GDI COMMUNICATIONS FLD2SA Series, Manual

Page 1: ...FLD2SA 1S FLD2SA 2S Manual Dual Port Fiber Optic Modem Standalone A00477 3 Rev A For FLD2SA A00197 3 Rev A and newer Serial numbers FLD 700084SA and up ...

Page 2: ...ommunications LLC By accepting this document the recipient assumes custody herof and agrees not to dislcose this data or any portion of this data to any unauthorized person without the prior written consent of GDI Communications LLC Recipient further agrees not to incorporate these drawings specifications or technical information in whole or in part in any other product or endeavor THIS LEGEND SHA...

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Page 5: ...LOSSARY 1 GENERAL DESCRIPTION 2 GENERAL CHARACTERISTICS 4 RJ45 TERMINATION TABLE 4 DB9F TERMINATION TABLE 4 INSTALLATION 6 CONFIGURATION SWITCHES 6 TYPICAL SYSTEM OPERATION 10 TYPICAL SYSTEM CONNECTIONS 11 ADJUSTMENTS 14 ...

Page 6: ...ex A communication system where data can be transmitted in both directions at the same time Half duplex A communication system where data can be transmitted in only one direction at a time Host Any DTE device Optical Port A data communications portal through which electrical data is transmuted to single frequency coherent light waves and then transmitted through a fiber optic cable 0 dBm Represent...

Page 7: ... the rotary switch S1 located at the rear of the modem Rotate S1 to 0 to deactivate Anti Streaming Anti Streaming is automatically reset when the controller stops transmitting However the Anti Streaming LED will remain on until the reset button S3 is pushed This allows the technician to see if a controller ever had a problem and allows the controller to operate normally if the problem clears itsel...

Page 8: ...ed When connecting between two next generation FLD2SA units no special cable is required An off the shelf CAT5 patch cable can be used but an internal switch must be set so one unit acts like a DTE and the connected unit responds like a DCE The signals between units are RS 232 and can be located up to 50 feet apart A custom cable is required when connecting to an older generation FLD2 ...

Page 9: ...EMP 37 to 74 C HUMIDITY 5 95 non cond BATTERY TYPE NiMH 5 AA Cells Or 9 V Lithium Holdup time 12 Hours Charge time 14 Hours 125 ma RJ45 Termination Table Pin Function 1 2 3 4 SGND 5 RXD 6 TXD 7 8 9 DB9F Termination Table EIA 232 EIA 485 Pin Function Function 1 DCD TXD 2 RXD TXD 3 TXD RXD 4 RXD 5 GND GND 6 RTS 7 RTS RTS 8 CTS CTS 9 CTS ...

Page 10: ...300 nm Single Mode LED ST FC is opt INDICATORS TXD Transmit data from the Local or Master RXD Receive Data to the Local Or Master EM1 Data is being sent on Emitter 1 EM2 Data is being sent on Emitter 2 D1 Data is being received On Detector 1 D2 Data is being received On Detector 2 A STR Anti streaming has Tripped BAT Battery Charge Status Steady on Charging Slow Blinking Trickle Charge PWR DC powe...

Page 11: ...STER mode the two fiber ports are in a parallel arrangement Both emitters are driven with TXD data from the host The data from both detectors drive RXD back to the hose When set to REMOTE mode the two fiber ports are in a serial configuration DET1 drives EM2 and DET2 drive EM1 The host s TXD data is routed to EM1 only and only DET1 drives the host s RXD data Switch 2 In the Disable position data f...

Page 12: ...the FLD2SA will need no further data routing However for other applications it may be necessary to turn CTS off when data is being transmitted from an upstream FLD2 This prevents data collisions in the downstream fiber path The following waveform shows how this works Normally when RTS is asserted CTS is asserted and the controller is enabled to transmit ...

Page 13: ...ion CTS is held off until the upstream controller has finished transmitting and the DET2 data is no longer present The time between when DET2 data stops and CTS is asserted is set by Switch 4 The STD time is 11ms and the FAST timing is 7ms ...

Page 14: ...nd control signals on the Expansion port RJ45 can be set to DCE or DTE depending on the topology A network can be expanded by connecting two FLDSAs together using a CAT5 patch cable Set the downstream FLD2SA to DTE and the upstream FLD2SA to DCE ...

Page 15: ...d together and routed to the DB9 connector as RXD Both fiber optic ports do not need to be used in this configuration However if channel two is not being used it should be disabled to prevent any spurious interference with channel one REMOTE MODE When the FLD2SA is set for the Remote Mode of operation data coming downstream from the Master comes in Detector 1 and is sent to Emitter 2 RXD and the R...

Page 16: ... s FLD2SA should be set to disable Detector 2 Center Master Notice that both end modems are set to Master mode and their Detector 2 disabled Notice that the end modem is also set to Master mode and its Detector 2 disabled This is to completely isolate fiber port 2 ...

Page 17: ...12 The following is an example of a extended network The Expansion port is used to link one FLD2SA to another FLD2 s expansion port ...

Page 18: ...ansion port of the Master FLD2SA is connected to the M14 connector of an FLD2SA that is plugged into the same controller chassis By using the C20 connector the expanded FLD2SA can operate in Master mode and drive both fiber ports This allows the master to drive four networks ...

Page 19: ...ting The only changes that may be required are the configuration switches This will have to be determined based on the controller operation A factory test procedure with full instructions on how to test and setup the modem will be provided on request ...

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Page 21: ...GDI COMMUNICATIONS LLC GDI FLD2SA 1S FLD2SA 2S MANUAL A00477 Rev A 879 Deming Way Sparks NV 89431 TELEPHONE 775 345 8000 FAX 775 345 8010 ...