Home

DCB FT-DSU/CSU Models FT-2DS and FT

Contents

1. 4 7 6 1 QRSS Menu The QRSS menu is used to perform QRSS Quasi Random Signal Sequence tests The QRSS test channel is selected by a bundle of designated DTE1 DTE2 DTE3 DTE4 D amp I idle or all 24 DSO channels The current selection is indicated by an OFF indicates QRSS test is off To change press ENTER to move the cursor to the lower line of the display Then move the cursor to the desired selection and press ENTER When QRSS is activated the lower line of the display shows the results of pattern synchronization test DTE channel and error count PATTERN gt QRSS 3 IN 24 1 IN 8 2 IN 8 1 1 OFF FULL DTE1 DTE2 D amp I IDLE If the received signal is not a QRSS pattern QRSS UNSYNC is shown in the lower left corner of the LCD display Otherwise QRSS SYNC is shown and a bit error count is displayed The QRSS test port is shown on the LCD display as well The User may use gt key to inject single bit error lt key to reset error counter and ESC key to quit QRSS testing 4 7 6 2 Test Pattern Menu The test pattern is used to transmit on all 24 channels to the T1 line Four test patterns 3 in 24 1 in 8 2 in 8 and 1 1 are available To select move the cursor to the desired pattern and press ENTER to move cursor to the lower line of the display To activate the pattern move the cursor to SEND and press ENTER To terminate press the ESC key PATTERN gt QRSS 3 IN 24 1 IN 8 2 IN 8 1 1 OFF SEND 37 4
2. Second line of the screen shows the type of the performance register set performance register frame format type line code type and line type of current report Line Availability To show the line availability enter A The information based on user performance register set includes the valid seconds available seconds unavailable seconds and the line availability Line Availability during Last 24 Hour 10 54 45 01 11 94 Valid seconds 86400 seconds Available Seconds 86400 seconds Unavailable Seconds 0 seconds Line Availability 100 0 lt lt Press ESC key to return to Main Menu gt gt System Setup To display the system configuration enter C A prompt asking for the type of report is shown at the bottom of the screen gt gt Select Type LOCAL STORED FAR END lt gt ENTER Use the cursor keys to select the desired configuration and press the Enter key to view the information DCB FT System Setup 10 55 45 01 11 94 DSO MAP ACTIVE MAP SWITCH CURRENT MAP MAP1 MAP1 111122222233444444ddiiii MAP2 111111111111ddddddddiiii SWITCH TIME MAP1 00 00 12 00 MAP2 12 00 00 00 LINE FRAME D4 CODE AMI LBO 0 0 YEL ON INBAND ON ADDR CSU IDLE FF D amp I FRAME D4 CODE AMI EQU 0 133 lt MAP1 gt 2 128K lt MAP2 gt 8 512K RATE lt MAP1 gt lt MAP2 gt CLOCK DATA INTERFACE RTS TTM TEl 64K 4 256K 12 768K NORMAL NORMAL RS449 ACTIVE OFF TE2 56K 6 336K 0 OK NORMAL NORMAL R
3. D amp I port loopback is illustrated in Figure 7 1 There are two types of D amp I loopback TO DTE and TO LINE The TO DTE loopback loops toward the D amp I port The TO LINE loopback loops toward the T1 netowrk interface This loopback is used to validate the system integrity of the D amp I facility Drop and Insert loopback test can be activated from the front panel or terminal as described in Section 4 7 and Section 5 12 Far End Loopback The far end loopbacks are remote line loopback remote payload loopback and remote channel loopback The remote facility utilizes inband coding and FDL Facility Data Link to initiate the loopback It is advised that remote loopbacks be used in conjunction with QRSS diagnostics test to measure the T1 network line quality The procedure is as follows 1 First send a remote loopback command to cause the remote facility to loop back some DSO channels 2 Then activate the QRSS diagnostics operation by QRSS command as in Section 7 5 2 The following paragraphs describe each type of remote loopback Remote Line Loopback Remote line loopback is illustrated in Figure 7 1 The remote line loopback is initiated by the remote equipment through inband signaling or ESF data link message with AT amp T or ANSI protocol Table 7 1 shows the inband remote line loopback code Table 7 3 shows the ANSI T1 403 ESF data link remote line loopback code Remote line loopback test can be activated from the front panel an
4. Email support dcbnet com 75 76 AIS AMI ANSI B8ZS CSU CTS D amp I GLOSSARY of TERMS A Alarm Indication Signal Alternate Mark Inverting American National Standards Institute B Bipolar 8 Zero Substitution C Channel Service Unit Clear to Send D Drop and Insert DACS Digital Access Cross Connect System DSR DSU DTE DTR ES ESF LAN LBO LLB LOFS LOS NI OOF PBX PLB PLL QRSS Data Set Ready Data Service Unit Data Terminal Equipment Data Terminal Ready E Errored Seconds Extended Super Frame L Local Area Network Line Build Out Line Loopback Loss of Frame Sync Loss of Signal N Network Interface O Out of Frame P Private Branch Exchanges Payload Loopback Phase Lock Loop Quasi Random Signal Sequence R RTC Real Time Clock RTS Request to Send S SNMP Simplified Network Management Protocol T TE Terminal Equipment TTM Terminal Timing Mode W WAN Wide Area Network 77
5. 07 59 ATDT 08 00 07 59 0 Minutes Default DCB DCB FT 01 Disable Disable Disable e Map the telco channels 1 24 to the desired port s Section 3 2 e Set the telco LINE parameters to match your phone line Section 3 3 e Set the D amp I port parameters if required Section 3 4 e Set the DTE port rate to match the telco line rate 56K x N or 64K x N where N 1 24 channels mapped to that port Section 3 5 e Set the DTE port interface to match the attached equipment RS 449 or V 35 Section 3 5 10 3 OPERATION This section describes DCB FT DSU CSU configuration options and operational functions Refer to Section 4 Front Panel Operation or Section 5 Supervisor Port for detailed procedures 3 1 3 1 1 3 1 2 System Operation Real Time Clock This product is equipped with a Real Time Clock The current date and time may be changed as necessary The clock battery has a 10 year life For detailed operation please refer to Section 4 10 or Section 5 17 Master Clock This product has a system clock Phase Lock Loop which may be locked to the T1 line clock Drop and Insert clock DTE clock internal clock external clock The T1 line clock Drop and Insert clock and internal clock are all 1 544 Mbps The DTE clock is either 56KxN or 64KxN bps N is 1 to 24 DS 0 channels The external clock rate can be 56KxN or 64KxN bps N is from 1 to 24 1 544 Mbps or 6 176 Mbps For detailed operation please refer to
6. 3 5 3 5 1 3 5 2 16 The Drop and Insert interface transmit equalizer can be programmed to 0 133 feet 133 266 feet 266 399 feet 399 533 feet or 533 655 feet The transmit signal at the distant end with 100 ohm termination meets the ANSI and AT amp T signal template requirements To set this option please refer to Section 4 3 3 or Section 5 16 DTE Configuration This product is equipped with 2 DTE ports and 2 optional DTE ports may be added at any time The system will recognize their existence automatically However all DTE ports must be configured individually for proper operation A detailed list of DTE port configuration options is in Table 3 4 The following paragraphs describe each item Table 3 4 DTE Port Default Setting 56K 64KxN N 1 24 64KxN NORMAL INVERTED NORMAL Rate The DTE ports can operate at 56KxN or 64KxN bps N is 1 to 24 Use the Rate command to select 56K or 64K Use DSO MAP command to select number of DSO channels For detailed operation please refer to Section4 4 1 or Section 5 16 for Rate command and Section 4 1 or Section 5 16 for DSO MAP command Clock Clock polarity of the DTE port is either normal or inverted and is used to drive the transmit data and to sample the receive data For detailed operation please refer to Section 4 4 2 or Section 5 16 3 5 3 3 9 4 3 5 5 3 5 6 3 6 3 6 1 Data Data polarity of a DTE port is either normal or inverted which
7. 40 alarms with time stamp DCB FT also has alarm history and alarm status registers which are used to track the alarm count Each alarm can be individually enabled or disabled When disabled no action is taken When enabled the alarm counter increments on the occurrence of the specific type of alarm When an alarm occurs or the counter threshold is exceeded the alarm is triggered 17 18 When an alarm is triggered a dial out or alarm relay is activated if enabled Otherwise no action is taken and only the specific alarm count is incremented Dial out is to dial out through modem to a remote terminal Alarm relay is connected to an external buzzer or flashing signal via the alarm relay connector as shown in Paragraph 6 1 5 Please refer to Section 5 13 for detailed operation When a threshold level is implemented it is based on the 15 minute alarm count register All alarms default to disabled dial out and alarm relay also default to disabled Both primary and secondary dial out strings are Hayes compatible AT dialing commands The DCB FT will send the following AT commands to initialize the modem when modem interface type is selected The user may add specific commands in the dialing string to suit their environment Auto answer SO 1 Ignore DTR signal amp DO Track carrier amp C1 Echo off EO Display result codes in verbose form V1 Return result code QO Wait time for carrier 45 sec S7 45 Save WO YO PADAR
8. D amp I SEND QRSS OFF LINE DTEl DTE2 D amp I IDLE SEND TEST PATTERN OFF 3 IN 24 1 IN 8 2 IN 8 1 1 Status lt lt Press ESC key to return to Main Menu gt gt To initiate QRSS test choose the test port and press Enter The status shows the result of the test continuously with the bit error count error seconds and elapsed seconds until the Esc key is pressed Status QRSS SYNC CHANNEL FULL BIT ERR 65535 ERROR SECONDS 20 ELAPSED SECONDS 139027 55 5 13 5 14 56 To transmit the test pattern continuously choose one of the 4 patterns and press Enter Press the Esc key to stop the test Status Transmitting 3 in 24 test pattern Alarm Setup Menu To enter the alarm setup menu enter M A prompt asking for the type of alarm setup menu is shown at the bottom of the screen gt gt Select Type LOCAL FAR END lt gt ENTER For each type of alarm three setup choices are available ALM is to set whether this alarm register counter is enabled or disabled DIAL and RELAY are to activate or deactivate the alarm reporting function When the alarm exceeds its threshold DIAL is to dial out from the supervisor port and RELAY is to engage the alarm relay Local Alarm Setup 11 48 48 01 11 94 ARROW KEYS CURSOR MOVE TAB ROLL UP ROLL DOWN TYPE THRESHOLD ALM RELAY DIAL TYPE THRESHOLD ALM RELAY DIAL MAST CLK LOSS DIS DIS DIS DTE2 ALARM EN EN DIS
9. DA15P Signal DA15S Transmit Tip Transmit Ground Receive Tip Receive Ground Transmit Ring Receive Ring ER Towne El Towne 66 71 7 2 7 3 TROUBLESHOOTING Self Test At system power up a complete self test routine is run to check all I O ports read write memory and data paths to validate system integrity During system self test SELF TEST is displayed on the upper line of the LCD display Also the software release version and date code are shown on the lower line of the display If any error is found FAIL is displayed in the upper right corner of the display and a dedicated error message is shown on the lower line Also the user may press ESC left arrow lt right arrow gt and ENTER in this order to read a specific error code If no error is found the display will show PASS in the upper right corner followed by a Main Menu as shown in Figure 4 2 Diagnostics A 20 bit Quasi Random Signal Sequence QRSS register is used by the DCB FT DSU CSU The QRSS test pattern is used to test the local DCB FT DSU CSU system integrity during local loopback testing It can also be used to measure the T1 line quality The diagnostics scenario is as follows 1 First send a remote loopback command to cause the remote facility to loopback DSO channels 2 Then activate the local QRSS diagnostics operation use the Test command to enable QRSS and choose tested DSO channel in a bundle of DTE1 DTE2 DTE3 DTE4 D a
10. IP 8 7 Stop Menu The stop menu shows the current stop bits setting To change stop bits move the cursor to the desired selection and press ENTER COMM gt BAUD DATA STOP PAR XON INTERF IP 1 2 u Parity Menu The parity menu shows the current parity setting To change data parity move the cursor to the desired selection and press ENTER COMM gt BAUD DATA STOP PAR XON INTERF IP NONE EVEN ODD XON Menu The XON menu shows the current XON XOFF flow control setting To change move the cursor to the desired selection and press ENTER COMM gt BAUD DATA STOP PAR XON INTERF IP OFF ON 41 4 9 6 4 9 7 42 Interface Menu The interface menu shows the current supervisor port interface type terminal modem or SNMP To change move the cursor to the desired option and press ENTER In modem mode a modem initialization routine is run to establish the connection The initialization routine must be run each time the modem is installed COMM gt BAUD DATA STOP PAR XON INTERF IP TERMINAL MODEM Select SNMP SLIP to enable the embedded SNMP agent operation COMM gt BAUD DATA STOP PAR XON INTERF IP TERMINAL MODEM SNMP SLIP IP Menu The IP menu allows the user to modify the device IP address and the IP address used by the SNMP trap message COMM gt BAUD DATA STOP PAR XON INTERF IP IP gt MY IP ADDR TRAP IP ADDR Each IP address can be modified by moving the cursor to each position and
11. Section 4 5 or Section 5 16 The default master and 2nd clock source are T1 line clock The default external clock frequency is 1 544 Mbps When the master clock source is lost the system will automatically switch to the 2nd clock source This is to provide an alternative clock source when the primary clock source is lost The current active clock source is shown by the LCD MCLK command and terminal S and C commands If a 2nd clock source is not necessary the user MUST select the 2nd clock source the same as the master clock source When the 2nd clock source is lost as well the FT DSU CSU will switch to internal clock source automatically The FT DSU CSU will automatically switch back to the 2nd clock source when it is resumed To switch the active clock source from the 2nd clock back to the master clock the user MUST toggle the master clock source selection on the front panel MCLK command or terminal S command and save the configuration 11 3 1 3 Supervisor Port The supervisor port allows the use of a VT 100 terminal directly or remotely connected via modem to configure the system and perform diagnostics poll status reports etc The serial port of the terminal must be set to match the settings of the supervisor port If necessary use the Front Panel to setup supervisor port to utilize local or remote terminal The supervisor port baud rate data bit length stop bit length parity bit length XON XOFF flow control and i
12. equipment such as PBXs Channel Banks and Multiplexers Data and video applications may include equipment such as video conferencing bridges routers gateways workstations host computers and various high speed data terminal equipment 2 INSTALLATION 2 1 Unpacking This product is shipped in a complete package which contains DCB FT DSU CSU and accessories such as user s manual and DB25 to V 35 or RS449 conversion cable Check the shipping material against Table 2 1 Shipping Material List Inspect the unit for any signs of damage Report any damage to the carrier and contact DCB or DCB s customer representative Retain all packaging material in case you need to move or ship the unit in the future Table 2 1 Shipping Material List DCB FT DSU CSU with 2 or 4 DTE ports 1 DA 15 to RJ 45 T 1 composite cable 1 User sManual Td 2 2 Site Selection The following list indicates a site selection guideline Follow this guideline to select a proper installation site The installation site should have a 115V AC power receptacle The maximum cable length is suggested as the following V 35 Cable 200 Feet RS 449 200 Feet RS 232 200 Feet The installation site should provide room for adequate ventilation and cable routing Reserve at least 5 inches at the rear of the unit for cables and air flow The site should provide a stable environment The operating area should be clean and free from extremes of temperature humi
13. is used as positive logic or negative logic For detailed operation please refer to Section 4 4 3 or Section 5 16 Interface DTE port interface can be either RS449 or V 35 A conversion cable is required for each DTE port The user must specify the proper interface type when ordering Conversion cables are illustrated in Section 6 To set this option please refer to Section 4 4 4 or Section 5 16 RTS DTE facility can use RTS Request To Send to control transmission When RTS is ACTIVE and OFF all ones are sent to the T1 line side on the DTE port associated DSO channels When RTS is PERMANENT the RTS signal is ignored To set this option please refer to Section 4 4 5 or Section 5 16 TTM Normally the DCB FT uses Transmit Clock to sample DTE Transmit Data In terminal timing mode the DTE facility uses Receive Clock to drive Transmit Data and loops this clock to the DCB FT via External Clock And the DCB FT will use External Clock to sample Transmit Data instead of using Transmit Clock This method is to avoid phase delay due to cable length In other words if the DTE cable is too long the transmit data may not in phase with the Transmit Clock With this feature the External Clock and Transmit Data will be in phase To set this option please refer to Section 4 4 6 or Section 5 16 Alarms and Reports Alarms The DCB FT has twenty types of alarms as listed in Table 3 5 Also DCB FT has an alarm queue which records the latest
14. the display The current selection is indicated by an To change move the cursor to the desired selection and press ENTER EDIT gt BPV LINE 10E 5 DI RELAY DI DIAL EN 5 6 7 8 9 EN or DI is to enable or disable the alarm error count RELAY EN or RELAY DI is to enable or disable the alarm relay when alarm occurs or the error count has exceeded the threshold level DIAL EN or DIAL DI is to enable or disable the dial out function when an alarm occurs or the error count exceeds the threshold level To change press ENTER to move the cursor to the lower line of the display then move the cursor to the desired function and press ENTER EDIT gt AIS D amp I EN RELAY DI DIAL EN DISABLE ENABLE Communication Menu The communication menu is used to configure the supervisor port data rate data bits stop bits parity bit XON XOFF control interface type and SNMP control Note The user MUST use the front panel to set up the supervisor port properly before connecting a terminal or modem Baud Menu The baud menu indicates the current supervisor port data rate by an To change the speed move the cursor to the desired selection and press ENTER COMM gt BAUD DATA STOP PAR XON INTERF IP 38400 19200 9600 2400 1200 4 9 2 4 9 3 4 9 4 4 9 5 Data Menu The data menu shows the current data bit selection To change move the cursor to the desired selection and press ENTER COMM gt BAUD DATA STOP PAR XON INTERF
15. the presence of equipment mis optioned for B8ZS Use of 2 in 8 pattern will confirm the circuit s ability to support error free transmission when B8ZS substitutions do not occur A framed 1 in 8 will contain 8 consecutive zeros around a zero frame bit causing a B8ZS substitution Framed 2 in 8 pattern sequence is as follows F 01000010 01000010 01 Left to Right F indicates frame bit 1 1 Pattern This framed 1 1 pattern tests AMI circuits It will cause false yellow alarms in D4 frame format mode Framed 1 1 pattern sequence is as follows F 10101010 1010101010 Left to Right F indicates frame bit WARRANTY All DCB products are warranted to be free of defects in materials and workmanship for one year Data Comm for Business Inc will repair or replace any equipment proven to be defective within the warranty period All warranty work is F O B Champaign IL This warranty is exclusive of abuse misuse accidental damage acts of God or consequential damages etc DCB liability shall not exceed the original purchase price All equipment returned for warranty repair must be accompanied by a Returned Material Authorization RMA number To receive an RMA number call 217 352 3207 between the hours of 8 AM and 5 PM central time Equipment must be shipped prepaid to DCB and will be returned at DCB s expense Data Comm for Business Inc 807 Pioneer Street Champaign IL 61820 Voice 217 352 3207 Fax 217 352 0350
16. with the cursor on the hour field Uses arrow keys to select the field to be changed and enter the correct information 22 17 02 05 05 93 CURSOR MOVE 0 99 INPUT Press the Esc key after making the necessary changes and confirm the changes with Y Input is checked for validation Invalid information is discarded and the original value is shown gt gt Save DATE amp TIME Setup Y or N Store Current Configuration Enter V to save the working configuration to the user stored configuration so that it can be retrieved using the R command The system will prompt with the following message Enter Y to store and N to quit gt gt Store Current Configuration Y N Send Active DSO Map to Far end Enter W to send the current active DSO map information to the far end Since the notification procedure is implemented in proprietary format only DCB FT product family would interpret the message correctly The unit has to be in ESF frame format mode to send the active DSO map to the far end An ACK or FAIL is displayed depending on whether the far end unit accepts the DSO map or not gt gt Send Active DSO MAP to Far end ACK Synchronize Far end System Time Enter N to synchronize the far end system time s minutes and seconds Due to the time zone difference the hour is not updated by this command Since the notification procedure is implemented in proprietary format only DCB FT product family would
17. 11011011 rotate left in 10 Hz for 5 0 5 sec 2 ESF and ESF amp T1 403 facility data link remote channel loopback code A proprietary protocol in the ESF facility data link is used to enable and disable remote DTE port to perform TO LINE loopback This loopback provides an unique way to isolate problems of a specific data path from T1 network line toward remote DTE port The remote channel loopback command uses ESF data link message The ESF data link message to activate request and response are in Table 7 4 and Table 7 5 and the data link message to deactivate request and response are listed in Table 7 6 and Table 7 7 Table 7 4 Remote Channel Loopback Activate Request Messages 5 28 DS0 DS23 0 no action 1 DTE1 activate loopback 2 DTE2 activate loopback 3 DTE3 activate loopback 4 DTE4 activate loopback 5 D amp I activate loopback 71 72 Table 7 5 Remote Channel Loopback Activate Response Messages 0 to 255 0000U000 Originate Unit Add A or Z or B or Y Target Unit Add A or Z or B or Y Current Status FU0000L0 NOTE F 1 if U or L 1 U 1 if an unavailable signal state exists L 1 if the PLB is activated O reserved Table 7 6 Remote Channel Loopback Deactivate Request Messages 5 28 DS0 DS23 0 no action 1 DTE1 activate loopback 2 DTE2 activate loopback 3 DTE3 activate loopback 4 DTE4 activate loopback 5 D amp I activate loopback 7 5 7 5 1 Table 7 7 Remote Channel Loopback Deacti
18. 25 20 Unassigned 12 22 Data Set Ready Return 29 24 External Clock 17 25 Test Mode 18 6 2 2 DTE RS 232 Conversion Cable DB 25P Signal DB 25S 2 Transmit Data 2 3 Receive Data 3 4 Request to Send 4 20 5 Clear to Send 5 6 Data Set Ready 6 7 Signal Ground 7 8 Data Carrier Detect 8 15 Transmit Clock 15 17 Receive Clock 17 9 10 12 13 14 16 19 22 Common to pin 7 63 6 2 3 DTE V 35 Conversion Cable DB 25P Signal Cable Shield Transmit Data Receive Data to DTE RTS Request to Send DSR Data Set Ready Signal Ground Data Carrier Detect Receive Clock Return 1 2 3 4 5 CTS Clear to Send 6 7 8 9 11 External Clock Return 12 Transmit Clock Return 14 Transmit Data Return 15 Transmit Clock 16 Receive Data Return 17 Receive Clock 20 Data Terminal Ready 24 External Clock 6 2 4 Supervisor Port Cables To a Terminal DE 9S DB 25P Non Nowner a To a PC Com Port DE 9S DE 9S DB 25S 1 4 or 20 2 3 or 2 3 2 or 3 4 1 or 8 5 5 or 7 64 M34S CHdHx OP Sexes oo Aw gt To a Modem DE 9S DB 25P 8 3 2 4 20 7 AUNE 6 2 5 Line Port to Telco RJ 48C Jack DA15S Signal RJ48C 1 Transmit Tip 4 2 Transmit Ground 3 Receive Tip 1 4 Receive Ground 9 Transmit Ring 5 11 Receive Ring 2 6 2 6 D amp I Port to Telco RJ 48C Jack DA15P Signal RJ48C 1 Transmit Tip 1 2 Transmit Ground 3 Receive Tip 4 4 Receive Ground 9 Transmit Ring 2 11 Receive Ring 5 6 2 7 D amp I Port to Line Port
19. 2nd page To return to main menu press the ESC key 5 10 5 11 5 12 Logoff After completing the system setup or clearing history data the user should log off to prevent accidentally changing the system configuration Enter F to logoff Logon To show a full menu the user must log on If the password option is enabled a prompt asking for the password is displayed gt gt Enter Password The full menu is shown only after a valid password is entered Otherwise the user is asked to enter the correct password again gt gt Invalid Input of Password Try Again y n Loopback Test Menu To enter the loopback test menu enter L To initiate the loop back test select the desired option and press the Enter key to start The loop back tests can be performed simultaneously on the T1 line DTE ports and D amp I port Information about the loop back test is shown at the bottom of the screen Loopback Test Menu 11 02 12 01 11 94 ARROW KEYS CURSOR MOVE ENTER SELECT NEAR END LOOPBACK OFF LOCAL PLB LLB DTE1 LOOPBACK OFF TO DTE TO LINE DTE2 LOOPBACK OFF TO DTE TO LINE D amp I LOOPBACK OFF TO DTE TO LINE SEND LOOPBACK ACTIVATE CODE TO FAR END IN BAND AT amp T P ANSI P ANSI L SEND LOOPBACK DEACTIVATE CODE TO FAR END IN BAND AT amp T P ANSI P ANSI L SEND CHANNEL LOOPBACK ACTIVE CODE TO FAR END ALL DTE1 DTE2 DTE3 DTE4 Del SEND CHANNEL LOOPBACK DEACTIVATE CODE TO FAR END ALL DTE1 DTE2 DTE3 DTE4
20. 8 4 8 1 4 8 2 38 Alarm Menu The alarm menu is used to view the alarm queue and alarm history to clear the alarm queue alarm history and alarm relay as well as to setup alarm threshold etc ALARM gt QUEUE HISTORY CLEAR SETUP QUEUE gt 1 2 3 45 6 7 8 9 10 Last 10 alarm Queue Menu The queue menu shows the alarm queue of the last 10 alarms To view any one of the alarms in the queue move the cursor to the number and the alarm status is shown on the lower line of the display In the following example the lower left corner is AIS D amp I The first part shows alarm type is AIS Alarm Indication Signal the second part shows where the alarm occurred is D amp I Drop and Insert port On the same line it shows time and date when the alarm took place QUEUE gt 1 234 567 8 9 10 Last 10 alarm AIS D amp I 18 22 34 03 02 93 History Menu ALARM gt QUEUE HISTORY CLEAR SETUP HISTROY gt NEXT PREVIOUS The history menu shows alarm history of various types of alarms as defined in Table 3 5 To view alarm history press ENTER to move to the following display Then move the cursor to NEXT or PREVIOUS and press ENTER to scroll to the next or previous alarm history In the following example MAST CLK LOSS indicates which alarm is selected OK shows the current status and 0 is the total error count HISTROY gt NEXT PREVIOUS MAST CLK LOSS OK 0 4 8 3 Clear Menu The clear menu is used to clear the ala
21. AAANA Inactivity timeout can be programmed by the S command as in Section 5 16 After an alarm message is sent the FT DSU CSU waits for the specified number seconds and then disconnects the modem If a new alarm is sent during that period the timeout counter is reset Inactivity timeout of 0 seconds will cause immediate disconnect of the modem after an alarm message is sent The alarm counter is updated every 15 minutes Alarm current status shows the current state of the associated alarm The BPV threshold level is a level of error rate of 10 to 10 Table 3 5 Alarm Type Table ALARM TYPE ALARM DESCRIPTION THRESHOLD MAST CLK LOSS YEL LINE LOF LINE BPV LINE ES LINE UAS LINE DTE1 ALARM DTE2 ALARM DTE4 ALARM YEL D amp I LOS D amp I BPV D amp I ES D amp I 3 6 2 Reports The DCB FT has four sets of performance registers These are line user D amp I and far end The line performance register tracks the line receiver performance status The user performance register tracks the line receiver as well but the user may clear this register at any time The D amp I performance register tracks the D amp I port receiver status The far end performance register tracks the far end receiver status The performance parameters are listed in Table 3 6 While the user performance register and D amp I performance register have two additional parameters One is a BPV register to count bipolar violations in both D4
22. B8ZS Format DCB FT DSU CSU connects to the network using a DA15 connector A DA15 to RJ48C conversion cable is included 111 If this equipment causes harm to the telephone network the telephone company will notify you in advance that temporary discontinuance of service may be required If advance notice isn t practical the telephone company will notify the customer as soon as possible Also you will be advised of your right to file a complaint with the FCC if you believe it is necessary The telephone company may make changes in it s facilities equipment operations or procedures that could affect the operation of the equipment If this happens the telephone company will provide advance notice in order for you to make the necessary modifications in order to maintain uninterrupted service Normally this equipment will be used in conjunction with FCC registered equipment that limits the Encoded Analog Content and provides the required Billing Protection If the connected equipment is not of this type an affidavit must be supplied to the telephone company where the network connection is to be made The affidavit is to be notarized and is to be filed at least ten days before the initial connection If trouble is experienced with this equipment please contact Data Comm for Business Inc 217 352 3207 or fax to 217 352 0350 for repair and warranty information If the trouble is causing harm to the telephone network the telephone comp
23. DOS DCB FT DSU CSU Models FT 2DS and FT 4DS USER S MANUAL t Champaign IL 61820 Rev Date August 5 1996 217 352 3207 FCC Requirements Part 15 This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at the user s own expense FCC Requirements Part 68 This equipment complies with Part 68 of the FCC rules On the top cover of this equipment is a label that contains among other information the FCC registration number and ringer equivalence number REN for this equipment If requested this information must be provided to the telephone company DCB FT DSU CSU registration number and REN is as follows FCC 68 Registration Number 5QGUSA 23519 DE N 0 0B 0 0B The service code is 6 0N The Facility Interface code is as follows 04DU9 B for lines using the Superframe Format 04DU9 C for lines using the Extended Superframe Format 04DU9 S for lines using the
24. Data Return 17 Receive Clock OUT 18 Local Loopback IN 19 Request to Send Return 22 DataSet Ready Return 24 External Clock IN 25 Test Mode OUT 6 1 2 Supervisor Port Interface DE 9P Pin Signal In Out 1 Data Carrier Detect IN 2 Receive Data IN 3 Transmit Data OUT 4 Data Terminal Ready OUT 5 Signal Ground 61 6 1 3 T1 Line Interface DA 15P Pin Signal In Out 1 Transmit Tip OUT 2 Transmit Ground 3 Receive Tip IN 4 Receive Ground 9 Transmit Ring OUT 11 Receive Ring IN 6 1 4 Drop amp Insert Interface DA 15S Pin Signal In Out 1 Transmit Tip IN 2 Transmit Ground 3 Receive Tip OUT 4 Receive Ground 9 Transmit Ring IN 11 Receive Ring OUT 6 1 5 Alarm Relay Connector Pin Signal Alarm Fuse Normally Closed Alarm Fuse Common Alarm Fuse Normally Open Alarm Relay Normally Closed Alarm Relay Common Alarm Relay Normally Open OD MH 0NAa 62 6 2 Cables 6 2 1 DTE RS 449 Conversion Cable DB 25P Signal DC37S 1 Cable Shield 1 2 Transmit Data 4 3 Receive Data to DTE 6 4 RTS Request to Send 7 5 CTS Clear to Send 9 6 DSR Data Set Ready 11 7 Signal Ground 19 8 Data Carrier Detect 13 9 Receive Clock Return 26 10 Data Carrier Detect Return 31 11 External Clock Return 35 12 Transmit Clock Return 23 13 Clear to Send Return 27 14 Transmit Data Return 22 15 Transmit Clock 5 16 Receive Data Return 24 17 Receive Clock 8 18 Local Loopback 10 19 Request to Send Return
25. ER Green Powered on and operational Flashing Green Software download in progress Red Self Test failure LINE Off No T1 line card exists Flashing Green A line side loopback is active Green T1 line frame synchronous Normal Amber Received yellow alarm from T1 line Flashing Amber Received AIS from T1 line Red Loss of Frame Sync LOFS or Loss of Signal LOS LOS DTE1 2 3 4 Off DTE port is not assigned any DSO channel Flashing Green DTE side loopback is active Green RTS is asserted to DTE port Red DTE port RTS loss or clock loss in TTM Flashing Green Remote loopback is active la Red Alarm Relay active D amp I Off D amp I port is not assigned any DSO channel Flashing Green A D amp I loopback is active Green D amp I frame synchronous Normal Amber Received yellow alarm from D amp I port Flashing Amber Received AIS from D amp I port Red Loss of Frame Sync LOFS or Loss of Signal SUPERVISOR PORT The DCB FT DSU CSU provides comprehensive report and enhanced configuration capability through the supervisor port A VT100 type terminal or a modem can be connected to the supervisor port on the back of unit Using single character commands and arrow keys the DCB FT can be configured and monitored The single character command is not case sensitive On each screen the available commands and the configurable fields are highlighted Alarm messages are also sent to the supervisor port and are shown on the top of the screen in blinki
26. ON 7 TROUBLESHOOTING 2ssr2002000000000002000002200000200000000000000000 67 SECTION 8 WARRANTY sss ccssscsescstcscssasscasssnnscsecssnccdedsasinsetsenssvsscantssedsasicsevinnses 75 SECTION 9 GLOSSARY innen 77 1 1 1 2 PRODUCT DESCRIPTION Description DCBFT is a family of intelligent Fractional T1 Data Service Unit and Channel Service Unit DSU CSU products as shown in Table 1 1 This product family provides DS 1 network interface DSO channel multiplexing D amp I Drop and Insert functionality and direct connections to voice data and video DTE Data Terminal Equipment as well as T1 channel bank and PBX Private Branch Exchanges Table 1 1 DCB FT Product Family Network Interface Drop and Insert SNMP DTE Ports DCB FT DSU CSU is equipped with local and remote console capability through an RS232 interface SNMP Simplified Network Management Protocol Proxy Agent software that resides on a PC DOS platform is available to access the DCB FT DSU CSU from the SNMP Manager Applications FT DSU CSU applications include e LAN Local Area Network to WAN Wide Area Network communications e Host to workstation communications e Video conferencing e Integrated voice and data communication or PBX Private Branch Exchanges This allows the user to integrate different applications into a single communication link and utilize only part of available bandwidth or all 24 DSO channels Voice applications may include
27. Report Line Availability DCB FT System Setup DCB FT Description ESF Error Count Alarm History DCB FT Status Alarm Queue Log Off SETUP and CLEAR amp RESET menu Log On SETUP and CLEAR amp RESET menu Command SETUP gt Loopback Test Alarm Setup Password Setup Retrieve Last Stored Configuration System Setup Change Date and Time Store Current Configuration Send Active DSO MAP to Far end Synchronize Far end System Time amp RESET Reset Alarm Relay Clear Alarms Clear ESF Error Count Clear Performance Data System Reset NKXQU Z X lt HODUEPE Figure 5 2 Terminal Main Menu 2 5 1 One Hour Performance Report To show 1 hour performance report enter 1 A prompt asking for the type of report is shown at the bottom of the screen Four choices are available gt gt Select Register Type USER LINE D amp I FAR END lt gt ENTER Note Far end operation is only accessible in ESF frame format mode Use the cursor keys to select the desired type of report and press the Enter key to view the report as shown below 1 Hour Performance Report 10 52 45 01 11 94 USER D4 AMI DS 1 Valid Seconds in Current 15 Min Interval ES UAS 103 seconds BES SES CSS LOFC Current 15 Min Interval 0 lst Nearest 15 Min Interval 0 2nd Nearest 15 Min Interval 0 3rd Nearest 15 Min Interval 0 4th Nearest 15 Min Interval 0 0 Valid 15 Min Intervals in Current 24 Hou
28. S449 ACTIVE OFF TE3 64K 2 128K 0 OK NORMAL NORMAL RS449 ACTIVE OFF TE4 64K 6 384K 0 OK NORMAL NORMAL RS449 ACTIVE OFF MAST CLOCK LINE 2nd CLK LINE EXT FREQ 1 544Mbps CURRENT MAST CLOCK RS 232 PORT BAUD 9600 DATA 8 STOP 1 PAR NONE XON XOFF OFF INTERF TERMINAL DIAL OUT SETUP PRIMARY DIALSTRING ATDT19085551212 START TIME 08 00 STOP TIME 07 59 SECONDARY DIALSTRING ATDT19085551234 START TIME 08 00 STOP TIME 07 59 INACTIVITY TIMEOUT 0 MINUTES DEVICE NAME DCB FT 01 MY IP ADDRESS 192 009 200 010 COMMUNITY NAME public TRAP IP ADDRESST255 253 253 253 lt lt Press ESC key to return to Main Menu gt gt 51 5 5 5 6 52 System Description To display the system description enter D A prompt asking for the type of system description is displayed at the bottom of the screen gt gt Select Type LOCAL FAR END lt gt ENTER Use the cursor keys to select the desired information and press the Enter key to view the data DCB FT Description 10 56 45 01 11 94 LOCAL Port Configuration DTE12 D amp I DS1 Serial Number 2031157 Main Board Version 1 0 ROM Version DCB Version 1 3 10 30 93 lt lt Press ESC key to return to Main Menu gt gt ESF Error Count To show the ESF error count enter E A prompt asking for the type of report is displayed at the bottom of the screen gt gt Select Register Type USER LINE D amp I FAR END lt gt ENTER Use
29. YEL LINE EN EN EN DTE3 ALARM EN EN EN AIS LINE EN EN EN DTE4 ALARM EN EN EN LOS LINE EN EN EN YEL DS EN EN EN LOF LINE EN EN EN AIS D amp EN EN EN BPV LINE EN EN EN LOS D amp EN EN EN ES LINE EN EN EN LOF D amp EN EN EN UAS LINE EN EN BPV D amp EN EN EN CS LINE EN EN ES D amp I EN EN EN DTE1 ALARM EN EN UAS D amp EN EN EN lt lt Press ESC key to return to Main Menu gt gt Password Setup Menu To change the password setup enter P A prompt asking for the desired action is shown To enable the password select ENABLE The previously entered password is used The password itself is not case sensitive If you want to select your own password select CHANGE Prompts asking for the original password and new password are shown Enter CURRENT Password Enter NEW Password Re Enter NEW Password 5 15 Retrieve Last Stored Configuration In case configuration changes cause some unexpected effects enter R to restore the user stored configuration The system will prompt the following message Enter Y to retrieve and N to quit gt gt Retrieve Last Stored Configuration Y N 5 16 System Setup Menu Enter S to show the system configuration A prompt asking for the type of system setup menu may appear at the bottom of the screen gt gt Select Type LOCAL FAR END lt gt ENTER The cursor keys are used to select the field to be changed As the cursor moves from field to fie
30. ailable in ESF frame format The DCB FT DSU CSU will send the active DSO maps to the remote side when the SWITCH command is set and when switch time expires If the remote side doesn t respond the local DCB FT DSU CSU alerts a fail message All unused channels are idle An idle code is transmitted on those unused channels For detailed operation please refer to Section 4 1 or Section 5 16 The default active map is MAP1 The default DSO channel assignment of both MAP1 and MAP2 are idle channel The default switch time is MAP1 00 00 to 12 00 and MAP2 12 00 to 00 00 NOTE For DS1 network interface with B8ZS coding or all DTE ports with 56KxN bps all 24 channels are available for DSO multiplexing configuration NOTE For DS1 network interface with AMI coding and DTE ports with 64KxN bps only alternate odd or even DSO channels should be used This is required to guarantee one s density requirement DS1 Network Line Configuration A detailed option list of T1 line configuration is in Table 3 2 The following paragraphs describe each item Table 3 2 T1 Line Default Settings Frame Format Mode D4 ESF ESF amp T1 403 Line Code Mode AMI B8ZS AMI Line Build Out 0 7 5 15 dB Line Equalizer 0 133 133 266 266 399 399 533 0 133 feet 533 655 feet 13 3 3 1 3 3 2 3 3 3 3 3 4 3 3 5 3 3 6 14 Frame Format Mode This equipment can be used in T1 D4 and ESF frame format DS1 network interface In ESF
31. and ESF modes The other is ESF to track framing and CRC errors in ESF frame format mode only Each performance parameter has 96 sets of register to record 24 hours history in 15 minute intervals 19 Table 3 6 Performance Report List Definition T1 D4 Definition ESF ES Error Second BPV gt 1 OOF gt 1 or CS21 CRC6 ERROR gt 1 OOF gt 1 or CS gt 1 Bursty Error Second 1 lt BPV lt 1544 1 lt CRC 6 lt 320 Severe Error Second BPV gt 1544 or OOF gt 1 CRC6 gt 320 or OOF gt 1 Controlled Slip Second OOF Out of Frame 2 frame bit error in 6 2 frame bit error in 6 o O a ee ee ESF CRC6 Error or not used always 0 CRC6 error or OOF Out Of Frame 3 6 3 Requesting Report In both T1 D4 and ESF frame format mode the performance report can be accessed from a local terminal directly or from remote terminal via modem Please refer to Section 5 1 or 5 2 for detailed operation Also in ESF mode the performance report can be accessed via data link The user will choose either AT amp T or ANSI T1 403 data link operation in the DS1 network line interface configuration as described in Section 3 3 AT amp T TR 54016 should be referred to as how the performance report request message and response message are structured ANSI T1 403 should be referred to as how the one second performance report message is structured The DCB FT supports both AT amp T TR 54016 and ANSI T1 403 performance report messages To set this opt
32. and are available from DCB or its representative The DTE port interface is defined in Section 6 The BNC connector is for external clock input The external clock signal should be TTL level with 32 ppm accuracy and 40 to 60 duty cycle The supervisor port is configured as DTE with a DE 9P connector It complies with the RS232 standard It can be connected to a local terminal or remote terminal via modem Connector pin definition is in Section 6 The 6 pin connector is for an external alarm such as a buzzer or flashing light Connector pin definition is in Section 6 2 4 2 4 1 2 4 2 2 4 3 Configuration Hardware All configurations are software programmable There are no internal modifications required Software There are three sets of software configuration e Factory default configuration e User stored configuration e Working configuration The factory default configuration is not changeable The equipment is shipped with all three configurations the same as the factory default configuration The current working configuration may be changed at any time Also the current working configuration may be saved into a non volatile memory as the user stored configuration The stored configuration may be retrieved at any time to reset the current working configuration Please refer to Section 4 and Section 5 for details The system memorizes the current working configuration When the system is powered off and on again the previ
33. any may request you remove the equipment from the network until the problem is resolved All repairs should be handled by authorized Data Comm for Business service personnel This equipment cannot be used on telephone company provided coin service Connection to Party Line Service is subject to state tariffs iv Safety Requirements CAUTION e Never install telephone wiring during a lightning storm e Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations e Never touch bare telephone wires or terminals unless the telephone line has been disconnected at the network interface e Use caution when installing or modifying telephone lines Refer to the installation section in this manual for a safe and proper installation procedures All wiring external to this equipment should follow the current provision of the National Electrical Code National Electrical Code Requirements The DCB FT DSU CSU including this equipment is ETL certified and is in compliance with UL 1459 TABLE OF CONTENTS SECTION 1 PRODUCT DESCRIPTION cccssscsssssossssescscssscssssessscssssoes 3 SECTION 2 INSTALLATION 00h 5 SECTION 3 OPERATION ss 11 SECTION 4 FRONT PANEL OPERATION AND INDICATORS 25 SECTION 5 SUPERVISOR PORT ccsscsssssssssssssssssessssssecssssesescssssssesees 47 SECTION 6 INTERFACE SIGNALS AND CABLING c ccccssssssssssssseeees 61 SECTI
34. ck state is shown by an To change first press ENTER to move cursor to the lower line of the display Then select OFF to end the loopback test LOCAL to start local loopback test PLB to start payload loopback test and LLB to start line loopback test TEST gt DTE D amp I RemDTE NearLB RemLB PATTERN OFF LOCAL PLB LLB 35 4 7 5 4 7 6 36 RemLB Menu The RemLB menu is used to activate T1 line remote loopback tests There are three remote loopback types inband AT amp T 54016 and T1 403 Press ENTER to move to the lower layer menu TEST gt DTE D amp I RemDTE NearLB RemLB PATTERN RemLB gt ACTIVATE DEACTIVATE To activate remote T1 line loopback first move cursor to ACTIVATE Then press ENTER to move cursor to the lower line of the display and select the desired loopback operation IN BAND for remote line loopback inband coding AT amp T P for remote payload loopback AT amp T FDL coding ANSI P for remote payload loopback ANSI FDL coding or ANSI L for remote line loopback ANSI FDL coding To deactivate remote DTE loopback move the cursor to DEACTIVATE and do the same as above RemLB gt ACTIVATE DEACTIVATE IN BAND AT amp T P ANSI P ANSI L Pattern Menu The pattern menu is used to perform QRSS diagnostics and select a variety of test patterns Move the cursor to PATTERN and press ENTER to move to the lower layer menu TEST gt DTE D amp I RemDTE NearLB RemLB PATTERN PATTERN gt ORSS 3 IN 24 1 IN 8 2 IN 8 1 1
35. d terminal as described in Section 4 7 and Section 5 12 69 Table 7 1 In band Control Codewords 10000 receive 5 0 5 second 100 receive 5 0 5 second 7 4 2 Remote Payload Loopback 70 Remote payload loopback is illustrated in Figure 7 1 The remote payload loopback is initiated by the remote equipment through ESF data link message with AT amp T or ANSI protocol Table 7 2 shows the AT amp T ESF T1 403 ESF data link remote payload loopback code Remote payload loopback test can be activated from the front panel and terminal as described in Section 4 7 and Section 5 12 Table 7 2 AT amp T ESF Data Link Codewords ESF DL SX 25 Reugest Message 1 ESF DL SX 25 Request Message 2 Table 7 3 ANSI T1 403 Bit Oriented ESF Data Link Codewords 0 000111 011111111 repeat at least 10 times 0 011100 011111111 repeat at least 10 times 0 001010 011111111 repeat at least 10 times 0 011001 011111111 repeat at least 10 times 7 4 3 Remote Channel Loopback Remote channel loopback is illustrated in Figure 7 1 The remote channel loopback is initiated by the local equipment through following methods 1 In band remote channel loopback code In band activate and deactivate codes are used to enable and disable DTE to a TO LINE loopback This loopback provides an unique way to isolate problems of a specific data path from T1 network line toward remote DTE Activate code 11110111 rotate left in 10 Hz for 5 0 5 sec Deactivate code
36. dity shock and vibration Relatively humidity should stay between 0 and 95 2 3 Physical Installation 2 3 1 Mechanical The DCB FT DSU CSU can be installed as a desk top unit or mounted in a 19 inch or a 23 inch rack The 19 inch and 23 inch rackmount is shown in Figure 3 e DcB O Cia Ck a 3_ B 8 Fractional T 1 DSU CSU e 0000009 E lojoooooooo o 5 a DCB O CA Cink 7 y a D Fractional T 1 DSU CSU o EN o Y oo 00000 O Figure 2 1 DCB FT DSU CSU Rack Mount View 2 3 2 Electrical AC 90 230V ALARM FUSE RELAY gupv PORT EXT CLOCK 123 456 N H HHHH lo Figure 2 2 DCB FT 4DS Backplane Figure 2 2 shows the rear panel of DCB FT 4DS DSU CSU The right portion is a plug in board containing a T1 line and D amp I interface labeled LINE and D amp I respectively The T1 Line side is a male DA 15 connector and the D amp I side is a female DA 15 connector Connector pins are defined in Section 6 The center portion or the rear panel has the built in DTE1 and DTE2 ports Above it is a plug in board containing optional DTE3 and DTE4 ports The ports are configured as DCE devices with DB 25 connector One DB 25 to V 35 or DB 25 to RS 449 conversion cable is required for proper application These conversion cables are illustrated in Section 6
37. e SEND command Active Menu The active menu shows the current active MAP MAP1 MAP2 or SWITCH by an To change the MAP simply move the cursor to the proper MAP or SWITCH and press ENTER While SWITCH is selected the current active map is shown inside the brackets DSO MAP gt ACTIVE MAP1 MAP2 SWITCH SEND MAP1 MAP2 SWITCH lt MAP1 gt The switch function uses a proprietary ESF data link message and is only available in ESF and ESF amp T1 403 frame format mode Otherwise an error message ERROR 2 will be displayed If the far end facility acknowledges this command an ACK will be shown on the LCD display Otherwise a FAIL message is displayed MAP1 2 Menu DSO MAP gt ACTIVE MAP1 MAP2 SWITCH SEND The MAP1 menu shows the current assigned ports for each DSO channel To change the designated port press the ENTER key to a lower layer menu as follows CH 01 IDLE DTE 1 2 3 4 D amp I 12 768 In the MAP1 menu i indicates idle The numbers 1 2 3 and 4 indicate corresponding DTE port number and d indicates D amp I port In the above example right top corner CH 01 shows the current cursor designated DSO channel number is 01 And right lower corner 12 768K indicates there are 12 idle channels corresponding to 768 Kbps of total 1536 Kbps bandwidth To change a specific DSO channel port assignment move cursor to a specific DSO channel which is indicated by the cursor Press ENTER the cursor will m
38. e the cursor to the desired selection and press ENTER D amp I gt FRAME CODE EQU 0 133 133 266 266 399 399 533 533 655 DTEn Menu The DTEn menu is used to configure DTE port operation Data rate clock mode data mode interface type RTS mode and TTM Terminal Timing Mode can be configured Rate Menu The rate menu indicates the current DTE data rate as either 64KxN or 56KxN bps by an To change the data rate move the cursor to the desired selection and press ENTER DTEn gt RATE CLK DATA INTERF RTS TTM 64KxN 56KxN Clock Menu The clock menu indicates the current DTE clock polarity is either normal or inverted by an To change the clock polarity move the cursor to the desired selection and press ENTER DTEn gt RATE CLK DATA INTERF RTS TTM NORMAL INVERTED 31 4 4 3 4 4 4 4 4 5 4 4 6 32 Data Menu The data menu shows the current DTE data polarity as either normal or inverted To change the data polarity move the cursor to the desired selection and press ENTER DTEn gt RATE CLK DATA INTERF RTS TTM NORMAL INVERTED Interface Menu The interface menu shows the current DTE interface type is either RS449 or V 35 To change the interface type move the cursor to the desired selection and press ENTER DTEn gt RATE CLK DATA I NTERF RTS TTM RS449 V 35 RTS Menu The RTS menu shows the current DTE RTS operation mode as either active or permanent To change the RTS operation
39. eration requires an address of either CSU Channel Service Unit or TE Terminal Equipment identification For detailed operation please refer to Section 4 2 6 or Section 5 16 3 3 7 3 4 3 4 1 3 4 2 Idle Code Any DSO channel which is not assigned to a DTE port or the D amp I port is an idle channel An idle code is transmitted on idle DSO channels The user may program the idle channel to any bit pattern from 00H to FFh For detailed operation please refer to Section 4 2 7 or Section 5 16 NOTE Due to the one s density requirement it is advised that the idle code to be set to FFh Otherwise the user must set the idle code to contain at least two 1 bits The factory default idle code is FFh Drop and Insert Configuration A detailed option list of T1 Drop and Insert configuration is in Table 3 3 The following paragraphs describe each item Table 3 3 Drop and Insert Default Setting Frame Format Mode D4 ESF Line Code Mode AMI B8ZS Equalizer 0 133 133 266 266 399 399 533 0 133 feet 533 655 feet Frame Format Mode The Drop and Insert interface can be used in T1 D4 and ESF frame format To set this option please refer to Section 4 3 1 or Section 5 16 Line Code Mode The Drop and Insert interface can be used in AMI Alternate Mark Inverting and B8ZS Bipolar 8 Zero Substitution line code format For detailed operation please refer to Section 4 3 2 or Section 5 16 15 3 4 3 Equalizer
40. es and their meaning MISC gt ERROR_CODE PERFRORMANCE STATUS ERROR_CODE gt 1 2 3 45 6 7 8 9 10 11 ERROR CODE gt 1 23 45 6789 10 ERRO1 A loopback is in effect 4 12 2 Performance Menu The performance menu shows the total performance registers of user group and resets the registers MISC gt ERROR_CODE PERFRORMANCE STATUS PERF gt USER RESET User performance registers are shown and updated every second USER gt ES UAS BES SES CS LOFC BPV 0 1 0 0 0 0 0 Select reset menu to reset user performance registers Enter YES to confirm the action PERF gt USER RESET Clear Performance Data YES 44 4 12 3 Status Menu The status menu shows the line and D amp I status STATUS gt LINE D amp I Show Line Status The status is shown and updates every second An marks the status The following example shows Loss of Signal is detected LINE gt LOS LOF RED YEL AIS BPV 45 4 13 Indicators 46 The front panel has 9 LEDs for operation and error indications Four DTE LEDs are for DTE1 DTE2 DTE3 and DTE4 port D amp I is for T1 Drop and Insert port LINE is for DS1 network line port RLB is for Remote Loopback indication POWER is for system power indication ACO is for Alarm Cut Off indication Each LED has three colors green amber and red The indication is either off steady on or flashing Table 4 1 lists each LED and its color state and meaning Table 4 1 Front Panel LED Table POW
41. frame format mode the user can choose either AT amp T or ANSI facility data link protocol To set this option please refer to Section 4 2 1 or Section 5 16 ESF amp T1 403 chooses ANSI ESF data link protocol and one second performance report will be sent to the network automatically Also ANSI and AT amp T data link message is acceptable in ANSI ESF frame format mode However AT amp T ESF frame format mode will only accept AT amp T ESF data link protocol Line Code Mode This equipment can be used in AMI Alternate Mark Inverting and B8ZS Bipolar 8 Zero Substitution line code format For detailed operation please refer to Section 4 2 2 or Section 5 16 Line Build Out The T1 line long haul transmit LBO can be programmed to either 0 dB 7 5 dB or 15 dB relative to DSX 1 For detailed operation please refer to Section 4 2 3 or Section 5 16 Yellow Alarm DCB FT DSU CSU transmits yellow alarm when LOS Loss of Signal AIS Alarm Indication Signal or OOF Out of Frame is detected for 2 5 0 5 seconds The user can disable this feature using the disable yellow alarm command For detailed operation please refer to Section 4 2 4 or Section 5 16 Inband Signaling In T1 D4 framing format and ESF both AT amp T and ANSI data link protocol an inband loopback code recognition is used to activate remote loopback operation For detailed operation please refer to Section 4 2 5 or Section 5 16 Address In T1 ESF framing format TABS op
42. g direction 4 7 2 D amp I Menu 4 7 3 4 7 4 The D amp I menu is used to perform D amp I loopback tests The current loopback test state is shown by an To change first press ENTER to move the cursor to the lower line of the display Then select OFF to end the loopback test TO DTE to loop the incoming data back to the D amp I facility or TO LINE to loop the outgoing data back to the incoming direction TEST gt DTE D amp I RemDTE NearLB RemLB PATTERN OFF TO DTE TO LINE Remote DTE Menu The RemDTE menu is used to control remote DTE channel loopback Press ENTER to move to the lower layer menu TEST gt DTE D amp I RemDTE NearLB RemLB PATTERN RemDTE gt ACTIVATE DEACTIVATE To activate remote DTE channel loopback first move cursor to ACTIVATE Then press ENTER to move cursor to the lower line of the display and select the desired port for remote loopback operation To deactivate remote DTE loopback first move the cursor to DEACTIVATE and do the same as above This RemDTE test uses a proprietary message If the remote facility responds to this command a LOOPED message will be shown in the lower left corner of the LCD display Otherwise a NOLOOP message will be displayed RemDTE gt ACTIVATE DEACTIVATE ALL DTE1 DTE2 DTE3 DTE4 D amp I NearLB Menu The NearLB menu is used to control near end T1 line side loopback operation for local payload or line loopback tests The current near end T1 line side loopba
43. interpret the message correctly An ACK is shown if the far end acknowledges this command otherwise a FAIL is shown gt gt Synchronize Far end System Time ACK 5 21 5 22 5 23 5 24 5 25 Reset Alarm Relay Enter B to reset the ACO LED and the alarm relay Clear Alarms Enter U to clear alarm history and queues Clear ESF Error Count Enter X to reset user and D amp I ESF error counter The ESF error count start time is reset Clear Performance Data Enter Y to reset user and D amp I performance registers This command does not affect the contents of the performance register set System Reset Enter Z to reset the system without powering down the unit Upon receiving this command the system will restart from the init routine and perform all power up diagnostics procedures The system will prompt with the following message and the user must enter a valid password to execute this command gt gt Enter Password 59 60 6 INTERFACE SIGNALS AND CABLING 6 1 Port Interface 6 1 1 DTE Port Interface DB 25S Pin Signal In Out 1 Cable Shield 2 Transmit Data IN 3 Receive Data OUT 4 Request to Send IN 5 Clear to Send OUT 6 Data Set Ready OUT 7 Signal Ground 8 Data Carrier Detect OUT 9 Receive Clock Return 10 Data Carrier Detect Return 11 External Clock Return 12 Transmit Clock Return 13 Clear to Send Return 14 Transmit Data Return 15 Transmit Clock OUT 16 Receive
44. ion please refer to Section 4 2 1 or Section 5 16 20 3 7 Bantam Jacks Figure 3 1 shows the block diagram of the bantam jack It is used to monitor and isolate fault on the D amp I port to detect and isolate D amp I facility malfunction Break and Test Jacks NET IN Insert signal toward T1 network NET OUT _ Receive signal from T1 network EQU IN Insert signal toward D amp I equipment EQU OUT Receive signal from D amp I equipment Monitor Jacks NET MON Monitor T1 network signal EQU MON Monitor D amp I equipment signal Equipment 4 OUT E G PBX 3 IN 2 OUT NET 1 y 7 Line y 7 D amp I Hal 7 i Framer Framer Figure 3 1 Bantam Jack Block Diagram 21 3 8 Error Messages The DCB FT provides various error messages on the LCD display to indicate an abnormal condition as listed in Table 3 8 Table 3 8 Error Messages ERROR CODE ERROR DESCRIPTION 3 9 Embedded SNMP Agent The embedded SNMP agent for the DCB FT offers standard RFC 1213 MIB II and RFC 1406 DS1 MIB as well as DCB s enterprise MIB The Network manager can use any SNMP compatible network management system such as SunConnect s SunNetManager and Hewlett Packard s HP OpenView to monitor and control the DCB FT This enables the user to integrate WAN equipment management with LAN SNMP network management systems The embedded SNMP agent also includes Telnet implementation to allow a user to access the DCB FT terminal interface from any works
45. ld the second line on the screen shows the available input for the field After making all the changes press the Esc key and answer yes to make the changes take effect Local System Setup 10 45 26 01 11 94 DSO MAP ACTIVE MAP MAP1 CH 02 MAP 1 idd111122222233444444iii MAP 2 idddddddd111111111111iii SWITCH TIME MAP1 00 00 12 00 MAP2 12 00 00 00 LINE FRAME D4 CODE AMI LBO 0 0 YEL ON INBAND ON ADDR CSU IDLE FF D amp I FRAME D4 CODE AMI EQU 0 133 lt MAP1 gt 2 128K lt MAP2 gt 8 512K RATE lt MAP1 gt lt MAP2 gt CLOCK DATA INTERFACE RTS TTM DTE1 64K 4 256K 12 768K NORMAL NORMAL RS449 ACTIVE OFF DTE2 64K 6 384K 0 OK NORMAL NORMAL RS449 ACTIVE OFF DTE3 56K Ze ITAK 0 OK NORMAL NORMAL RS449 ACTIVE OFF DTE4 64K 6 384K 0 OK NORMAL NORMAL RS449 ACTIVE OFF MAST CLOCK INTERN 2nd CLOCK LINE EXT FREO 1 544Mbps CURRENT MAST CLOCK RS 232 PORT BAUD 9600 DATA 8 STOP 1 PAR NONE XON XOFF OFF INTERF TERMINAL DIAL OUT SETUP PRIMARY DIALSTRING ATDT 32 char START TIME 08 00 STOP TIME 07 59 SECONDARY DIALSTRING ATDT 32 char START TIME 08 00 STOP TIME 07 59 INACTIVITY TIMEOUT 000 MINUTES DEVICE NAME DCB FT 01 20 char MY IP ADDRESS 192 009 200 010 COMMUNITY NAME public 12 char TRAP IP ADDRESS 255 255 255 255 lt lt Press ESC key to return to Main Menu gt gt 57 5 17 5 18 5 19 5 20 58 Change Date and Time Enter T to change system date and time The date and time are shown
46. mode move the cursor to the desired selection and press ENTER DTEn gt RATE CLK DATA INTERF RTS TTM ACTIVE PERMANENT TTM Menu The TTM menu shows the current DTE terminal timing mode as either OFF or ON To change the terminal timing mode move the cursor to the desired selection and press ENTER DTEn gt RATE CLK DATA INTERF RTS TTM OFF ON 4 5 4 5 1 4 5 2 4 6 4 6 1 Master Clock Menu The master clock menu is used to configure the master clock source external clock source and clock rate Master and Second Clock Menu The master clock menu shows the current clock source is line internal D amp I external or one of the DTE ports To change the selection move the cursor to the desired selection and press ENTER The upper right corner shows the current active clock is M CLK or 2 CLK MCLK gt MAST CLK 2nd CLK EXTERN FRQ lt 2 CLK gt LINE INTN D amp I EXTN DTE 1 2 3 4 External Clock Menu The external clock menu shows the current external clock rate at the lower left corner of the display is 56KxN or 64KxN bps N is 1 to 24 1 544 Mbps or 6 176 Mbps To change the external clock rate move the cursor to ROLL UP or ROLL DN and press the ENTER key one step at a time This operation must be concluded by selecting YES and pressing ENTER to enable the changes MCLK gt MAST CLK 2nd CLK EXTERN FRQ lt 2 CLK gt 1 544MBPS ROLL UP ROLL DN YES Configuration Menu The configuration menu is
47. mp I or all 24 channels 3 When the QRSS pattern sync is found a bit error counter tracks total bit errors It is advised to send QRSS for more than 15 minutes to evaluate the quality of loop condition and facility reliability In both front panel and terminal operation the user may utilize the gt key to inject a single error the lt key to reset the error counter and the ESC key to terminate the test The user may also read a performance report to see what type of errors occurred Near End Loopbacks The near end loopbacks are local loopback line loopback payload loopback DTE port loopback and D amp I port loopback They are activated from the local DCB FT and are at the near end facility The following paragraphs describe each loopback in detail 67 7 3 1 Local Loopback Local loopback is illustrated in Figure 7 1 The outgoing signal is looped back through the T1 PCM transceiver All 24 DSO channels are looped back to the receiver path This loopback test is activated by the Test command This loopback test can be used with the QRSS diagnostic test pattern to validate the local DCB FT DSU CSU s integrity An Alarm Indication Signal AIS is sent to the network during local loopback test Local loopback test can be activated from the front panel or terminal as described in Section 4 7 and Section 5 12 DTE Interfaces T1 Line Interface DTE Port V 35 RS 449 lt D amp I Port lt Loopback Remote Payload Loo
48. ng mode The main menu is displayed upon power up Note On the upper right corner of the screen a time of day display indicates the time the current screen was shown The user may press any key other than ESC to update the display DCB FT CSU DSU V1 5 i 10 50 45 01 11 94 DISPLAY SETUP 1 1 Hour Perf Report 2 24 Hour Perf Report A Line Availability Cc DCB FT System Setup D DCB FT Description E ESF Error Count H Alarm History I Q F DCB FT Status Alarm Queue CLEAR amp RESET Log Off SETUP and CLEAR amp RESET menu Oo Log On SETUP and CLEAR RESET menu gt gt Enter Command Figure 5 1 Terminal Main Menu 1 If the terminal screen is illegible press Enter key and Esc key alternately to bring out the main menu If all efforts fail check if the right cable is used and if the supervisor port parameter setting is matched with the terminal using the front panel COMM command See Section 4 9 47 48 The main menu consists of four groups of commands Display Access Setup and Clear amp Reset Initially only Display and Access commands are available To enable Setup and Clear commands the user has to log on using the O command DCB FT E DISPLAY gt gt gt gt gt gt gt gt gt ACCESS gt PNR c D E H I Q F o gt gt gt Enter SU DSU V1 5 Main Menu 10 51 45 01 11 94 Hour Perf Report 24 Hour Perf
49. nterface options are shown in Table 3 1 For detailed operation please refer to Section 5 Table 3 1 Supervisor Port Settings Baud Rate 1200 2400 9600 19200 38400 bps 9600 Data Bits 8 7_ 8 Stop Bits 3 1 4 Menu Lock and Password 3 1 5 12 LCD front panel terminal as well as SNMP operations are used to read alarms system configurations and system status Also these operations may be used to change system configurations and clear alarm queue etc However if LCD menu lock password or SNMP lock is enabled only read operations are allowed The user may not change system configurations or clear performance data To control LCD menu lock password and SNMP lock please refer to Section 4 11 or Section 5 14 The default option of menu lock and password is disabled The default terminal access password is DCB The default SNMP lock is disabled Configuration Current configurations may be saved into a non volatile memory This allows user to retrieve the last stored configuration For detailed operation please refer to Section 4 1 4 6 or Section 5 16 5 18 3 2 3 3 DSO Channel Map DSO channel multiplexing is done by the DSO MAP command From 1 to 24 DSO channels can be assigned to any one of the DTE or Drop and Insert ports Two maps are available to keep different DSO channel assignments A SWITCH command is available to automatically switch between MAP1 and MAP2 ata scheduled time This mode is only av
50. ont panel operation utilizes a two by forty 2 X 40 characters LCD display window and four keypads labeled ESC ENTER left arrow lt and right arrow gt as shown in Figure 4 1 The ENTER key is to enable a selection while the left and right arrow keys move the cursor left or right for proper selection The ESC key returns operation to the next higher menu The main menu is shown in Figure 4 2 It is the first menu displayed after power up NOTE Notice that the ENTER key must be used to confirm a change Where YES is shown at the lower right corner it must be selected to enable a change DCB tI E Fractional T 1 DSU CSU oJ oooooo000 Figure 4 1 DCB FT DSU CSU Front Panel The main menu consists twelve different functions as described in the following paragraphs To select one of the functions use left and right arrow keys to move the cursor to the function and then press the ENTER key lt lt DSO MAP LINE D amp I DTE1 DTE2 MCLK CONF TEST ALARM COMM DATE LOCK MISC gt gt lt lt DSO MAP LINE D amp I DTE 1 2 3 4 MCLK CONF TEST ALARM COMM DATE LOCK MISC gt gt Figure 4 2 LCD Main Menu 25 4 1 4 1 1 4 1 2 26 DSO Map Menu The DS0 Map menu is used to configure DSO channel assignment for the DTE and D amp I ports It is also used to program MAP1 and MAP2 as well as to enable the SWITCH function DSO channel assignment can be sent to the remote end using th
51. or to ROLL UP or ROLL DN to roll up or roll down the idle code Press ENTER to select the desired idle code which is shown in the lower left corner of the display This operation must be concluded by selecting YES and pressing ENTER to enable the changes 29 4 3 4 3 1 4 3 2 30 Note Due to the one s density requirement it is advised that the idle code to be set to FFh Also the user must program the idle code to contain at least two 1 bits The factory default is FFh LINE gt FRAME CODE LBO YEL INBAND ADDR IDLE FF ROLL UP ROLL DN YES D amp I Menu The D amp I menu is used to configure the Drop and Insert port frame format line code and transmission equalizer modes Frame Format Menu The frame format menu shows the current frame format preceded by an To change the frame format move the cursor to the desired selection and press ENTER D amp I gt FRAME CODE EQU D4 ESF Line Code Menu The line code menu shows the current coding scheme preceded by an To select the coding scheme move the cursor to the desired selection and press ENTER D amp I gt FRAME CODE EQU AMI B8ZS 4 3 3 4 4 4 4 1 4 4 2 Equalizer Menu The equalizer menu indicates the current transmission equalizer by an Five distance ranges are provided from 133 to 655 feet as shown in the lower line of display The below display shows that the current selection is 0 to 133 feet To change the equalizer mov
52. ous working configuration is retrieved as the current working configuration To restore factory default configuration press the ESC key during power up and then press ENTER key while the LCD displays SELF TEST If the operation is successful the LCD will show LOAD DEFAULT CONFIGURATION Default Settings Supervisor Port Default Baud Rate 9600 Data Bits 8 Stop Bits 1 Parity Bit NONE XON XOFF OFF Interface TERMINAL SNMP OFF T1 Line Frame Format Mode Line Code Mode Line Build Out Yellow Alarm Inband Signaling TABS Address Idle Code Drop and Insert Port Frame Format Mode Line Code Mode Equalizer DTE Port Rate Clock Data Interface RTS TTM Active Map MAP1 MAP2 Switch MAP1 MAP2 Clock Master Clock 2nd Clock External Clock Rate Default Default D4 AMI 0 133 feet Default 64KxN NORMAL NORMAL RS449 ACTIVE OFF Default all idle all idle 00 00 12 00 12 00 00 00 Default Line Clock Line Clock 1 544 Mbps 2 5 Alarm Threshold Alarm Enable Alarm Relay Alarm Dial out BPV Line and D amp I ES Line UAS Line CS Line ES D amp I UAS D amp I Dial Out Primary Dial String Start Time Stop Time Secondary Dial String Start Time Stop Time Inactivity Timeout Misc Password Device Name LCD menu lock Password lock SNMP lock Configuration Checklist Default Disable Disable Disable 10 5 1 Rap Default ATDT 08 00
53. ove to 4 1 3 4 1 4 the lower line of the display The selected port is indicated by an To change the port assignment move the cursor to the desired port and press ENTER The Cursor will return to the upper line and the LCD will show the channel number and bandwidth associated with the designated port Switch Menu DSO MAP gt ACTIVE MAP1 MAP2 SWITCH SEND SWITCH gt MAP1 23 00 12 00 MAP2 12 00 23 00 The switch menu shows the current MAP1 and MAP2 schedule as in the above display In this case MAP1 is scheduled start at 23 00 and end at 12 00 and MAP2 is scheduled start at 12 00 and end at 23 00 To change the schedule press the ENTER key to a lower layer menu as follows SWITCH gt MAP1 23 00 12 00 MAP2 12 00 23 00 H U D M U D H U D M U D YES In the above display U indicates up D indicates down H indicates hour and M indicates minute To change the START time of MAP1 move the cursor to the left H and M then select U to increase or D to decrease the START time To change the END time of MAP1 move cursor to the right H and M and do the same Notice that MAP2 START and END times are changed concurrently with the END and START times of MAP1 This operation must be concluded by selecting YES and pressing ENTER to enable the changes Send Menu Selecting send and pressing ENTER will send the current working DSO map information to the far end This will overwrite the current far end working DSO ma
54. p The send function uses a proprietary ESF data link message and is only available in ESF and ESF amp T1 403 frame format mode Otherwise an error message ERROR 2 is displayed If the far end facility acknowledges this command an ACK is shown on the LCD display Otherwise a FAIL message is displayed DSO MAP gt ACTIVE MAP1 MAP2 SWITCH SEND Send active ds0 map to far end 27 4 2 4 2 1 4 2 2 4 2 3 28 Line Menu The line menu is used to configure the T1 line parameters such as frame format line code Line Build Out LBO yellow alarm transmission when LOF and LOS inband loopback code recognition FDL address code and transmission idle code Frame Format Menu The following display shows that D4 frame format is selected as indicated by an To change the frame type move the cursor to the desired selection and press ENTER ESF amp T1 403 indicates ESF frame format is chosen and the facility data link message follows ANSI T1 403 standard While ESF indicates ESF frame format is chosen and the facility data link follows AT amp T PUB 54016 standard LINE gt FRAME CODE LBO YEL INBAND ADDR IDLE D4 ESF ESF T1 403 Code Format Menu The code format menu shows the current coding scheme by an preceding AMI or B8ZS To select the coding scheme move the cursor to the desired selection and press ENTER LINE gt FRAME CODE LBO YEL INBAND ADDR IDLE AMI B8ZS Line Build Out Menu The Line Build Ou
55. pback Remote Channel Loopback Remote Line Loopback PLB Payload Loopback LLB Line Loopback Figure 7 1 Loopback Block Diagram 7 3 2 Line Loopback Line loopback is illustrated in Figure 7 1 The incoming T1 line signal is looped back to the outgoing T1 signal before the T1 transceiver framer This loopback is used to isolate the local equipment from a troubled T1 transmission line Line loopback test can be activated from the front panel or terminal as described in Section 4 7 and Section 5 12 7 3 3 Payload Loopback 68 Payload loopback is illustrated in Figure 7 1 The incoming signal is looped back to the outgoing T1 signal after the T1 transceiver framer This loopback is used to isolate the DTE ports and D amp I port from the troubled T1 transmission line Payload loopback test can be activated from the front panel or terminal as described in Section 4 7 and Section 5 12 7 3 4 7 3 5 7 4 7 4 1 DTE Port Loopback DTE port loopback is illustrated in Figure 7 1 There are two types of DTE loopback TO DTE and TO LINE The TO DTE loopback loops toward the DTE port The TO LINE loopback loops toward the T1 network interface This loopback is used to validate the system integrity of the DTE facility DTE loopback tests can be activated from the front panel or terminal as described in Section 4 7 and Section 5 12 While in TO DTE loopback all ones are sent to the T1 network line on DTE associated DSO channels D amp I Port Loopback
56. r Interval 96 ES UAS BES SES CSS LOFC Current 24 Hour Interval 0 0 0 0 0 0 0 0 0 0 0 lt lt Press ESC key to return to Main Menu gt gt Second line of the screen shows the type of the performance register set frame format type line code type and line type of current report 49 Twenty Four Hour Performance Report To show the 24 hour performance report enter 2 A prompt asking for the type of report and performance data is shown at the bottom of the screen gt gt Select Register Type USER LINE D amp I FAR END lt gt ENTER gt gt Select Perf Para ES UAS BES SES CS LOFC lt gt ENTER Use the cursor keys to select the desired type of report and press the Enter key to view the report as shown below 24 Hour Performance Report 10 53 45 01 11 94 USER ES D4 AMI DS 1 Valid Seconds in Current 15 Min Interval 105 seconds ES UAS BES SES CSS LOFC Current 15 Min Interval 0 0 0 0 0 0 Valid 15 Min Intervals in Current 24 Hour Interval 96 ES UAS BES SES CSS LOFC Current 24 Hour Interval 0 0 0 0 0 0 USER ES Last 96 15 Min Interval 01 08 0 0 0 09 16 17 24 25 32 33 40 41 48 49 56 57 64 65 72 73 80 81 88 89 96 v VVVVVVV MNNM N ao o en ea o e DE cn e Di ce oooooooo000o0 YOV ODO OO o OOD OO ODO O oo ooooooooo0000 ooooooooo00o000 DO ODO DD 1 OOO OOO Oo lt lt Press ESC key to return to Main Menu gt gt
57. rm queue and history To clear press ENTER Otherwise press ESC and exit without any action ALARM gt QUEUE HISTORY CLEAR SETUP ALARMS 4 8 4 Setup Menu ALARM gt QUEUE HISTORY CLEAR SETUP SETUP gt NEXT PREVIOUS EDIT The setup menu is used to set up alarm relay and auto dial out functions To do so press ENTER to move to the following display Move the cursor to NEXT or PREVIOUS and press ENTER to view each alarm type To edit threshold level alarm relay and dial out functions move the cursor to EDIT and press ENTER SETUP gt NEXT PREVIOUS EDIT MAST CLK LOSS EN RELAY EN DIAL EN 4 8 4 1 Edit Menu The edit menu is used to set up the threshold level of each alarm type as listed in Table 3 5 and to enable the alarm relay and auto dial out function Some alarms do not have a threshold level To change the threshold level of ES UAS and CS move the cursor to the threshold level 001 in the following display and press ENTER Then move the cursor to U to increase and D to decrease the corresponding 100 10 and 1 digits The threshold level count is updated each time ENTER is pressed This operation must be concluded by selecting YES and pressing ENTER to enable the changes EDIT gt UAS D amp I 001 EN RELAY EN DIAL EN 100 U D 10 U D 1 U D YES 39 4 9 4 9 1 40 To change threshold level of BPV move the cursor to the threshold column and press ENTER to move the cursor to the lower line of
58. selecting a number After making all changes select YES to save the changes IP gt MY IP ADDR TRAP IP ADDR My IP Address 192 009 200 010 My IP Address 192 009 200 010 0123456789 4 10 4 11 Date Menu The date menu shows the current date and time Use U to increase and D to decrease the corresponding M for month D for day Y for year H for hour M for minute and S for second This operation must be concluded by selecting YES and pressing ENTER to enable the changes M U D D U D Y U D H U D M U D S U D YES Lock Menu The lock menu is used to control LCD panel operation Normally the front panel provides configuration change capability This capability can be disabled by selecting lock menu to disable the front panel With the front panel locked the user can still view the configuration and line status information LOCK gt front panel and password DISABLE ENABLE To disable the front panel operation lock the user must enter the password correctly Use left or right to pick the character There are 66 characters to choose from Password modification can only be done using a terminal from the supervisor port Enter Password YES 0123456789 ABCDEFGHIJKLMNOPORSTUVWXYZI S Enter Password S amp lt gt 1 _ 1 43 4 12 Miscellaneous Menu 4 12 1 Error Code Menu The error code menu shows error codes and their description as in the following example Table 3 8 lists error cod
59. t LBO menu shows the current transmission LBO is 0 7 5 or 15 dB by an To change the LBO move the cursor to the desired selection and press ENTER LINE gt FRAME CODE LBO YEL INBAND ADDR IDLE 0 0 7 5 15 4 2 4 Yellow Menu 4 2 5 4 2 6 4 2 7 The yellow menu shows the current yellow alarm transmission state when loss of signal and loss of frame synchronous is detected The current selection is indicated by an To enable yellow alarm being automatically sent out upon loss of signal and loss of frame sync move the cursor to ON and press ENTER To disable transmission move the cursor to OFF and press ENTER LINE gt FRAME CODE LBO YEL INBAND ADDR IDLE ON OFF Inband Menu The inband menu shows the remote inband loopback diagnostics code recognition The current selection is indicated by an To enable move the cursor to ON and press ENTER To disable move the cursor to OFF and press ENTER LINE gt FRAME CODE LBO YEL INBAND ADDR IDLE ON OFF Address Menu The address menu shows the current DCB FT address in FDL is CSU or TE when ESF frame format mode is selected The current selection is indicated by an To change move the cursor to the desired option and press ENTER LINE gt FRAME CODE LBO YEL INBAND ADDR IDLE CSU TE Idle Menu The idle menu shows the transmission idle code when a DSO channel is in idle mode To change the idle code press ENTER to the lower line Then move the curs
60. t Type LOCAL FAR END lt gt ENTER Use the cursor keys to select a desired location and press the Enter key to view the information DCB FT Status Display 10 58 46 01 11 94 LOCAL LINE D amp I LOS No LOS LOF No LOF RCV AIS No RCV AIS RCV YEL No RCV YEL XMT AIS No XMT AIS XMT YEL YES XMT YEL BPV ERROR COUNT BPV ERROR COUNT 0 ES ERROR COUNT ES ERROR COUNT 0 gt DTEn TEST DTE1 RTS LOSS PATTERN TRANSMITTED OFF DTE2 RTS LOSS ORSS CHANNEL OFF DTE3 RTS LOSS NEAR END LOOPBACK OFF DTE4 RTS LOSS 5 DTE1 LOOPBACK TO DTE DTE1 CLOCK LOSS DTE2 LOOPBACK OFF DTE2 CLOCK LOSS DTE3 LOOPBACK TO LINE DTE3 CLOCK LOSS DTE4 LOOPBACK OFE DTE4 CLOCK LOSS D amp I LOOPBACK TO LINE lt lt Press ESC key to return to Main Menu gt gt In the example the DTE1 port is looping back DTE port signal to DTE the DTE3 and D amp I ports are looping back the incoming PCM signal to the line Yellow alarm is sending out to the line Alarm Queue To display the alarm queue enter Q Alarm Queue 10359312 01 11 94 lst nearest alarm LOS D amp I 08 13 22 04 29 93 2nd nearest alarm AIS LINE 11 37 31 04 28 93 lt lt Press ESC key to return to Main Menu gt gt The last 40 alarm entries are shown on the terminal as above in two pages of 20 entries each If there are more than 20 entries press any key other than ESC to view the
61. tation on the network WorkStation Workstation Network Management System SLIP Async port Terminal Server Ethernet Fig 3 2 22 The DCB FT uses the supervisor port to provide the embedded SNMP agent functionality Typically a workstation can be configured to run SLIP protocol on its async ports Before SNMP is enabled make sure the IP address for DCB FT is configured correctly and the communication parameters match the Terminal server port To set the IP address please refer to Section 4 9 7 or Section 5 16 To enable SNMP agent please refer to Section 4 9 6 or Section 5 16 Once the SNMP agent is activated the user can verify whether the DCB FT is running successfully by using the ping command to check if DCB FT is responding or not ping 192 1 100 45 192 1 100 45 is alive Please refer to each respective SNMP manager operation instruction to incorporate the DCB enterprise MIB into the system Telnet capability comes with the embedded SNMP agent Once the SNMP agent is running the user can use telnet and a VT100 terminal to access the DCB FT command screen The most popular Telnet utility in the public domain is provided by NCSA It can maintain several telnet connections simultaneously It is recommended to set the COM port at the highest speed to produce a smoother display of data on the terminal The DCB FT can run reliably at 38 4 Kbps 23 24 4 FRONT PANEL OPERATION AND INDICATORS The fr
62. the cursor keys to select the desired information and press the Enter key to view the data ESF Error Count 10 57 07 01 11 94 USER Start Time 15 30 58 04 25 93 ESF Errors 10 lt lt Press ESC key to return to Main Menu gt gt Alarm History To show the alarm history enter H A prompt asking for the type of alarm history is displayed at the bottom of the screen gt gt Select Type LOCAL FAR END lt gt ENTER Use the cursor keys to select a desired location and press the Enter key to view the data as shown below larm History Report 10 56 38 01 11 94 L Start Time 10 50 51 10 27 93 ALARM TYPE THRESHOLD CUR STA COUNT ALARM RELAY DIALOUT CLK LOSS ENABLE ENABLE ENAB NE ENABLE ENABLE ENAB NE ENABLE ENABLE ENAB NE ENABLE ENABLE ENAB NE ENABLE ENABLE ENAB ENABLE ENABLE ENAB ENABLE ENABLE ENAB ENABLE ENABLE ENAB ENABLE ENABLE ENAB ENABLE ENABLE ENAB ENABLE ENABLE ENAB ENABLE ENABLE ENAB ENABLE ENABLE ENAB ENABLE ENABLE ENAB ENABLE ENABLE ENAB ENABLE ENABLE ENAB ENABLE ENABLE ENAB ENABLE ENABLE ENAB ENABLE ENABLE ENAB ENABLE ENABLE ENAB 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 lt lt Press ESC key to return to Main Menu gt gt 53 5 8 5 9 54 System Status To display the DCB FT status enter I A prompt asking for the type of system status report is displayed at the bottom of the screen gt gt Selec
63. used to store and retrieve system configurations Store Menu The store menu is used to store the current working configuration into the user stored configuration by pressing ENTER CONF gt STORE RETRIEVE Store current configuration 33 4 6 2 Retrieve Menu 4 7 4 7 1 34 The retrieve menu is used to retrieve the user stored configuration to the current working configuration by pressing the ENTER key CONF gt STORE RETRIEVE Retrieve last stored configuration Note When the user stored configuration is retrieved all loopback tests will be terminated and the alarm queue and alarm history are reset Test Menu The test menu is used to perform DTE port Drop and Insert port remote DTE port and local or remote T1 line loopback tests QRSS test and test pattern selections are also available If a remote loopback is in session the front panel RLB LED is flashing green DTE Menu TEST gt DTE D amp I RemDTE NearLB RemLB PATTERN DTE gt DTEl DTE2 The DTE menu is used to perform DTE loopback tests To initiate a DTE loopback test move the cursor to DTE and press ENTER DTE gt DTE1 DTE2 OFF TO DTE TO LINE The current loopback state of the DTE port is indicated by an To change first press ENTER to move the cursor to the lower line of the display Then select OFF to end the loopback test TO DTE to loop the DTE incoming data back to the DTE port or TO LINE to loop the outgoing data back to the incomin
64. vate Response Messages 0 to 255 0000U000 Originate Unit Add A or Z or B or Y Target Unit Add A or Z or B or Y Current Status FU0000L0 NOTE F 1 if U or L 1 U 1 if an unavailable signal state exists L 1 if the PLB is activated O reserved Test Pattern Four test patterns are available to determine faults such as deficient clock recovery faulty ALBO level recovery inadequate jitter margin presence of bridge taps and mis optioned network interface These four patterns are framed patterns with proper D4 or ESF frame pattern as described in the following paragraphs 3 in 24 Pattern This framed 3 in 24 pattern is aligned with the frame bit so as not to transmit a false yellow alarm It tests the consecutive zeros requirement and is useful to test AMI circuits Framed 3 in 24 pattern sequence is as follows F 01000100 00000000 00000100 01000 Left to Right F indicates frame bit 73 7 5 2 7 5 3 7 5 4 74 1 in 8 Pattern This framed 1 in 8 pattern tests the ability of a circuit to support a pattern having the minimum ones density It is useful to reveal a timing recovery problem The bit set to one must be set to bit 2 to avoid a false yellow alarm Framed 1 in 8 pattern sequence is as follows F 01000000 01000000 0100 Left to Right F indicates frame bit 2 in 8 Pattern This framed 2 in 8 pattern in conjunction with the 1 in 8 Pattern is useful when performing tests to reveal

Download Pdf Manuals

Related Search

Related Contents

Panasonic WV-Q200  LG 19LE5300 19" HD-Ready Black LED TV  取扱説明書  Regione Siciliana AZIENDA UNITA` SANITARIA LOCALE N.8  User manual  Pioneer DVR-550HX-S User's Manual  1 - Panasonic Canada  Z30591A - Lidl Service Website  Cables Direct RJ-45  TAFCO WINDOWS NU2-255S-I Installation Guide  

Copyright © All rights reserved. Failed to retrieve file