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Verilink QUAD T1 User Manual

1. Fl g B H Y EXT TIMING ALARM DSX 1 DS 1 won y y y En SEO Q INPUT NO COM NC 4 3 2 L E E H fy CET TIMNG ALARM y N S au RES l INPUT NO COMNC 4 3 2 J El El yy j y J 2 pn EXT TIMING ALARM DSX 1 u N a 22 amp y De D O F O KL INPUT NO COM NC 4 3 2 Verilink QUAD T1 User Manual 1 5 Overview 1 6 Verilink QUAD T1 User Manual u Chapter 2 Quick Set Up This chapter describes an example configuration and a step by step procedure to configure it It is unlikely that this configuration will match yours exactly Use this chapter as a guide to the process of installing a QUAD T1 module Example Configuration For this example configuration the following assumptions are made That the hardware configuration is an MLS shelf with An SCM managing the node in slot 1 A QUAD DATA module in slot 2 A QUAD T1 module in slot 3 with a CIM 3003 A QUAD T1 module in slot 4 with a CIM 3064 An IMUX module in slot 5 An M1 3 module in slot 6 That the circuits to be built are From port 1 of the QUAD DATA module to port 1 of the first QUAD T1 module slot 3 for a video codec application at a rate of 1 536 Mbit s From port 3 of the QUAD T1 module to T1 number 6 of the M1 3 module connecting a local PBX to a remote site using one T1 of a T3 circuit From the data port of the IMUX module to all
2. Menu Option Description Instructions TC The slot number of the application module which will be At the prompt type the slot the tertiary third clock source for this shelf If both the number of the module primary and secondary clock sources fail this module will selected as the third clock provide the clock signal used to drive the transmit clock source circuitry for all of the cards in the shelf which use T1 rate clocks TS Clock source within the module selected for the TC Select from the list of ports option available on the module TA Enables or disables fallback to tertiary clock source after a Set to Yes if the node is to failed condition has cleared If disabled the SCM never revert to a timing source reverts to the tertiary clock source until an operator which failed but is now OK changes this option X Returns to the T1 Port Configuration Menu Exits the Timing Menu Verilink QUAD T1 User Manual 3 9 Configuration 3 10 Verilink QUAD T1 User Manual u Chapter 4 Performance This chapter describes the functions available under the Performance Menu of the QUAD T1 module Performance Menu To access the Performance Menu of the QUAD T1 module type P while atthe SCM Main Menu with the QUAD T1 module selected The Performance Menu gives current status information on five possible alarm states as well as giving access to anumber of submenus with information that is stored in
3. It will fail immediately if any portion of a BBZST1 is accidentally mis configured for AMI Not a valid test on an AMI T1 8 55 OCTET Not supported 9 ALL 1 S A framed pattern of all ones this causes maximum current on the T1 because a pulse is sent each bit time All ones is useful for finding marginal repeaters This maximum density test should be run on every T1 circuit during the installation process 10 2N11 1 2 in 10 to the 11th power minus one a low density test pattern 11 USER1 Not supported X exit this menu Exits to the Main Menu Verilink QUAD T1 User Manual 5 3 Diagnostics and Alarms Figure 5 2 QUAD T1 Loopbacks Line Loop DTE DTE Payload Loop DTE DTE AIS gt D Ee EE DE O EN Troubleshooting Table 5 2 provides information for troubleshooting a T1 during the installation process or in response to trouble reports after a circuit is placed into service 5 4 Verilink QUAD T1 User Manual Diagnostics and Alarms Table 5 2 Troubleshooting Tips Trouble Suggestion CRC errors and BPVs reported on a new installation When a T1 presents symptoms of CRC errors and BPVs with no other alarms it often is traced to problems with wiring inside the customer premise When the smart jack is a considerable distance from the QUAD T1 module over 50 feet there is the risk that the high leve
4. Overview Compatible Modules Management Options Related Verilink Documents Components Front Module 1 2 Circuits can be built from any port of the QUAD T1 module to any port on a QUAD DATA IMUX or M1 3 module When the Inverse Multiplexer IMUX is used multiple T1 ports can be mapped to the same IMUX data port up to a total of 8 T1s on two QUAD T1 modules The QUAD T1 module is a single component of an AS3000 node Each AS3000 node must contain an SCM module as the node controller Management of the QUAD T1 module is done through the SCM The SCM provides the management interface to one or more of the following A PC running the Verilink Node Manager application Any computer running an SNMP management program A terminal accessing the Craft ASCII terminal interface For basic information on Verilink AS3000 shelves power supplies and physical installation seethe manual AS3000 The Basics For information on the SCM system controller module and Circuit Build functions see the SCM User Manual For information on the M1 3 DS3 module see the M1 3 User Manual For information on the QUAD DATA module see the QUAD DATA User Manual For information on the IMUX module see the IMUX User Manual A complete QUAD T1 installation consists of the QUAD T1 front module and one of three rear connector modules The rear connector module is always installed first When removing modules the front modul
5. from an outage QUAD T1 CONFIGURATION MENU TIMING OPTIONS R receive clock from shelf yes Current shelf timing source card 6 network primary Source Slot Number Primary PC 6 Secondary SC 3 Tertiary TC 4 X exit this menu Synchronization Auto Restore PS network PA yes SS net 1 SA yes TS net 1 TA yes A 0 0 0 2 1 3 QUAD T1 gt Configure Slot 4 8 This completes the port configuration for this module Exit to the Main Menu by typing X twice Use the S command to select shelf 1 slot 4 the other QUAD T1 module Type C to access the Configuration Menu See Figure 2 5 NOTE The line build out field is available for all four ports on this module and n a is shown for equalization This is because this module has been fitted with a CIM 3064 rear connector module which provides 4 DS 1 ports Verilink QUAD T1 User Manual 2 5 Quick Set Up Figure 2 5 Configuration Menu for Slot 4 QUAD T1 CONFIGURATION MENU X exit this menu A 0 0 0 2 1 4 Port 1 Port 2 Port 3 Port 4 In in service no no no no Fn frame format ESF ESF ESF ESF Ln line coding B8ZS B8ZS B8ZS B8ZS Bn line build out 0db Odb 0db 0db En equalization n a n a n a n a NDn network density none none none none NLn network initiated loop no no no no An alarm declare time sec 0 0 0 0 DLn FDL enable no no no no PRM enable yes yes yes yes Rn enable inband FDL no no no no Sn trun
6. 16 17 18 19 20 21 22 23 24 bus AUT S setup X exit A 0 0 0 2 1 4 QUAD T1 gt 3 Use the N command to change the name of the circuit to MUX T12 4 Type DP to change the destination port Use 1 4 again to continue using the second QUAD T1 module but select port 2 at the port selection prompt 5 Type DM and use 1 24 to select all 24 timeslots 6 Sincethe name and destination port have been changed the original circuit has been cloned Use S to setup the circuit 7 Use X to return to the Circuit Manager Menu then repeat steps 1 through 6 with these changes a For the next circuit use IMUX_T13 for the revised name and select port 3 of the QUAD T1 module in shelf 1 slot 4 b For the last circuit use IMUX_T14 for the revised name and select port 4 of the QUAD T1 module in shelf 1 slot 4 Summary Onceall four circuits are built from the second QUAD T1 module to the IMUX module the list of circuits shown at the top of the Circuit Manager Menu should appear as in Figure 2 12 NOTE Only the first six circuits in the SCM database are shown when the Circuit Manager Menu is displayed To see additional circuits use the N next page command Verilink QUAD T1 User Manual 2 11 Quick Set Up Figure 2 12 Circuit Manager Menu with All Circuits Page 1 Total 7 circuit Name Type codecl perm PBX_M13 perm MUX_T11 perm MUX_T12 perm MUX_T13 perm A add circuit
7. AS3000 product line This chapter presents an overview with illustrations of front and rear modules Chapter 2 Quick Set Up presents a sample configuration procedure as a guide to configuring the QUAD T1 module Chapter 3 Configuration presents a detailed listing of all configuration options Chapter 4 Performance describes the Performance Menu functions Chapter 5 Diagnostics and Alarms details the Diagnostics Menu functions In typical use circuits are built from the four ports of the QUAD T1 module across the midplane of an AS3000 shelf to a network or data port on another AS3000 module The ports of the QUAD T1 module can be network DS 1 or equipment DSX 1 ports depending on the rear connector module CIM selected Circuits can also be built from any port on a QUAD T1 module to any other port on the same module allowing it to connect local DSX 1 equipment to a T1 circuit NOTE The QUAD DATA and IMUX modules will be included in AS3000 Release 1 1 expected during Q3 1999 The QUAD T1 module contains four full featured T1 Channel Service Units CSUs Each of the 4 CSUs may be independently placed in or out of service Each may be optioned differently or the same as any other Both Extended Superframe ESF and Superframe SF framing are supported as well as both Alternating Mark Inversion AMI and Binary Eight Zero Substitution B8ZS line coding Verilink QUAD T1 User Manual 1 1
8. Options eneen rk 1 2 Related Verilink Documents ss 1 2 Components a Di here a ME RE EN An er ER 1 2 Front Module mb ini 1 2 QUIE SU en NE EN IT eenn oan DT T 2 1 Example Configuration sise 2 1 Example Illustrations sise 2 1 BOGEN na enen derij Bednet aandeed dread nne gta 2 3 Confidure POLES nme yee a Aa ae aa a dan 2 3 Bulla CirGuits ternet an nee 2 6 Additional Information u a enge 2 12 CONF GUEAEONS neen rene ade ea 3 1 Craft Interface u ee HI 3 1 Terminal Set 21548000 ie ees 3 1 Log N zere eem O TOO 3 2 Configuration Mera A en 3 4 FDL Configuration ci id etende 3 6 ER aal ate BE EN 3 7 Performancer ix natte ted Aen ner deed 4 1 Performance Menu nennen ei etend ed 4 1 T1 24 Hour Performance sise 4 2 I hreshold Statusi n act 4 5 QUAD T1 Counter Menu uusssnasenannennnnnnnnnnannnn nessa eee ee anne rar rre 4 6 Diagnostics and Alarms iii 5 1 Diagnostics MENU uee arista 5 1 USING DIAGNOStICS ss nt nn Mn nn tr RS anne ten ed 5 1 Troubleshooting treedt terein nae dd a 5 4 Alarm Menu sn tan A ple a vis es wei ET edu aaa oane ee a 5 8 Threshold Configuration sis 5 8 Display Alarm Buffer cuco en ne 5 11 Threshold Status ici sinn 5 11 Verilink QUAD T1 User Manual Vv vi Verilink Quad T1 User Manual u Chapter 1 Scope Purpose and Use Product Description Line Compatibility Overview This manual describes the QUAD T1 module a component of the Verilink Access System 3000
9. Quick Set Up Figure 2 10 Circuit Manager Menu with Circuits CIRCUIT MANAGER MENU 1 1 SCM Firmware 1 18 Page 1 Total 4 circuits A add circuit D delete circuit P prev page N next page X exit this menu A 0 0 0 2 1 4 Na me Type Mode Prio Source Port Dest Port Bus Status codecl perm 64k norm 1 3 QUAD net1 1 2 QUAD dat1 AUT Active PBX_M13 perm voice norm 1 3 QUAD net3 1 6 M1 3 ml3 AUT Active MUX_T11 perm 64k norm 1 5 IMUX data 1 4 QUAD netl AUT Active L search circuit E edit circuit I activate circuit R deactivate circuit QUAD T1 gt Cloning Circuits With one circuit already built from the IMUX port to the first T1 port of the QUAD T1 module the additional circuits required to achieve the desired 6 Mbit s data rate can be created by editing the existing circuit and saving it with a new name This process is called cloning and it saves time 1 Whilestill at the Circuit Manager Menu type E to edit an existing circuit 2 Enter the name IMUX_T11 Circuit names are case sensitive The Edit Circuit Menu is displayed See Figure 2 11 Verilink QUAD T1 User Manual Quick Set Up Figure 2 11 Edit Circuit Menu EDIT CIRCUIT MENU 1 1 SCM Firmware 1 18 N name MUX_T11 M mode 64k SP src port 1 5 IMUX data DP dst port 1 4 QUAD net1 port data rate DM DSO map selection 01 02 03 04 05 06 07 08 1528 kbps 09 10 11 12 13 14 15
10. be instructed to press ENTER after each command Generally ENTER is used after each keyboard entry Each port used in this example must be configured correctly and placed in service The Configuration Menu is used for this purpose With the first QUAD T1 module selected access the Configuration Menu by typing C at the Main Menu Figure 2 3 shows the QUAD T1 Configuration Menu In the example Configuration Menu shown in Figure 2 3 ports 1 and 2 offer line build out options while ports 3 and 4 offer equalization cable length options This is because a CIM 3003 is used The CIM 3003 features two DS 1 ports and two DSX 1 ports This is correct for this example because we are connecting ports 1 and 2 to T1 circuits and port 3 is connecting to a PBX which presents a DSX 1 interface Port 4 of the first QUAD T1 module is not used in this example Verilink QUAD T1 User Manual 2 3 Quick Set Up Figure 2 3 Configuration Menu for Slot 3 QUAD T1 CONFIGURATION MENU Port 1 Port 2 Port 3 Port 4 In in service no no no no Fn frame format ESF ESF ESF ESF Ln line coding B8ZS B8ZS B8ZS B8ZS Bn line build out 0db 0db n a n a En equalization n a n a 0 133ft 0 133ft NDn network density none none none none NLn network initiated loop yes yes no no An alarm declare ti me sec 0 0 0 0 DLn FDL enable yes yes no no PRM enable yes yes yes yes Rn enable inband FDL no no no no Sn trunk condition bits A B 0 0 0 0 0 0 0 0 F FDL con
11. cleaners or aerosol cleaners Use a cloth slightly dampened with water Do not place this product on an unstable cart stand or table It may fall causing serious damage to the product Slots and openings in the shelves are provided for ventilation to protect them from overheating These openings must not be blocked or covered Never place this product near a radiator or heat register Verilink QUAD T1 User Manual Product Warranty Customer Service Publications Staff This product should be operated only from thetype of power source indicated on the marking label and manual If you are unsure of thetype of power supply you are using consult your dealer or local power company Do not allow anything to rest on the power cord Do not locate this product where the cord will interfere with the free movement of people Do not overload wall outlets and extension cords as this can result in fire or electric shock Never push objects of any kind into the shelves They may touch dangerous voltage points or short out parts that could result in fire or electric shock Never spill liquid of any kind on this equipment Unplug the equipment from the wall outlet and refer servicing to qualified service personnel under the following conditions e When the power supply cord or plug is damaged or frayed e If liquid has been spilled into the product If the product has been exposed to rain or water e If the product has been dropped
12. effect for the port test pattern Indicates which test pattern or none is being transmitted by the port BERT count Indicates the number of test errors since they were last reset BERT overflow Indicates the number of times the error counter above has overflowed The maximum is 20 000 000 Reset the error counter when this value is reached BERT rate Indicates the error rate computed by bit errors divided by total test bits received Expressed as a ratio such as 1 in 10 to the sixth power Ln line loop A loopback in the local QUAD T1 module that faces the network Traffic that is received from the network is sent back to the network Tests a minimum portion of the local QUAD T1 module Best used to test the T1 facility from a remote test point This test is frequently used by network service providers Pn payload loop A loopback in the local QUAD T1 module that faces the network With this loopback in place more of the local QUAD T1 module is tested If payload loop fails while line loop passes verify that the timing options are set correctly Rn local loop A loopback in the local QUAD T1 module that faces the local QUAD T1 module Traffic that would otherwise be sent out to the network is returned to its source If a local loop fails there is a local configuration or hardware problem The port sends AIS Alarm Indication Signal a pattern of unframed all ones toward the network during a local l
13. insert single error Used while transmitting a test pattern only this causes the deliberate transmission of a single error Used to verify that a loopback is actually in place this should cause the BERT count to increment by one En reset test counter Resets the test counter for the selected port to zero Tn test pattern Selects a test pattern to be transmitted toward the network usually used after first establishing a local or remote loopback The available test patterns are 1 none no test pattern 2 3 24 3 in 24 a minimum of three ones in any 24 sequential bits A low density test pattern recommended for B8ZS T1 circuits 3 QRSS Quasi Random Signal Sequence favored by network service providers and widely supported in test sets This pattern may fail on an AMI T1 if density enforcement is 12 5 4 2N20 1 2 in 10 to the 20th power minus one a very low density test pattern that resembles some live data patterns Useful on B8ZS T1s 5 1 8 1 in 8 aminimum of one bit in every eight will be a one pulse Very widely supported and should pass even on an AMI T1 facility Maintains the minimum ones density requirement 12 5 of an AMI T1 Recommended for testing any T1 6 2N15 1 2 in 10 to the 15th power minus one a low density test pattern that resembles some live data patterns Useful on B8ZS Tls 7 ALL 0 S Continuous pattern of framed all zeros this test should always be run when installing a B8ZS T1 facility
14. loopbacks Figure 5 1 Diagnostics Menu loop test BERT BERT BERT Ln Rn An S Tn A 0 type pattern count overflow rate line loop local loop send LLB BOP QUAD T1 DIAGNOSTICS MENU PORT 1 PORT 2 PORT 3 PORT 4 none none none none none none none none 0 0 0 0 n a n a n a n a n a n a n a n a Pn payload loop Cn send LLB 62411 Bn send PLB BOP insert single error En reset test counter test pattern X exit this menu 0 0 2 1 4 QUAD T1 gt Diagnostic Options A typical procedure includes first establishing a loopback then starting to transmit a test pattern Whenever a test pattern is being sent the QUAD T1 module monitors receive data on that port for the pattern it is transmitting When the pattern is not received exactly as it was sent errors are counted Verilink QUAD T1 User Manual 5 1 Diagnostics and Alarms Be sure to stop all tests and de activate all loopbacks when testing is completed NOTE Line loopbacks initiated via an FDL message to a remote node are inhibited if the T1 line being used is set to enable inband management This is done to prevent an unintended loss of communication when a T1 being used for management is placed into a loopback condition The indicators and options on the Diagnostics Menu are listed in Table 5 1 Table 5 1 Diagnostics Menu Options Item Description loop type Indicates what type of loop is currently in
15. mode configuring an ESF feature See the section FDL Configuration Verilink QUAD T1 User Manual 3 5 Configuration Menu Option Description Instructions Rn enable Enables or disables the With inband enabled Verilink proprietary management inband FDL use of a portion of the FDL messages can be sent through the 4K FDL portion of ESF overhead for end to end framing Requires ESF FDL continuity end to end This communication option has no effect if SF framing is selected If inband is enabled on a T1 port certain loopbacks will be dis allowed on that port so that the user does not initiate a test which causes a loss of communication to the node Sn trunk Selects a bit pattern to be For customer equipment using A B signalling typically a condition bits A B sent when a T1 facility is unavailable because a red alarm condition exists PBX this option selects a pattern sent to indicate a trunk is not available Often voice equipment considers 1 1 A 1 B 1 as a trunk busy indication making that DSO unavailable F FDL configuration Calls a submenu with options pertaining to the use of the 4K Facilities Data Link on an ESF T1 See the section FDL Configuration C copy port Used to copy all of the settings for a port to one or all three of the other ports First configure the port to be copied then use this command Indicate the port to be copied from first then indicate whic
16. reemplaza incorrectamente Reemplace la bateria con el mismo tipo de bateria una equivalente recomendada por el manufacturero Dis ponga de las baterias de acuerdo con las instrucciones del manufacturero ATTENCION Para evitar contacto con circuitos que electrocutan la fuente de alimentaci n debe ser instalada por un t cnico profesional La terminal de la fuente de alimentaci n marcada con el s mbolo de tierra debe ser conectada a un circuito de vuelta por tierra permanente PELIGRO Circuitos que se interconectan a la red de telecomunicaciones deben hacerse de tal manera que cumplan con los requisitos estipulados en las especificaciones EN60950 1992 A4 1997 Secci n 6 2 para los voltages de circuitos interconnectados a la Red de Telecomunicaciones TNV despues de terminar las connecciones entre os circuitos Verilink QUAD T1 User Manual iii Deutsch Canadian Requirements Safety Precautions VORSICHT Explosionsgefahr bei unsachgem em Ersetzen der Batterie Batterie gleichen Typs und gleicher Qualit t benutzen wie vom Hersteller empfohlen Entsorgung der Batte rienach Anweisung des Herstellers VORSICHT GEFAHR Um keinen Schlag zu erhalten beim Versagen der electrischen Anlage muss der Stro manschluss von einem Elektriker vorgenommen werden Der elektrische Pol verse hen mit dem Erdsymbol muss am Stromanschluss permanent geerdet sein VORSICHT Schaltungen die in den Ger ten zusa
17. registers according to ESF specifications TR 54016 and ANSI T1 403 Once the QUAD T1 module has been in operation for 24 hours there will be performance information in the registers for 96 fifteen minute intervals Figure 4 1 shows the QUAD T1 Performance Status Menu Figure 4 1 Performance Menu QUAD T1 PERFORMANCE STATUS MENU Port 1 Port 2 Port 3 Port 4 LOS no no no no LOF no no no no AIS Rx Tx no no no no no no no no RAI Rx Tx no no no no no no no no SLIP no no no no CRC6 no no no no CGA no no no no Restore state disabled disabled disabled disabled P display performance data T threshold status C display counters X exit this menu A 0 0 0 2 1 3 QUAD T1 gt Performance Menu Table 4 1 lists the 8 types of status information and 3 submenus Details available on the Performance Menu Verilink QUAD T1 User Manual 4 1 Performance Table 4 1 Performance Menu Details Item Description Details LOS Indicates whether a Loss Of Signal Major alarm that occurs when no pulses condition currently exists ones are detected in over one hundred bit times LOF Indicates whether a Loss Of Frame Major alarm that occurs when the receiver condition currently exists circuitry is unable to locate the framing bit in the received T1 signal AIS Rx Tx Indicates whether Alarm Indication AIS is declared when the port receives a Signal is currently being received or pat
18. source for this shelf This module will number of the module provide the clock signal used to drive the transmit clock selected as the primary clock circuitry for all modules in the shelf that use T1 rate source clocks PS Clock source within the module selected for the PC Select from the list of ports option available on the module PA Enables or disables fallback to primary clock source after Set to Yes if the node is to a failed condition has cleared If disabled the SCM never revert to a timing source reverts to the primary clock source until an operator which failed but is now OK changes this option SC The slot number of the application module which will be At the prompt type the slot the secondary clock source for this shelf If the primary number of the module clock source fails this module will provide the clock selected as the secondary signal used to drive the transmit clock circuitry for all of clock source the cards in the shelf which use T1 rate clocks SS Clock source within the module selected for the SC Select from the list of ports option available on the module SA Enables or disables fallback to secondary clock source Set to Yes if the node is to after a failed condition has cleared If disabled the SCM revert to a timing source never reverts to the secondary clock source until an which failed but is now OK operator changes this option 3 8 Verilink QUAD T1 User Manual Configuration
19. with one or more major alarms Solid Amber The port is in service and a loopback or test is in effect or a yellow alarm RAIS is being received Hal Amber to The port is in service a loopback or test is in progress and errors are detected e Verilink QUAD T1 User Manual 1 3 Overview 1 4 PRI Port Rear Modules DS 1 or DSX 1 CIM Types Alarm Relay Connector Power Up Sequence During initialization the QUAD T1 LEDs blink as a self test is conducted Initially all five LEDs blink green to red rapidly At the completion of the self test the SYS LED will remain amber briefly as the SCM takes over the management functions The final state of the Port LEDs will reflect the conditions listed above The PRI RJ 45 port can be used to connect a QUAD T1 module directly to a PC running Node Manager software The QUAD T1 module is used with one of three Connector Interface Modules CIMs depending on the required mix of DS 1 and DSX 1 interface types Each of the available CIMs presents four RJ 48 8 pin modular connectors for the T1 connections CSU network interfaces present a DS 1 interface with line buildout options which can be used to reduce the transmit signal level if a repeater is nearby T1 equipment and the equipment interface of a T1 CSU typically present a DSX 1 interface which offers the ability to increase signal level in order to drive a long cable between the equipment and the CSU The three t
20. 0 22 0 38 0 54 0 70 0 86 0 7 0 23 0 39 0 55 0 71 0 87 0 8 0 24 0 40 0 56 0 72 0 88 0 9 0 25 0 41 0 57 0 73 0 89 0 10 0 26 0 42 0 58 0 74 0 90 0 11 0 27 0 43 0 59 0 75 0 91 0 12 0 28 0 44 0 60 0 76 0 92 0 13 0 29 0 45 0 61 0 77 0 93 0 14 0 30 0 46 0 62 0 78 0 94 0 15 0 31 0 47 0 63 0 79 0 95 0 16 0 32 0 48 0 64 0 80 0 96 0 Press Enter to continue 4 4 Verilink QUAD T1 User Manual Performance Threshold Status The Threshold Status Report is accessed by typing T atthe Performance Menu Figure 4 4 illustrates a sample report and Table 4 3 details the information presented on the Threshold Status Report For each threshold that has been exceeded in the interval reported a Y appears Thresholds that have not been exceeded appear with an N next to them When the ENTER is pressed the T1 Port Performance Menu is re LOF 15 LOS 15 RAI 15 AIS 15 BPV 15 ES 15 ES 24 SES 15 min min min min min min hrs min displayed Figure 4 4 T1 Theshold Status Report QUAD T1 THRESHOLD STATUS Port 1 Port 2 Port 3 Port 4 0 N 0 N 0 N 0 N 0 N 0 N 0 N 0 N 0 N 0 N 0 N 0 N 0 N 0 N 0 N 0 N 0 N 0 N 0 N 0 N O N O N 0 N 0 N 0 0 0 0 O N O N 0 N O N 0 0 0 0 SES 24 hrs Press Enter to continue Threshold Status Table 4 3 lists the details shown on the Threshold Status Report Details Table 4 3 T1 Threshol
21. 15min threshold 5 5 900 900 SES 24hr threshold 35 35 86400 86400 Un UAS 15min threshold 10 10 900 900 Vn line restoral auto auto of f off Tn TOD hh mm 00 01 00 01 00 00 00 00 Cn clear interval 10 10 0 0 X exit this menu A 0 0 0 2 1 4 QUAD T1 gt Figure 5 6 Alarm Threshold Options Item Description Pn alarm reporting Turns on or off alarm reporting for the selected port Fn LOF 15min threshold Sets the number of Loss Of Frame events which will be tolerated in a 15 minute interval An alarm is declared when this value is reached Since Loss Of Frame results in total failure of a T1 circuit this parameter should be set to a low value After a value is entered for 15 minute intervals the user is prompted to set a threshold for 24 hour intervals Ln LOS 15min threshold Sets the number of Loss Of Signal events which will be tolerated in a 15 minute interval An alarm is declared when this value is reached Since Loss Of Signal results in total failure of a T1 circuit this parameter should be set to a low value After a value is entered for 15 minute intervals the user is prompted to set a threshold for 24 hour intervals Rn RAI 15min threshold Sets the number of Remote Alarm Indication events which will be tolerated in a 15 minute interval An alarm is declared when this value is reached Since Remote Alarm Indication indicates a major alarm exists LOS LOF or AIS at the remote end of
22. 4 ports of the second QUAD T1 module to support a router at 6 112 Mbit s Example Figure 2 1 shows the shelf for the example configuration and Figure Illustrations 2 2 illustrates the applications Verilink QUAD T1 User Manual 2 1 Quick Set Up Figure 2 1 Example Shelf DI SCM EI QUADDATA GZ 0 co amm Y vena venu O o QUAD T1 QUAD T1 IMUX M1 3 00 ee 90009 ED m Ey Ey Q 8 Figure 2 2 Example Applications Slot 2 Slot 1 Router Slot 6 M1 3 at 2 2 Verilink QUAD T1 User Manual Log In Configure Ports Quick Set Up Connect a Craft cable to the port labelled LocaL on the front of the SCM module Connect the other end of the Craft cable to a notebook computer Start a session in a terminal program 1 Set your terminal parameters to 19 2 kbit s 8 data bits No parity One stop bit No flow control 2 Press ENTER The prompt pSH gt appears Type craft use lowercase The prompt Your Password appears Initially there is no password press ENTER The SCM Main Menu appears eo Se A Y To navigate to the first QUAD T1 module in slot 3 type S and press ENTER At the prompt type 1 3 and press ENTER NOTE For the rest of this chapter you will not
23. D delete circuit P prev page N next page X exit this menu A 0 0 0 2 1 4 CIRCUIT MANAGER MENU 1 1 SCM Firmware 1 18 S Mode Prio Source Port Dest Port Bus Status 64k norm 1 3 QUAD net1 1 2 QUAD dat1 AUT Active voice norm 1 3 QUAD net3 1 6 M1 3 m13 AUT Active 64k norm 1 5 IMUX data 1 4 QUAD net1 AUT Active 64k norm 1 5 IMUX data 1 4 QUAD net2 AUT Active 64k norm 1 5 IMUX data 1 4 QUAD net3 AUT Active L search circuit E edit circuit I activate circuit R deactivate circuit QUAD T1 gt Additional Information All of the configuration options in the QUAD T1 module are described in detail in Chapter 3 Configuration in this manual Information on the performance and statistics is in Chapter 4 Performance Diagnostics are covered in Chapter 5 Diagnostics and Alarms Verilink QUAD T1 User Manual u Chapter Craft Interface Terminal Setup Configuration This chapter describes the process of configuring the QUAD T1 module through the SCM Craft interface Verilink refers to the ASCII terminal interface of the AS3000 products as a Craft interface Application modules can be configured circuits built diagnostics performed and performance monitored using the Craft interface Set your terminal parameters to Data rate 19 2 kbit s Word size 8 bits Parity None Stop bits One Flow control None The Verilink Craft interface does not asse
24. F FE 4 6 frame errors 4 4 frequency will drift 5 6 Front Module 1 2 IMUX 2 9 in service 3 5 insert single error 5 3 L LEDs 1 3 Line Compatibility 1 1 line loop 5 2 local loop 5 2 LOF 15 min 4 5 LOF seconds 4 3 LOFC seconds 4 3 Log In 3 2 loop type 5 2 Loopback Plug 5 6 LOS 4 2 LOS 15 min 4 5 LOS seconds 4 3 M Management Options 1 2 N Node Manager 1 2 O OOF seconds 4 4 P password prompt 3 2 payload loop 5 2 PBX 2 8 Performance Menu 4 1 Port LEDs 1 3 Product Description 1 1 pSH gt 3 2 Purpose and Use 1 1 Q QRSS 5 3 R RAI 15 min 4 5 RAI Rx Tx 4 2 Rear Modules 1 4 regeneration 5 5 Verilink QUAD T1 User Manual Index 1 Related Verilink Documents 1 2 reset local counters 4 6 reset registers 4 4 reset test counter 5 3 S Scope 1 1 SEF seconds 4 3 send LLB 62411 5 2 send LLB BOP 5 2 send PLB BOP 5 3 SES 15 min 4 5 SES 24 hrs 4 5 severely errored seconds 4 3 shielded twisted pairs 5 5 Successful circuit build 2 8 T T1 loopback plug 5 6 T1 Port Counter Menu 4 6 T1 Port Performance Menu 4 1 terminal parameters 2 3 Terminal Setup 3 1 test pattern 5 3 threshold status 4 2 Threshold Status Report 4 5 Troubleshooting Tips 5 5 U unavailable seconds 4 3 UNIX commands 3 2 USER1 5 3 Y Your Password 2 3 YOUR PASSWORD 3 2 Index 2 Verilink QUAD T1 User Manual September 1999 P N 880 503345 001 Al VERILINK VERILINK CORPORATION 127
25. Figure 4 5 QUAD T1 Counter Menu QUAD T1 COUNTER MENU BPV FE ESF CRC Port 1 0 0 0 0 Port 2 0 0 0 0 Port 3 0 0 0 0 Port 4 0 0 0 0 Rn reset counters X exit this menu A 0 0 0 2 1 3 QUAD T1 gt Table 4 4 T1 Port Counter Menu Options Item Description BPV Indicates a Bipolar Violation has occurred 2 sequential received pulses of the same polarity Does not include intentional bipolar violations used in B8ZS coding FE Indicates an accumulated count of framing errors ESF Indicates an accumulated count of ESF errors Applies only to ESF T1 circuits CRC Indicates an accumulated count of CRC6 errors Applies only to ESF T1 circuits Rn reset counters Resets the counters shown on this menu Until this command is used the values in the counters above will increment from power up time X exit this menu Exits to the T1 Port Performance Menu 4 6 Verilink QUAD T1 User Manual u Chapter Diagnostics Menu Using Diagnostics Diagnostics and Alarms This chapter describes the diagnostic and alarm reporting capabilities of the QUAD T1 module The QUAD T1 Diagnostics Menu is accessed by typing D at the QUAD T1 Main Menu The Diagnostics Menu can be used to put up and take down local and remote loopbacks send test patterns and evaluate test results Figure 5 1 shows the Diagnostics Menu Table 5 1 lists the options available and Figure 5 2 illustrates the four types of
26. JETPLEX CIRCLE MADISON ALABAMA 35758 TEL 800 837 4546
27. MENU Port 1 Port 2 Port 3 Port 4 LOF 15 min 0 N 0 N 0 N 0 N LOS 15 min 0 N 0 N 0 N 0 N RAI 15 min 0 N 0 N 0 N 0 N AIS 15 min 0 N 0 N 0 N 0 N BPV 15 min 0 N 0 N 0 N 0 N ES 15 min 0 N 0 N 0 N 0 N ES 24 hrs 0 N 1 N 1 N 1 N SES 15 min 0 N 0 N 0 N 0 N SES 24 hrs 0 N 0 N 0 N 0 N Rn reset registers X exit this menu A 0 0 0 2 1 4 QUAD T1 gt Verilink QUAD T1 User Manual 5 11 Diagnostics and Alarms 5 12 Verilink QUAD T1 User Manual Numerics lin8 5 3 24 Hour Report 4 4 2N11 1 5 3 2N15 1 5 3 2N20 1 5 3 3 in 24 5 3 458 102119 008 3 2 458 501788 008 3 1 55 OCTET 5 3 A Add Circuit Menu 2 7 AIS15 min 4 5 AIS Rx Tx 4 2 AlS seconds 4 3 AIS SEF seconds 4 3 Alarm Relay Connector 1 4 ALL 0 S 5 3 ALL 1 S 5 3 B BERT count 5 2 BERT overflow 5 2 BERT rate 5 2 BPV 15 min 4 5 Build Circuits 2 6 bursty errored seconds 4 4 C CIM Types 1 4 Circuit Build 2 6 Circuit Manager Menu 2 8 Cloning Circuits 2 10 Compatible Modules 1 2 Components 1 2 copy port 3 6 Craft cable 2 3 CRC 4 6 CRC6 4 2 CRC 6 error checking 5 6 crosstalk 5 5 D DB 9 Craft Cable 3 2 density enforcement 3 5 Destination Mapping 2 8 Diagnostics Menu 5 1 display performance data 4 2 display T1 counters 4 2 DS 1 or DSX 1 1 4 E errored seconds 4 3 errored seconds type A 4 4 ES 15 min 4 5 ES 24 hrs 4 5 Index Example Configuration 2 1 External Timing 1 5
28. SP src port 1 3 QUAD net3 DP dst port 1 6 M1 3 m13 SM DSO map selection bus AUT gt gt gt gt gt Circuit Inactive lt lt lt lt lt S setup A 0 0 0 2 1 4 QUAD T1 gt M mode voice DM DSO map selection DT T1 chnl No undefined X exit 4 T1 Ports to 1 IMUX Port 6 Type DT and select T1 number 6 Then type DM and select all 24 DSOs of that T1 Type SM and select all 24 DSOs of the QUAD T1 port 3 Type S to setup the circuit Type X to return to the Circuit Manager Menu Thethird part of this example configuration consists of four T1 circuits which will share a common connection to the data port of the IMUX module in slot 5 After creating one circuit the remaining circuits will be cloned 1 While still at the Circuit Manager Menu type A to add another circuit Type N to name the circuit and use IMUX_T11 Type M and set the mode to 64K per timeslot Type SP and use 1 5 to select the IMUX module Since the IMUX has only one port no port selection prompt is presented Type DP and use 1 4 to select the second QUAD T1 module At the port selection prompt choose port 1 Type DM and select all 24 timeslots by typing 1 24 Type S to setup the circuit then type X to return to the Circuit Manager Menu A list of all the circuits is displayed at the top of the menu as in Figure 2 10 Verilink QUAD T1 User Manual 2 9
29. Verilink QUAD T1 User Manual September 1999 P N 880 503345 001 Al VERILINK Copyright Notice Trademarks FCC Requirements Copyright 1999 Verilink Corporation All rights reserved This document does not create any express or implied warranty about Verilink or about its products or services Verilink s sole warranty is contained in its product warranty The end user documentation is shipped with Verilink s products and constitutes the sole specifications referred to in the product warranty Verilink has made reasonable efforts to verify that the information contained herein is accurate but Verilink assumes no responsibility for its use or for any infringement of patents or other rights of third parties that may result The customer is solely responsible for verifying the suitability of Verilink s products for its use Specifications are subject to change without notice Verilink is a registered trademark of Verilink Corporation Access System 2000 WANscope VeriStats and FrameStart are trademarks of Verilink Corporation Any named products herein are trademarks of their respective companies This equipment has been tested and found to comply within the limits for a Class A digital device pursuant to Part 15 of the Federal Communications Commission FCC rules These limits are designed to provide protection against harmful interference in a commercial environment This equipment generates uses and can radiate radio fr
30. a T1 circuit this parameter should be set to a low value After a value is entered for 15 minute intervals the user is prompted to set a threshold for 24 hour intervals Verilink QUAD T1 User Manual 5 9 Diagnostics and Alarms Item Description An AIS 15min threshold Sets the number of Alarm Indication Signal events which will be tolerated in a 15 minute interval An alarm is declared when this value is reached Since Alarm Indication Signal is a received pattern of unframed all ones indicating a failure of the T1 this parameter should be set to a low value After a value is entered for 15 minute intervals the user is prompted to set a threshold for 24 hour intervals Bn BPV 15min threshold Sets the number of Bipolar Violations which will be tolerated in a 15 minute interval An alarm is declared when this value is reached After a value is entered for 15 minute intervals the user is prompted to set a threshold for 24 hour intervals En ES 15min threshold ES 24hr threshold Sets the number of Errored Seconds which will be tolerated in a 15 minute interval An alarm is declared when this value is reached After a value is entered for 15 minute intervals the user is prompted to set a threshold for 24 hour intervals Sn SES 15min threshold SES 24hr threshold Sets the number of Severely Errored Seconds which will be tolerated in a 15 minute interval An alarm is declared when this value i
31. ation Menu Option Description Instructions In in service Places ports in or out of service Place ports in service before building circuits to them Type 11 to place port 1 in service 12 for port 2 etc Fn frame format Selects the SuperFrame SF method of framing the T1 signal or the Extended SuperFrame ESF method SF is another term for D4 framing they are identical If a QUAD T1 port connects to a standard T1 circuit provided by a telephone carrier select the framing type that the T1 facility uses If using private copper select ESF it offers superior error checking abilities Ln line coding Selects Alternate Mark Inversion AMI or Binary Eight Zero Substitution B8ZS as the method of bipolar coding on the T1 circuit If a QUAD T1 port connects to a standard T1 circuit provided by a telephone carrier select the line coding type that the T1 facility uses If using private copper select B8ZS it allows unrestricted use of the full 64K in each DSO Bn line build out Selects attenuation level of DS 1 transmit signal Use Odb when connecting to a smart jack network termination device This option is only applicable to ports with DS 1 interfaces Ports 1 and 2 of a CIM 3003 are DS 1 ports All 4 ports of a CIM 3064 present a DS 1 interface The QUAD T1 module detects which type of CIM is fitted at power up and appropriate fields are avai
32. cuit D delete circuit E edit circuit P prev page I activate circuit N next page R deactivate circuit X exit this menu A 0 0 0 2 1 4 QUAD T1 gt 2 Type A to add a circuit The Add Circuit Menu is displayed Figure 2 7 Add Circuit Menu ADD CIRCUIT MENU 1 1 SCM Firmware 1 18 N name M mode SP src port undefined DP dst port undefined port rate selection port rate selection undefined port undefined port undefined port undefined port undefined port undefined port undefined port undefined port bus AUT gt gt gt gt gt Circuit Inactive lt lt lt lt lt S setup X exit A 0 0 0 2 1 4 QUAD T1 gt Circuit 1 Use the following steps to build a circuit from the QUAD DATA module to the QUAD T1 module in slot 3 1 Type N and give the circuit a name For the first circuit use codec1 2 Type M and set the mode to 64K per DSO 3 Type SP and set the Source Port Type 1 2 to select shelf 1 slot 2 the QUAD DATA module then select data port number 1 Verilink QUAD T1 User Manual 2 7 Quick Set Up 4 Type DP and set the Destination Port to shelf 1 slot 3 the first QUAD T1 module then select net port 1 The screen is refreshed with the information entered so far See Figure 2 8 Figure 2 8 Add Circuit Menu Partial Circuit ADD CIRCUIT MENU 1 1 SCM Firmware 1 18 N nam
33. d Status Report Details Item Description LOF 15 min Indicates the number of Loss Of Frame events in the current interval LOS 15 min Indicates the number of Loss Of Signal events in the current interval RAI 15 min Indicates the number of Remote Alarm Indication events in the current interval AIS 15 min Indicates the number of Alarm Indication Signal events in the current interval BPV 15 min Indicates the number of Bipolar Violations received in the current interval ES 15 min Indicates the number of Errored Seconds in the current interval ES 24 hrs Indicates the number of Errored Seconds in the preceding 24 hours SES 15 min Indicates the number of Severely Errored Seconds in the current interval SES 24 hrs Indicates the number of Severely Errored Seconds in the preceding 24 hours Verilink QUAD T1 User Manual 4 5 Performance QUAD T1 The T1 Port Counter Menu displays a total count of errors since Counter Menu the last reset or since the QUAD T1 module was powered up It is useful in evaluating the performance of a T1 circuit over a prolonged period of time It can also be used during testing reset the counters and then periodically press ENTER at the menu prompt to refresh the display and see if errors are accumulating To access the T1 Port Counter Menu type C at the T1 Port Performance Menu Figure 4 5 illustrates the T1 Port Counter Menu and Table 4 4 lists the menu items
34. during which an Out Of Frame condition exists Hn frame errors A second during which any framing error occurs Qn errored seconds type A A second during which one and only one ESF error is detected Rn reset registers Command used to reset all of the T1 performance registers for the selected port to zero Bn bursty errored seconds A second having between 2 and 319 CRC 6 error events Bursty errored seconds are not counted when an SES or UAS is counted X exit this menu Exits the T1 24 Hour Performance Menu and returns to the Performance Menu Typical 24 Hour Figure 4 3 illustrates a 24 hour errored second report Similar Report displays are presented for the other report types listed in Table 4 2 Interval 1 is the most recently completed 15 minute interval For each fifteen minute interval there will be A zero if there were no errors The number of errors in that 15 minute period or A hyphen in some fields if the registers or module power have been reset in the preceding 24 hours Figure 4 3 Typical 24 Hour Report PORT 2 24 HOUR ES PERFORMANCE DATA at 8 27 98 2 37 09 Site Name SCM Tutorial Shelf 1 Slot 3 Valid 15 min Intervals 96 Seconds in current interval 761 ES in 24 hours 0 ES in current interval 0 1 0 17 0 33 0 49 0 65 0 81 0 2 0 18 0 34 0 50 0 66 0 82 0 3 0 19 0 35 0 51 0 67 0 83 0 4 0 20 0 36 0 52 0 68 0 84 0 5 0 21 0 37 0 53 0 69 0 85 0 6
35. e Contact the carrier and request they monitor the circuit Carriers can monitor a Tl circuit for CRC errors without disrupting user data BPV A bipolar violation is a sequence of two or more consecutive pulses of the same polarity If a T1 is designed to support B8ZS but some portion of the facility is configured for AMI in error the AMI portion of the T1 may attempt to fix the intentional bipolar violations used to represent 8 or more zeros on a B8ZS T1 This may manifest as BPVs or BPVs with CRC 6 errors To verify that a T1 which is intended to be B8ZS is actually configured properly test the facility with a pattern of all zeros 5 6 Loopback Plug For a completely reliable test of a QUAD T1 module make a T1 loopback plug and plug it in to a network port The module will now receive the signals it is sending on that port If the port is sending a defective signal it will receive a defective signal and declare an alarm If the receive circuitry is defective such that it cannot decode a good signal it will be unable to decode the signal it is transmitting and will declare an alarm Thus if a T1 port does not declare any alarms with a loopback plug in lieu of the T1 circuit that port is not defective This does not rely on any tests built in to the product thereby producing a higher confidence level in the results of the test With a loopback plugin a QUAD T1 module port any circuit built to the po
36. e codecl M mode 64k SP src port 1 2 QUAD dat1 DP dst port 1 3 QUAD net1 port data rate DM DSO map selection 64k 0 0 kbps bus AUT gt gt gt gt gt Circuit Inactive lt lt lt lt lt S setup X exit A 0 0 0 2 1 4 QUAD T1 gt 5 Type DM and set the Destination Mapping Type 1 24 to use all 24 DSOs for the video application This combined with the mode selection of 64K creates a data rate of 1 536 Mbit s 6 Type S and setup the circuit The message Successful circuit build should appear If it does not verify that the ports are indeed in service on the QUAD DATA and QUAD T1 modules Type X to return to the Circuit Manager Menu The first circuit is now summarized at the top of the menu Circuit 2 Circuit 2 maps a PBX connected to port 3 of the QUAD T1 module in slot 3 to the sixth T1 multiplexed into the M1 3 DS3 aggregate 1 2 8 While still at the Circuit Manager Menu type A to add another circuit Type N and use PBX_M13 for the circuit name Type M and select voice for the mode Type SP and use 1 3 to select the first QUAD T1 module Select port 3 Type DP and use 1 6 to select the M1 3 module The screen redraws with fields which are slightly different See Figure 2 9 Verilink QUAD T1 User Manual Quick Set Up Figure 2 9 Add Circuit Menu M1 3 Selected ADD CIRCUIT MENU 1 1 SCM Firmware 1 18 N name PBX_M13
37. e is always removed first The front panel of the QUAD T1 module has five tri color Light Emitting Diodes LEDs which give status information There are three modular connectors two RJ 45 connectors for daisy chain connections in and out to other AS3000 shelves and an RJ 11 LOCAL connector which supports the local Craft Interface in the module Verilink QUAD T1 User Manual Overview Usually the LOCAL port is not used Instead the module is managed through the SCM Figure 1 1 shows the front panel of the QUAD T1 module QUAD Ti Figure 1 1 QUAD T1 Front Panel u ost ec E PORT LOCAL PORT MANAGEMENT sys PRI EXT LEDs The front panel has five Light Emitting Diodes LEDs SYS LED The possible states for the SYS System led are shown in Table 1 1 Table 1 1 System LED States LED State Indication Off No power to the module Steady Green Power and the module is not the shelf controller This is typical Blinking Green to Off Power and the module is the shelf controller should not occur with an SCM present in the node Amber Shelf master negotiation is in progress Normal during power up cycle Port LEDs The port LEDs reflect the conditions listed in Table 1 2 Table 1 2 Port LED States LED State Indication Off The port is not in service See Configuration Solid Green The port is in service with no alarms or loopbacks Solid Red The port is in service
38. equency energy and if not installed and used in accordance with the user manual can cause harmful interference to radio communications There is no guarantee that interference will not occur in a particular installation If this equipment causes harmful interference to radio or television reception which can be determined by turning the equipment off and on try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help This equipment complies with Part 68 of the FCC Rules On the rear side or bottom of the unit is alabel that contains the FCC registration number and other information If requested provide this information to the telephone company All direct connections to the network lines must be made using standard plugs and jacks compliant with Part 68 The following tables list the applicable registration jack universal order codes USOCs facility interface codes FICs and service order codes SOCs These are required to order service from the telco For T1 interfaces Port ID REN SOC FIC USOC 1 544 Mbit s SF 6 0N 04DU9 BN RJ 48C jack 1 544 Mbit s SF B8ZS 04DU9 DN 1 544 Mbit s ANSI ESF 04DU9 1KN 1 544 Mb
39. figuration C copy port T timing X exit this menu A 0 0 0 2 1 3 QUAD T1 gt Configure Slot 3 2 4 1 Type 11 to place port 1 into service The selections for framing line code line build out network density loopback and FDL settings are already correct for this example Type Al to set the alarm declare time enter a value of 2 The port will now report alarms of atwo second duration Type C and copy the settings for port 1 to port 2 The two T1 circuits are identical Type 13 to place port 3 in service The PBX in this example is an older model which uses AMI line coding so type L3 and select AMI So that the 24 lines in this T1 will appear busy during a T1 outage type S3 and select 4 1 1 This causes the A and B bits to be forced to a 1 during any red alarm condition Type T to access the timing submenu See Figure 2 4 The option R receive clock from shelf must be set to Yes for this example Once done the timing selection already configured for this entire shelf is applied to this QUAD T1 module The T3 network port of the M1 3 module in slot 6 is the primary clock source for this node If that clock source fails the node will recover timing from the secondary source network port 1 of Verilink QUAD T1 User Manual Figure 2 4 Timing Menu Quick Set Up the QUAD T1 module in slot 3 With Auto Restore set to yes the shelf will revert to the primary T3 source once it recovers
40. g the timing table maintained by the SCM or using an independent clock source on the QUAD T1 module The Timing Menu is accessed by using the T command on the Configuration Menu See Figure 3 4 NOTE If receive clock from shelf is set to yes the timing table contains global values for all cards in the shelf that have receive clock from shelf set to yes Verilink QUAD T1 User Manual 3 7 Configuration Figure 3 4 Timing Menu R receive c Source Primary Secondary Tertiary X exit this A 0 0 0 2 Current shelf timing source QUAD T1 CONFIGURATION MENU TIMING OPTI ONS lock from shelf yes card 3 net 1 secondary Slot Number Synchronization Auto Restore PC 6 PS network PA yes SC 3 SS net 1 SA yes TC 4 TS net 1 TA yes menu 1 3 QUAD T1 gt Table 3 5 Tim Set the options on the Timing Menu in the order in which they are documented in Table 3 5 The PC SC and TC commands appear only when receive clock from shelf s set to yes ing Menu Options Menu Option Description Instructions R receive clock Used to select between using the timing table maintained In most environments from shelf by the SCM or using an independent clock source receive clock from shelf within or connected to this module should be set to Yes PC The slot number of the application module which will be At the prompt type the slot the primary clock
41. h ports are to receive the copied settings T timing Selects the timing submenu See the section Timing Menu X exit this menu Exits the Configuration Menu Returns to the QUAD T1 Main Menu FDL Configuration The F command on the Configuration Menu calls the FDL Configuration Menu as shown in Figure 3 3 Figure 3 3 FDL Configuration Menu QUAD T1 CONFIGURATION MENU FDL OPTIONS PORT 1 PORT 2 PORT 3 PORT 4 Sn FDL standard both both both both Cn PRM C R bit user user user user An send rec LLB BOP no no no no Bn send rec PLB BOP no no no no Dn send rec LLB 62411 no no no no X exit this menu A 0 0 0 2 1 3 QUAD T1 gt FDL Configuration Options 3 6 Table 3 4 The options available on the FDL Configuration Menu are listed in Verilink QUAD T1 User Manual Table 3 4 FDL Configuration Options Configuration Menu Option Description Instructions Sn FDL standard Selects which or both type of ESF standard will be supported through FDL messages Choose from support for Bellcore 54016 standard ANSI T1 403 or both Use 54016 if a connection to an AT amp T T1 is involved Cn PRM C R bit Selects handling of the Command Response bit signalling used in Performance Response Messages Select none to disable responses to C R bit messages Select user to allow telco access to both telco and user ESF registers Select telco to l
42. ia Telnet is pSH gt Certain TCP IP and UNIX commands are available from this prompt ping FTP mv rm Is Most often you will want to use the Craft interface To reach the Craft interface from the pSH gt prompt type the word craft in lowercase and press ENTER pSH gt craft The password prompt appears YOUR PASSWORD Initially there is no password so just press ENTER again The SCM Main Menu is displayed as shown in Figure 3 1 Verilink QUAD T1 User Manual Configuration Figure 3 1 SCM Main Menu VERILINK SCM CONTROLLER FW Rev 1 18 Aug 24 1998 20 04 56 Site name SCM Tutorial Access level 2 Managing at NEAR end node 0 0 0 2 Node id 122 lt SLOT gt SHELF 1 2 3 4 5 6 7 8 9 10 11 12 13 1 M S D Q Q M H 3 4 KEY D QUAD D l MUX M M13 Q QUAD T1 S SCM S shelf slot 0 administration C configuration D diagnostics P performance status A alarm B circuit manager I manufacturing info X logoff A 0 0 0 2 1 1 SCM gt Select QUAD T1 When you log in to an SCM controller the SCM module is selected Module Square brackets indicate the currently selected module S The prompt line also indicates which module is selected A 0 0 0 2 1 1 SCM gt Use the S shelf slot command to navigate to another module Type S and press ENTER At the prompt type the number of a slot where the desired QUAD T1 module resides shelf 1 slots 3 or 4in the node shown
43. imit telco access to telco registers only An send rcv LLB BOP Determines whether the module will send and respond to line loopback commands in the FDL portion of ESF framing Normally this option is set to Yes to enable sending and responding to BOP Bit Oriented Protocol Select No to disable loopbacks No might be selected if the product is used inside a network provider cloud Bn send rcv PLB BOP Determines whether the module will send and respond to payload loopback commands in the FDL portion of ESF framing Normally this option is set to Yes to enable sending and responding to BOP Bit Oriented Protocol Select No to disable loopbacks No might be selected if the product is used inside a network provider cloud Dn send rec LLB 62411 Determines whether the module will send and respond to line loopback commands sent in the T1 payload in the DSOs Normally this option is set to Yes No might be selected if the product is used inside a network provider cloud X exit this menu Exits the FDL Configuration Menu Returns to the Configuration Menu Timing Menu The SCM maintains a timing table for all of the modules in each shelf of anode When a module is optioned to receive clock from the shelf this table determines the transmit clock source It is used by each QUAD T1 module in the shelf as well as all QUAD DATA modules Use the Timing Menu to select between usin
44. in Figure 3 1 and press ENTER Verilink QUAD T1 User Manual 3 3 Configuration Configuration Menu During the installation of aQUAD T1 module the Configuration Menu is used to select parameters for the T1 Use the C command to access the Configuration Menu Figure 3 2 Figure 3 2 Configuration Menu QUAD T1 CONFI GURATI In in service Fn frame format Ln line coding Bn line build out En equalization NDn network density NLn network initiated ON MENU Port 1 yes ESF B8ZS 0db n a none loop yes An alarm declare time sec 0 DLn FDL enable PRM enable Rn enable inband FDL Sn trunk condition b F FDL configuration C copy port X exit this menu yes yes no its A B 0 0 T timing A 0 0 0 2 1 3 QUAD T1 gt Port 2 yes ESF B8ZS 0db n a none yes yes yes no 0 0 Port 3 yes ESF B8ZS n a 0 133ft none no 0 no yes no 0 0 Port 4 yes ESF B8ZS n a 0 133ft none no 0 no yes no 0 0 Configuration Options 3 4 The options available on the Configuration Menu are listed in Table 3 3 NOTE Whenever any Verilink product presents an option with a capital letter followed by a lowercase n the n is a variable representing an expected numeric input For example to place port two in or out of service type 12 instead of typing In Verilink QUAD T1 User Manual Table 3 3 Configuration Options Configur
45. it s ANSI ESF B8ZS 04DU9 1SN For DDS interfaces Port ID REN SOC FIC USOC 56 kbit s 6 0N 04DU5 56 RJ 485 jack 64 kbit s 04DU5 64 If the unit appears to be malfunctioning inform the telco and disconnect it from the network lines until the source of trouble is determined to be your equipment or the telephone line If your equipment needs repair it should not be reconnected until it is repaired The unit has been designed to prevent harm to the network If the telephone company finds that the equipment is exceeding tolerable parameters it can temporarily disconnect service In this case the telephone company will provide you advance notice if possible Verilink QUAD T1 User Manual Lithium Battery English Francais Espa ole If the telephone company alters its equipment in a manner that can affect the use of this device it must give you warning so that you have the opportunity to maintain uninterrupted service You will be advised of your right to file a complaint with the FCC No customer is authorized to repair this equipment regardless of warranty status All repairs must be performed by Verilink or an authorized agent It is the responsibility of users requiring service to report the need for service to Verilink or to one of our authorized agents The lithium battery referred to in the following notices is contained inside the clock chip DANGER The battery can explode if incorrectly replaced Re
46. k condition bits A B 0 0 0 0 0 0 0 0 F FDL configuration C copy port T timing QUAD T1 gt Build Circuits 2 6 10 Use Il to place port 1 into service No other changes to the module default settings are required for this example 11 Usethe C command and copy the settings for port 1 to all ports 12 Use the T command to access the timing submenu and verify that the R receive clock from shelf option is set to yes 13 This completes the port configuration for this module Exit to the Main Menu by typing X twice Once the required ports are configured and placed in service the circuits are built using the Circuit Build function of the SCM Always use the Craft interface of the SCM module by direct connection or Telnet to access the Circuit Build function instead of connecting to the Craft interface of the individual modules This assures that the SCM remains the central repository of all circuit routing information NOTE The assumption is made that the ports of the other modules have been placed in service and configured Always place ports in service and configure them before building circuits Verilink QUAD T1 User Manual Quick Set Up 1 Type B to display the Circuit Manager Menu Figure 2 6 Figure 2 6 Circuit Manager Menu CIRCUIT MANAGER MENU 1 1 SCM Firmware 1 18 gt gt gt gt gt gt NO CIRCUIT FOUND IN DATABASE lt lt lt lt lt A add circuit L search cir
47. l hot signals in the transmit pair will induce echo into the lower level long signals in the receive pair This condition is called crosstalk and is a leading cause of T1 problems As telephone carriers move toward a policy of housing all smart jacks in one location within commercial buildings crosstalk related complaints are becoming more common To prevent crosstalk related issues the transmit pair and the receive pair must be isolated from each other The recommended cable for T1 uses individually shielded twisted pairs each pair has shielding around it the cable therefore has two shields inside it one for each pair If shielded twisted pair cable is not available try to route the transmit pair and the receive pair in different cables as they traverse the building If the transmit and receive pairs must be routed through a multi pair cable such as the 25 pair or 50 pair cables found in large office buildings select pairs that are not near each other in the cable Many smart jacks offer an option regeneration This causes the smart jack to increase the amplitude of the signal received from the network before handing it off to the CSU This causes the signal on the receive pair to have a higher amplitude closer to the signal level in the transmit pair thus reducing the tendency to crosstalk Try to get the carrier to turn on this option Loss Of Signal Verify that a T1 circuit or device is connected to the por
48. lable or marked n a En equalization Selects the signal boost on the interface from the CSU to the customer DSX 1 equipment Use 0 133 if the cable to the DSX 1 device is less than 133 feet long This option is only applicable to ports with DSX 1 interfaces Ports 3 and 4 of a CIM 3003 are DSX 1 ports All 4 ports of a CIM 3068 present a DSX 1 interface The QUAD T1 module detects which type of CIM is fitted at power up and appropriate fields are available or marked n a NDn network density Selects the density enforcement technique Select none for a T1 port on which B8ZS T1 is used Select 12 5 for an AMI T1 facility NLn network initiated loop Determines whether the QUAD T1 module will respond to received requests for line loopbacks CSU loopback Select yes unless a specific reason exists to dis allow loopbacks A brief burst of errors will occur each time this option is changed If the QUAD T1 module is in a network service provider environment it may be desirable to inhibit loopbacks An alarm declare time sec Length of time in seconds alarms may exist before an alarm condition is declared Use zero to disable alarm reporting DLn FDL enable PRM enable Enables or disables the use of the 4K Facilities Data Link available only on an ESF T1 If this option is selected while the framing type is set to SF the following message is shown WARNING You are in SF
49. mmengeschaltet sind m ssen weiterhin den Vorschriften EN60950 1992 A4 1997 Absatz 6 2 fur Telecommunications Netz Spannung TNV Schaltkreize entsprechen This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications Le pr sent appareil num rique n met pas de bruits radio lectriques d passant les limites applicables aux appareils num riques de la class A prescrites dans le Reglement sur le brouillage radio lectrique dict par le ministere des Communications du Canada The Industry Canada label indentifies CS 03 certified equipment This certification means that the equipment meets certain telecommunications network protective operational and safety requirements Industry Canada does not guarantee the equipment will operate to the user s satisfaction Before installing this equipment users should ensure that it is permissibleto be connected to the facilities of the local telecommunications company The equipment must also be installed using an acceptable method of connection In some cases the company s inside wiring associated with a single line individual service may be extended by means of a certified connector assembly telephone extension cord The customer should be aware that compliance with the above conditions may not prevent degradation of service in some situations Repairs
50. odule C configure threshold Accesses the QUAD T1 Port Alarm Threshold Configuration Menu See Threshold Configuration Tn restore default threshold Sets the selected port back to the factory default values in effect turns off all alarm reporting for that port O display alarm buffer Produces a display of all the historical and current alarms stored in the QUAD T1 module See Display Alarm Buffer S alarm threshold status Produces a display which indicates which of the configurable thresholds have been exceeded during the current 15 minute interval See Threshold Status X exit this menu The user returns to the QUAD T1 Main Menu Threshold Configuration 5 8 When C is selected on the QUAD T1 Alarm Menu the QUAD T1 Port Alarm Threshold Configuration Menu is presented In the example menu shown below ports 1 and 2 have been set to recommended values while ports 3 and 4 were left at factory default values Verilink QUAD T1 User Manual Figure 5 5 Alarm Threshold Configuration Menu Diagnostics and Alarms QUAD T1 PORT ALARM THRESHOLD CONFIGURATION MENU Port 1 Port 2 Port 3 Port 4 Pn alarm reporting YES yes no no Fn LOF 15min threshold 2 2 3 3 Ln LOS 15min threshold 3 3 3 3 Rn RAI 15min threshold 1 1 1 1 An AIS 15min threshold 1 1 1 1 Bn BPV 15min threshold 1 1 1 1 En ES 15min threshold 35 35 900 900 ES 24hr threshold 500 500 86400 86400 Sn SES
51. oop Cn send LLB 62411 Sends a request for a loopback in the DSO payload using a pattern defined in Bellcore specification 62411 Produces a line loopback in the remote CSU that faces the local QUAD T1 module This loopback should work on a T1 facility which passes through a DACS Digital Access and Cross connect System An send LLB BOP Sends a request for a loopback in the 4K FDL Facilities Data Link portion of ESF framing Produces a line loopback in the remote CSU that faces the local QUAD T1 module This loopback will not work on a T1 facility which passes through a DACS unless the FDL portion of the ESF framing is mapped through the DACS NOTE If Performance Response Messages PRMs are enabled in the FDL configuration menu remote loopbacks may terminate after only a few seconds This happens because the ANSI T1 403 specification indicates that PRM messages should terminate a loopback To avoid this problem turn off PRMs before sending a request for a far end Line Loopback LLB or Payload Loopback PLB 5 2 Verilink QUAD T1 User Manual Diagnostics and Alarms Item Description Bn send PLB BOP Sends a request for a payload loopback in the 4K FDL portion of ESF framing Produces a loopback in the remote CSU that faces the local QUAD T1 module This loopback will not work on aT1 facility which passes through a DACS unless the FDL portion of the ESF framing is mapped through the DACS S
52. or if the cabinet has been damaged Verilink s product warranty covers repair or replacement of all equipment under normal use for a five year period from date of shipment Replacement products may be new or reconditioned Any replaced or repaired product or part has a ninety 90 day warranty or the remainder of the initial warranty period whichever is longer Our in house Repair Center services returns within ten working days Verilink offers the following services System Engineers at regional sales offices for network design and planning assistance 800 837 4546 Technical Assistance Center for free 24x7 telephone support during installation maintenance and troubleshooting 800 285 2755 and support verilink com To return a product it must be assigned a Return Materials Authorization RMA number before sending it to Verilink for repair 800 926 0085 ext 2282 Maintenance contracts and leasing plans 800 837 4546 Technical Training on network concepts and Verilink products 800 282 2755 and training verilink com Web site www verilink com This manual was written and illustrated by Steve Rider Contributing Writers and Editors Dave Fradelis Theresa Lau Marie Metivier and Barbara Termaat Verilink QUAD T1 User Manual Vv vi Verilink QUAD T1 User Manual Table of Contents OvervieW ii A venne en ia ide 1 1 SCOPE O A 1 1 Purpose and Use iia idas 1 1 Product Description 413220 A a Mean oleae 1 1 Management
53. place only with the same or equiv alent type recommended by the manufacturer Dispose of used batteries according to the manufacturer s instructions DANGER To avoid electrical shock in case of failure the power supply must be installed by a professional installer The terminal labeled with the ground symbol on the power supply must be connected to a permanent earth ground CAUTION Interconnecting circuits must comply with the requirements of EN60950 1992 A 4 1997 Section 6 2 for telecommunications network voltages TNV circuits ATTENTION Une explosion peut se produire si la batterie est remplac e d une facon incorrecte Remplacez la seulement avec le m me mod le de batterie ou un mod le quivalent selon les recommendations de manufacture Disposez de les batteries us es selon les instructions de manufacture ATTENTION Pour viter choc lectrique en cas de insucc s la provision de pouvoir doit tr install par un installeur professionnel Le terminal de la provision de pouvoir mar qu du symbol de terre doit connect a un circuit de terre permanent PRUDENT Les circuits doivent tr interconnect s de mani re ce que quipement continue a tr en agr ment avec EN60950 1992 A4 1997 Section 6 2 pour les circuits de voltage de liaisons d changes r seau par les t l communications TNV apres les connections de circuits ATTENCION La bateria puede explotar si se
54. rt any control leads Verilink provides two types of Craft cable Both versions of the Craft cable have an RJ 11 modular connector at one end The original cable has a female DB 25 connector at the other end and a more recent version has a DB 9 female connector Connect the RJ 11 modular connector to the port labeled LocaL on the front of the SCM module The original Craft cable pinout is shown in Table 3 1 Table 3 1 DB 25 Craft Cable P N 458 501788 008 DB 25 female RJ 11 modular Usage pin 2 pin 3 Transmit Data pin 3 pin 4 Receive Data pin 7 pin 5 Signal Ground Your computer may have a DB 9 connector for the COM port If it does use the DB 9 type Craft cable shown in Table 3 2 or use a second cable or adapter to complete the connection To adapt a DB 25 Craft cable to a DB 9 COM port use the same type of PC serial cable as would be used to connect to an external modem Verilink QUAD T1 User Manual 3 1 Configuration Log In 3 2 The current Craft cable uses DB 9 and RJ 11 connectors eliminating the need for a second cable when the COM port of aPC is used It is wired according to the pinout shown in Table 3 2 Table 3 2 DB 9 Craft Cable P N 458 102119 008 DB 9 female RJ 11 modular Usage pin 3 pin 3 Transmit Data pin 2 pin 4 Receive Data pin 5 pin 5 Signal Ground The first thing displayed after connecting a terminal and pressing the ENTER key or connecting v
55. rt should see a loopback condition If the customer equipment can report errors it should indicate that no errors are being received A T1 loopback plug can be made by placing two short jumper wires on a male RJ 45 connector where a cable would normally go One jumper is placed from pin 1 to pin 5 the other jumper connects pin 2 to pin 4 See Figure 5 3 for a drawing of an RJ 45 connector showing pin positions and wiring of a T1 loopback plug NOTE When using a T1 loopback plug it may be necessary to temporarily change the timing selection in the QUAD T1 module If the shelf is set to recover network clock from the port being tested it will be trying to recover a clock it is trying to recover The clock frequency will drift For this test the shelf should not be timed by the port being tested Verilink QUAD T1 User Manual Diagnostics and Alarms Figure 5 3 T1 Loopback Plug Verilink QUAD T1 User Manual 5 7 Diagnostics and Alarms Alarm Menu The QUAD T1 Alarm Menu is accessed by typing A at the QUAD T1 Main Menu Figure 5 4 Alarm Menu QUAD T1 ALARM MENU A card alarm reporting no C configure thresholds Tn restore default threshold 0 display alarm buffer S alarm threshold status X exit this menu A 0 0 0 2 1 4 QUAD T1 gt Table 5 3 Alarm Menu Options Item Description A card alarm reporting Toggles on and off reporting of alarms for the entire m
56. s reached After a value is entered for 15 minute intervals the user is prompted to set a threshold for 24 hour intervals Un UAS threshold Sets the number of Unavailable Seconds which will be tolerated in a 15 minute interval An alarm is declared when this value is reached After a value is entered for 15 minute intervals the user is prompted to set a threshold for 24 hour intervals Vn line restoral Meaningful only when a QUAD T1 port is mapped to an IMUX module this option selects the parameters for placing a T1 back into service if it has previously failed been removed from service and the alarm has now cleared Line restoral should be OFF if the port is not used to map data to an IMUX module other selections may interfere with voice signalling bits Possible values for line restoral are 1 OFF The port will not be placed back into service until a user visits this menu and changes this selection This selection has exactly the same effect as MANUAL 2 AUTO The port will be placed back into service when both the alarm has cleared and no new alarms have occurred for the period of time selected for Clear Interval below This is most often the desirable selection 3 MANUAL The port will not be placed back into service until a user visits this menu and changes this selection This selection has exactly the same effect as OFF 4 TOD Time Of Day The port will be placed back into service only at the
57. se reports all use the same format A typical 24 hour performance report is shown in Figure 4 3 Table 4 2 T1 24 Hour Performance Options Item Description En errored seconds A second during which 1 or up to 319 bit errors have been detected Un unavailable seconds Any second during which an Unavailable Signal State occurs This occurs after ten consecutive SES and clears only after ten consecutive nonSES Sn severely errored seconds A second with 320 or more CRC 6 error events or one or more OOF Out Of Frame events Dn LOF seconds A second during which a Loss Of Frame condition exists Fn SEF seconds A second with severely errored framing Zn AIS SEF seconds A second with unframed all ones or severely errored framing An AIS seconds A second during which an unframed pattern of all ones Alarm Indication Signal is received Ln LOS seconds A second during which a Loss Of Signal condition exists When this alarm condition is present ignore all other alarms and resolve the LOS condition Mn LOFC seconds An accumulated value equal to the number of times that a Loss Of Frame has been declared Loss Of Frame is declared when either LOS Loss Of Signal or OOF Out Of Frame is true for two to three seconds LOF is cleared only after 10 seconds with LOS and OOF not true Verilink QUAD T1 User Manual 4 3 Performance Item Description On OOF seconds A second
58. shold Status C display T1 Calls asubmenu that displays current See the section QUAD T1 Counter Menu counters values of three T1 counters X exit this menu Exits to menu above Returns the user to the Performance Menu T1 24 Hour Performance 4 2 TheT1 24 Hour Performance Menu is accessed by typing P at the T1 Port Performance Menu From this menu thirteen reports are available The T1 24 Hour Performance Menu is shown in Figure 4 2 and documented in Table 4 2 Verilink QUAD T1 User Manual Performance Figure 4 2 T1 24 Hour Performance Menu QUAD T1 24 HR PERFORMANCE MONITORING ES BES SES VAS LOF LOSS AISS Port 1 0 0 0 0 0 0 0 Port 2 0 0 0 0 0 0 0 Port 3 0 0 0 0 0 0 0 Port 4 0 0 0 0 0 0 0 En errored seconds Un unavailable seconds Sn severely errored seconds Dn LOF seconds Fn SEF seconds Zn AIS SEF seconds An AIS seconds Ln LOS seconds Mn LOFC seconds On OOF seconds Hn frame errors Qn errored seconds type A Rn reset registers Bn bursty errored seconds X exit this menu A 0 0 0 2 1 3 QUAD T1 gt T1 24 Hour Thetop portion of the T1 24 Hour Performance Menu shows the Performance total values over the last 24 hours for seven types of alarm Options conditions These are defined in Table 4 2 The options on the T1 24 Hour Performance Menu each produce a screen with information on a specific type of error condition for the previous 96 fifteen minute intervals 24 hours The
59. t indicating LOS Verify that a proper cable is used T1 circuits use pins 1 2 4 and 5 when presented in an RJ 45 connector Use a straight through cable 1 to 1 2 to 2 etc For a port facing a T1 circuit the smart jack network termination device may be in a loopback Examine the smart jack If it has an LED labelled Loop LP or LB and that LED is lit the smart jack is in a loopback Contact the network service provider For a port facing local DSX 1 equipment the equipment PBX channel bank etc may have stopped using the facility check status menus on that device Loss Of Frame In a new installation T1 circuits are often patched out at a carrier s DACS or switch until completely turned up In this case a pattern of unframed all ones AIS is kept on the T1 as a keep alive signal Contact the carrier and request that they normal up the circuit The QUAD T1 module must be optioned for the same type of framing as the T1 carrier is providing Framing can not be changed arbitrarily by the user Contact the carrier and verify the type of framing used on the T1 Verilink QUAD T1 User Manual 5 5 Diagnostics and Alarms Trouble Suggestion CRC errors ESF T1 circuits offer CRC 6 error checking as a means of detecting changes in data that occur on the T1 circuit If CRC errors are reported the errors are occurring at some point between the two CSUs Verify in house wiring as indicated abov
60. tern of unframed all ones A QUAD T1 port transmitted transmits all ones when it is in a local loop RAI Rx Tx Indicates whether Remote Alarm When received it indicates the remote device Indication is currently being received is in a Red Alarm condition LOS LOF AIS or transmitted RAI is also called The port will transmit RAI when it is in a state Yellow Alarm of LOF LOS or is receiving unframed all ones Slip Timing slip indicator Indicates whether timing slips have occurred during the current fifteen minute interval CRC6 Indicates whether the configured Cyclic Redundancy Check is an error checking threshold for ESF errors has been method used on ESF T1s only This status exceeded during the current 15 information is not applicable to SF T1 circuits minute interval CGA Indicates status of Carrier Group CGA is true if an LOS LOF or AIS condition Alarm exists Restore State Indicates in service or out of service IMUX modules will remove a T1 from service if status of each T1 port configurable alarm conditions occur P display Calls a submenu that gives access to Accesses 13 different types of reports and a performance data up to 24 hours worth of performance command to reset registers See the section statistics T1 24 Hour Performance T threshold Calls a submenu with counter values Indicates whether currently configured alarm status for seven alarm thresholds thresholds have been exceeded See the section Thre
61. time indicated in the TOD field below and only if it has been clear of alarms for the value indicated for Clear Interval below Tn TOD hh mm Sets the Time Of Day in 24 hour format that a T1 will be placed back into service if it is mapped to an IMUX module has previously failed and now meets the Clear Interval requirement Cn clear interval Length of time in seconds that a line must remain clear of configured alarms before it becomes eligible to be restored to service Range is 1 to 1000 seconds X exit this menu The user returns to the QUAD T1 Alarm Menu 5 10 Verilink QUAD T1 User Manual Diagnostics and Alarms Display Alarm When O is selected on the QUAD T1 Alarm Menu a screen is Buffer displayed with the alarms in the module memory This memory is cleared only when the module is powered off An example is shown in Figure 5 7 Figure 5 7 Alarm Buffer A 0 0 0 2 1 4 QUAD T1 gt 0 0 0 0 2 QUAD T1 01 04 Minor alarm T1 Port 1 Tl line LCV reach quarter threshold 9 08 98 5 23 09 0 0 0 2 QUAD T1 01 04 Minor alarm T1 Port 2 Tl line SES reach quarter threshold 9 08 98 5 23 04 Press Enter to continue Threshold Status When S is selected on the QUAD T1 Alarm Menu a screen is displayed with the current status of the configured alarm thresholds A typical display is shown in Figure 5 8 Figure 5 8 Threshold Status QUAD T1 NET PORT ALARM THRESHOLD STATUS
62. to certified equipment should be made by an authorized Canadian maintenance facility designated by the supplier Any repairs or alterations made by the user to this equipment or equipment malfunctions may give the telecommunications company cause to request the user to disconnect the equipment Users should ensure for their own protection that the electrical ground connections of the power utility telephone lines and internal metallic water pipe system if present are connected together This precaution may be particularly important in rural areas Caution Users should not attempt to make such connections themselves but should contact the appropriate electric inspection authority or electrician as appropriate This equipment is intended to be installed only in a Restricted Access Location that meets the following criteria Access can only be gained by service personnel or users who have been instructed about the reasons for the restrictions applied to the location and about any precautions that must be taken Access can only be gained through the use of a lock and key or other means of security and is controlled by the authority responsible for the location When handling this equipment follow these basic safety precautions to reduce the risk of electric shock and injury Follow all warnings and instructions marked on the product and in the manual Unplug the hardware from the wall outlet before cleaning Do not use liquid
63. ypes of CIM available with the QUAD T1 module are described in Table 1 3 and illustrated in Figure 1 2 Table 1 3 QUAD T1 CIM Types CIM Type Number of DS 1 Ports Number of DSX 1 Ports CIM 3003 2 2 CIM 3064 4 0 CIM 3068 0 4 Each of the CIMs used with the QUAD T1 module has a connector for use with an external alarm system In some large data centers and telco facilities an audible or visible alarm system is used to alert technicians to a problem Relays on the QUAD T1 module are used to either break or make a connection triggering this alarm system To trigger an alarm by a relay closure use the NO Normally Open and COM Common connectors If the alarm system triggers by a break in a circuit use NC Normally Closed and COM The relay contacts meet Form C specifications and are rated at 0 4A 125 VAC or 2A 30 VDC The relay is designed for non inductive loads See AS3000 The Basics for more information on alarm relays Verilink QUAD T1 User Manual Overview External Timing An 8 pin DIN connector on the CIM supports connection of an external timing source Use cable P N 458 501784 006 to connect to a module in another shelf as the timing source or cable P N 458 501786 003 for bare wire The timing source used must provide a 1 544 Mbit s signal Figure 1 2 QUAD T1 CIM Types

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