WDS P20, Installation And Operation Manual

Page 1: ...Installation and Operation Guide Redundant Transceiver Chassis WDS P20...

Page 2: ...0 where xx is the first two digits of transceiver model number to configure transceiver for Redundant Station operation Repeat for Transceiver B Record all parameters on a label and affix the label to...

Page 3: ...ant Transceiver Chassis Shipment 10 5 2 Installation Overview 10 5 3 Installing Transceivers 11 5 4 Connecting Wiring 12 5 5 Programming the Transceivers 14 5 6 Configuring the Redundant Transceiver C...

Page 4: ...o achieving total customer satisfaction in everything we do Total Customer Satisfaction in Conception design manufacture and marketing of our products Services and support we provide to our internal a...

Page 5: ...nfigured and started up operation of the P20 Redundant Transceiver Chassis is completely automatic Operator actions are limited to observing the rear LED status indicators for proper operation and sel...

Page 6: ...in a P20 chassis the last two digits of the model number change to 20 For example when the WDS 4710 is installed in a P20 chassis the combination is referred to as an WDS 4720 Other WDS transceivers...

Page 7: ...h a single antenna or with two antennas for continued operation if the primary antenna becomes damaged or is otherwise inoperative 1 Single antenna port The port is automatically connected to the acti...

Page 8: ...zero Eight bits plus start stop and parity bits usually comprise a byte Bits per second See BPS BPS Bits per second A measure of the information transfer rate of digital data across a communication ch...

Page 9: ...anticipated under most conditions Provides an allowance for reduced signal strength due to multipath slight antenna movement or changing atmospheric losses A fade margin of 20 to 30 dB is usually suf...

Page 10: ...host or as an RTU Programmable Logic Controller See PLC Remote Station A radio in an MAS network that communicates with an associated master station Remote Terminal Unit See RTU Redundant Operation A...

Page 11: ...tation to ensure uninterrupted receipt of data from remote radios Although a single transceiver is most commonly used at remote sites Section 4 2 a Redundant Transceiver Chassis may be used for increa...

Page 12: ...rm a repeater station Figure 5 This is sometimes required in a network that includes a distant remote station that would otherwise be unable to communicate with the master station due to distance or t...

Page 13: ...s A detailed discussion on the effects of terrain is given in the transceiver s Installation and Operation Manual 5 0 INSTALLATION This section presents installation steps for Installing transceiver s...

Page 14: ...he contents of a typical Redundant Transceiver Chassis shipment Invisible place holder Figure 6 P20 Redundant Transceiver Chassis typical shipment 5 2 Installation Overview NOTE The internal back up b...

Page 15: ...er of the Redundant Transceiver Chassis by loosening the two screws at the rear panel 3 If a backup battery is installed in the chassis be sure it is discon nected from the battery control board 4 Rem...

Page 16: ...ms Figure 8 shows a rear view of the Redundant Transceiver Chassis Refer to this illustration when making the rear panel wiring connections described in Steps 2 through 6 Invisible place holder Figure...

Page 17: ...ont panel radio selection switch must also be in the AUTO position An expanded list of pin functions is provided in the transceiver s Installation and Operation Manual Invisible place holder Figure 9...

Page 18: ...Chassis rear panel showing A and B power supply connections 5 5 Programming the Transceivers Use these instructions to initialize each transceiver within the chassis using a Hand Held Terminal HHT Rev...

Page 19: ...an opportunity to reset the selection switch to the proper setting in a later step b On the rear panel disconnect the HHT from the DIAG NOSTICS A connector and reconnect it to the DIAG NOSTICS B conn...

Page 20: ...y most antennas directly above and below their driven elements Another interference reduction technique is to cross polarize the repeater antennas If one antenna is mounted in the vertical plane and t...

Page 21: ...quipment rack Choose a mounting location that provides easy access to the rear panel connectors and an unobstructed view of the LED status indicators also on the rear panel Figure 13 shows the dimensi...

Page 22: ...tatus panel s for the proper indications The LEDs can be seen through the Redun dant Transceiver Chassis s viewing slots Figure 15 Figure 16 and Table 3 describe the LED appearance for spread spectrum...

Page 23: ...ction Invisible place holder Figure 15 LED viewing slots In a normally operating system the following LED indications will be seen within 16 seconds of start up PWR lamp lit continuously SYNC lamp lit...

Page 24: ...t to the DB 25 connector RXD Indicates EIA 232 space logic high signal output from the DB 25 connector PWR DCD TXD RXD Table 4 LED status indicators for non spread spectrum transceivers LED Name Descr...

Page 25: ...ce with two knurled thumbscrews at each side of the module To remove a power supply loosen the two captive screws and slide the unit straight out There are no cables to disconnect as the mod ules are...

Page 26: ...Backup Battery 28 1575A03 if present can be removed by loos ening the bracket that holds it to the chassis and disconnecting its push on terminals Use care not to short the battery terminals during r...

Page 27: ...HT connected to P 20 chassis 15 interface connector pins 13 LED status indicators non spread spectrum transceivers 20 LED status indicators spread spectrum transceivers 19 LED viewing slots 19 model c...

Page 28: ...lection switch illustrated 18 Rear panel connections illustrated 12 power supply connections illustrated 14 Redundant operation defined 6 Redundant Station repeater system configuration using illustra...

Page 29: ...NOTES...

Page 30: ...NOTES...

Page 31: ...air and align your radio to its proper operating specifications If return of the equipment is necessary you will be issued a Returned Material Authorization RMA number The RMA number will help expedit...

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