Patton electronic 1180 Network Card User Manual
Contents
1. both modes available at all times Application Point to point Typical Link Budget 8 dB with 50 u cable 12 dB with 62 5 u cable Responsivity Minimum 0 12 A w LED Indicators TD RD RTS CTS Power Test Diagnostics Local and remote loopback Connectors DB 25 female RS 232 ST or SMA fiber Dimensions 4 127 w x 1 52 h x 5 0 Power Supply Wall mount 10VAC 700mA 15 APPENDIX C RS 232 INTERFACE STANDARD DIRECTION STANDARD DCE SETTING DIRECTION From Model 1180 From Model 1180 To Model 1180 To Model 1180 1 FG Frame Ground de di 2 TD Transmit Data Transmitting Timing 15 3 RD Receive Data Receiver Timing 17 4 RTS Request to Send 5 CTS Clear to Send 6 DSR Data Set Ready 7 SG Signal Ground 8 Data Term Ready DTR 20 DCD Data Carrier Detect Transmitting Timing LXC 24 To Model 1180 From Model 1180 To Model 1180 From Model 1180 From Model 1180 From Model 1180 162. the front panel toggle switch UP to Remote The test LED should glow B Perform a BERT bit error rate test on the system C If the BERT test equipment indicates a fault and the local loopback test was successful for both Model 1180s this suggests a problem with the fiber communication line connecting the modems You should then test the fiber line for proper connections and continuity 5 4 POWER DOWN Turn off the Model 1180 by simply unplugging the AC power adapter from the wall There is no power switch on the Model 1180 11 TD RD TD RD TX RX gt RD RX TX TD Local 1180RC Remote 1180RC In Normal Mode In Normal Mode TX Rx RD RX TX TD Local 1180RC In Loopback Mode Figure 7 Local and remote loopback test modes 12 Remote 1180RC In Normal Mode SYMPTOM LEDs do not light when AC power transformer is plugged into wall Carrier Detect CD LED is low or Carrier Detect CD LED is high but 1180s are not communicating APPENDIX A TROUBLESHOOTING PROBLEM Loose power connection Outlet is defective AC power cord is defective AC transformer is not plugged into the Model 1180 If CD is low possible synchronization loss Test Mode switch is in the wrong position DIP switches are set improperly Fiber link is connected improperly RS 232 connections are faulty or cables are pinned wro
3. USER MANUAL MODEL 1180 Single Fiber Short Range Modem _ ElactroniesTa Part 07M1180 B SALES OFFICE Doc 017071UB 301 975 1000 da SIG TECHNICAL SUPPORT 301 975 1007 1 0 WARRANTY INFORMATION Patton Electronics warrants all Model 1180 components to be free from defects and will at our option repair or replace the product should it fail within one year from the first date of shipment This warranty is limited to defects in workmanship or materials and does not cover customer damage abuse or unauthorized modification If this product fails or does not perform as warranted your sole recourse shall be repair or replacement as described above Under no condition shall Patton Electronics be liable for any damages incurred by the use of this product These damages include but are not limited to the following lost profits lost savings and incidental or consequential damages arising from the use of or inability to use this product Patton Electronics specifically disclaims all other warranties expressed or implied and the installation or use of this product shall be deemed an acceptance of these terms by the user 1 1 RADIO AND TV INTERFERENCE The Model 1180 generates and uses radio frequency energy and if not installed and used properly that is in strict accordance with the manufacturer s instructions may cause interference to radio and television reception The Model 1180 has been tested and found to comp
4. e fiber cable Depending upon the data rate setting you select your cable may be a maximum of 2 5 or 5 Km long The fiber cable connects to each Model 1180 using either an ST or an SMA connector Figure 5 shows a close up of both connector types s alignment pin faces down Figure 5 Close up of ST and SMA connections 4 2 RS 232 CONNECTION The Model 1180 is configured as a DCE Therefore it wants to connect to a DTE When connecting the Model 1180 to DTE hardware such as a PC host or terminal use a straight through RS 232 cable When connecting the Model 1180 to DCE hardware such as a modem multiplexer or printer use a null modem RS 232 cable The diagrams below show some typical RS 232 null modem wiring configurations Consult your hardware user manual for the specific pin configuration you need Local Software Handshaking RS 232 DCE Model 1180 DB 25 Pin No DB 25 Pin No EEE EE 1 ES 3 ER RE RE 2 4 4 5 Ls 6 6 8 H 8 20 20 RS EEE 7 Local Hardware Handshaking RS 232 DCE Model 1180 DB 25 Pin No DB 25 Pin No pe EE laa eee tc 1 ER 3 EE ee Seen ae 2 Genre 5 Peder td st 4 a 20 Ls 2 6 s RE EEE 7 5 0 OPERATION Once you have configured each Model 1180 properly see Section 3 0 and connected the fiber and RS 232 cables see Section 4 0 you are ready to operate the units This section describes reading the LED status monitors power up and using the buil
5. ly with the limits for a Class A computing device in accordance with the specifications in Subpart J of Part 15 of FCC rules which are designed to provide reasonable protection from such interference in a commercial installation However there is no guarantee that interference will not occur in a particular installation If the Model 1180 does cause interference to radio or television reception which can be determined by turning the power off the user is encouraged to try to correct the interference by one or more of the following measures moving the computing equipment away from the receiver re orienting the receiving antenna and or plugging the receiving equipment into a different AC outlet such that the computing equipment and receiver are on different branches 1 2 SERVICE All warranty and non warranty repairs must be returned freight prepaid and insured to Patton Electronics All returns must have a Return Materials Authorization number on the outside of the shipping container This number may be obtained from Patton Electronics Technical Service at 301 975 1007 Packages received without an RMA number will not be accepted Patton Electronics technical staff is also available to answer any questions that might arise concerning the installation or use of your Model 1180 Technical Service hours 8AM to 5PM EST Monday through Friday 2 0 GENERAL INFORMATION Thank you for your purchase of this Patton Electronics product This
6. ng 13 SOLUTION Make sure the AC connection is flush Try a different outlet Remove the cord from the outlet and check for continuity Plug transformer into Model 1180 Check for ongoing power loss or break in fiber if CD does not go high within 60 seconds Make sure the Test Mode switch is set to NORMAL on both Model 1180s Check all DIP switch settings esp Reset and Data Rate against Section 3 make sure both Model 1180s are configured the same way Check the ST or SMA connection on the back of both Model 1180s Check RS 232 cable continuity and pinning SYMPTOM Data passes but hardware flow control doesn t work Model 1180s work in async mode but not sync mode PROBLEM Incorrect DIP switch setting Incorrect DIP switch setting 14 SOLUTION Switch 7 must be in the ON condition for hardware flow control signals to pass between Model 1180s both units must be set the same way Switch 8 internal external clock must be set the same way for both Model 1180s APPENDIX B SPECIFICATIONS Transmission Format Asynchronous or synchronous Range 2 5 Km at all data rates 5 Km at specified data rates Data rates 0 to 38 4 Kbps async 2 4 9 6 19 2 38 4 56 64 192 and 256 Kbps sync Interface EIA RS 232 CCITT V 24 Transmit Mode Single 62 5 or 50 u core multi mode fiber cable Clocking Internal or external Handshaking Software X ON X OFF or hardware RTS CTS
7. panel switch The local loopback test is used to evaluate the RS 232 to modem connection The remote loopback test is used to evaluate the condition of the connection between the modems 3 0 CONFIGURATION The Model 1180 uses a set of eight external DIP switches that allow configuration to a wide range of applications Because all eight switches are in one externally accessible DIP package there is no need to open the Model 1180 s case for configuration The switches allow you to control data rates and clocking methods Figures 1 2 and 3 summarize the switch locations positions and functions FRONT r NO REAR Figure 1 Switch locations underneath Model 1180 Saaana Figure 2 Close up of 1180 DIP switch package showing OFF ON positions SWITCH SUMMARY TABLE Position Function Factory Default Switch 1 RESERVED Off Switch 2 Data Rate Sync Mode On Switch 3 Data Rate Sync Mode Off Gigs Switch 4 Data Rate Sync Mode Off Async 2x Switch 5 Data Rate Sync Mode On Switch 6 Reset Off Operating Mode Switch 7 Handshaking On Control Signal Mode Switch 8 Clocking Method Off Internal Clock Figure 3 Summary of switch settings showing factory defaults 3 1 DETAILED SWITCH SETTINGS This section provides detailed information about
8. product has been thoroughly inspected by Patton s qualified technicians If any questions or problems arise during installation or use of this product please do not hesitate to contact Patton Electronics Technical Support at 301 975 1007 2 1 FEATURES Operates over a single optical fiber e Synchronous or asynchronous operation Loopback diagnostics e Asynchronous data rates to 38 4 Kbps e Synchronous data rates to 256 kbps e Distances to 5 Km Internal or external clocking e Hardware and software flow control Tri state front panel LEDs Available with ST or SMA connectors 2 2 DESCRIPTION The Model 1180 Single Fiber Short Range Modem accomplishes point to point RS 232 communication over a single optical fiber Supporting synchronous data rates to 256 Kbps and asynchronous data rates to 38 4 Kbps the Model 1180 automatically adapts to hardware or software flow control Synchronous timing can be set for internal or external clock The Model 1180 features extended data rate circuitry that allows for single fiber distances between 2 5 and 5 Km Optical fiber may be connected to the Model 1180 using an ST or SMA type interface The Model 1180 encodes the electrical signal using 3B4B modulation The electrical signal is then converted to an optical signal and transmitted using an 880 nm light emitting diode The Model 1180 features two test modes local and remote loopback These loopback tests are activated via a front
9. set Switch 6 lets you reset the Model 1180 without powering down the unit The default position of the switch allows normal operation Switch 6 On Reset Condition Off Operating Condition Switch 7 Handshake Mode The setting for switch 7 determines whether the Model 1180 operates in Control Signal Mode or Standard Modem Mode In Control Signal Mode the two Model 1180s pass RTS CTS and DTR DSR between each other over the fiber link In Standard Modem Mode handshaking only occurs between each Model 1180 and its DTE not over the fiber link Switch 7 On Control Signal Mode Off Standard Modem Mode continued 5 Switch 8 Clocking Method Switch 8 is used to specify the clocking method The Model 1180 can provide an internal clock pin 15 or receive an external clock from pin 24 Switch 8 On External Clock Off Internal Clock 4 0 INSTALLATION The Model 1180 is easy to install After configuring the DIP switches simply connect the single fiber cable hook up the RS 232 interface and plug the power supply adapter into the 1180 Figure 4 shows the location of the interface connections on the Model 1180 rear panel Powered Short Range Modem Made In The USA D my Power RS 232 Interface Fiber Figure 4 Rear panel of Model 1180 showing interface connections 4 1 SINGLE FIBER CONNECTION These short range modems are designed to work in pairs You will need one at each end of single multi mod
10. t in loopback test modes 5 1 LED STATUS MONITORS The Model 1180 features six front panel status LEDs that indicate the condition of the modem and communication link Figure 6 shows the front panel location of each LED Following Figure 6 is a description of each LED s function PRIT UN B Electrenics Te Model 1180 Single Fiber Modem Test fa od Normal Local Remote Figure 6 Front view of Model 1180 The green Power LED glows if power is applied to the modem e The green Test Modes LED indicates that the modem is in a test mode The TD and RD indicators blink red and green with data activity Red indicates a low RS 232 logic level green indicates a high RS 232 logic level Note RS 232 devices idle in a low state so the LED will glow red if the connections are correct and the RS 232 device is in an idle state e The RTS and CD indicators are also tri state and glows red for a low signal or green for a high signal RTS lights for an incoming signal on RS 232 pin 4 CD lights for an incoming signal on the line side and the resulting output signal on RS 232 pin 8 5 2 POWER UP SYNCHRONIZATION Apply AC power to the Model 1180 by plugging the separate AC power adapter first into the rear panel outlet of the Model 1180 and then into an acceptable AC power outlet There is no power switch on the Model 1180 When the power LED is glowing stead
11. the function of each DIP switch and lists all possible settings Use this section as configuration guide for applications where the Model 1180 s default would not provide correct results Switch 1 Reserved for Future Use Switches 2 though 5 Data Rate Sync Mode Switches 2 through 5 determine two configuration parameters synchronous or asynchronous data rate and the mode of synchronization Sync Mode between two Model 1180s The Sync Mode setting active in both asynchronous and synchronous operating modes defines the packet length of the data stream between the two Model 1180s Simply put the 2X setting doubles the space between data packets when compared with the 1X setting A Sync Mode setting of 2X facilitates communication distances up to 5 Km A Sync Mode setting of 1X limits communication distances to 2 5 Km The following table shows every possible data rate Sync Mode switch setting for the Model 1180 Switch2 Switch3 Switch4 Switch5 Data Rate Sync Mode On Off Off On 0 19 2 2X Asynchronous On Off Off Off 0 38 4 1X Asynchronous On On On Off 2 4 1X Off On On Off 9 6 1X Off On On On 9 6 2X On On Off Off 19 2 1X On On Off On 19 2 2X Off On Off Off 38 4 1X Off On Off On 38 4 2X On Off On Off 48 0 1X On Off On On 48 0 2X Off Off On Off 56 0 1X Off Off Off Off 64 0 1X Off Off Off On 64 0 2X Off Off On On 192 0 1X On On On On 256 0 1X Switch 6 Re
12. the terminal screen To perform a local loopback test follow these steps 10 A Activate local loopback by moving the front panel toggle switch DOWN to Local Once local loopback is activated the Model 1180 transmit output is connected to its own receiver The test LED should glow Note Even though the local Model 1180 cannot communicate with the remote Model 1180 in this mode the synchronized connection between the two modems remains intact B Verify that the data terminal equipment is operating properly and can be used for a test If a fault is indicated call a technician or replace the unit C Perform a BERT bit error rate test on each unit If the BERT test equipment indicates no faults and the data terminal indicates a fault follow the manufacturer s checkout procedures for the data terminal Also check the RS 232 interface cable between the terminal and the Model 1180 5 3 2 REMOTE LOOPBACK The remote loopback test checks the performance of both the local and remote Model 1180s and the communication link between them Figure 7 Any characters sent to the remote Model 1180 in this test mode will be returned back to the originating device For example characters typed on the keyboard of the local terminal will appear on the local terminal screen after having been passed to the remote Model 1180 and looped back To perform a remote loopback test follow these steps A Activate remote loopback by moving
13. y the Model 1180 is powered up Note Make sure the front panel toggle switch on both Model 1180s is set to NORMAL After both the local and remote Model 1180s are powered up a synchronization process must occur between the two modems before a link can be established Depending upon a number of factors this synchronization process can take as long as 60 seconds Any time one of the Model 1180s loses power i e in a lightning storm the local and remote units must re synchronize before they can resume data transmission Note If your application cannot tolerate a 60 second synchronization phase turn the front panel Test Modes switch to REMOTE and then back to NORMAL to synchronize the units in a maximum of 250 mS When the local and remote Model 1180s are both powered up and are passing data normally the following LED conditions will exist PWR green e TD amp RD flashing red and green RTS amp DCD green TEST off 5 3 LOOPBACK TEST MODES The Model 1180 offers two loopback test modes to evaluate the condition of the modems and the communication link These tests are activated from the front panel 5 3 1 LOCAL LOOPBACK The local loopback test checks the operation of the local Model 1180 and is performed separately on each unit Any data sent to the local Model 1180 in this test mode will be echoed returned back to the user device For example characters typed on the keyboard of a terminal will appear on
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