Troubleshooting Transponders, Points, Receivers, And Alert Units; Common Errors; Built-In Troubleshooting Aids; Receiver - Bosch Security Escort SE2000 Series Training Manual

Security Escort
7 Troubleshooting transponders, points, receivers, and
alert units
7.1

Common errors

1.
2.
3.
4.
5.
6.
7.
8.
9.
10. Forgot to put on the tamper spring.
7.2

Built-in troubleshooting aids

7.2.1

Receiver

Jumpers
There are two groups of jumpers on the EA102A-304 receiver. The first group contains jumpers
P1 through P3. The second contains jumpers P4 through P8. The function of each jumper is
indicated in the table below:
Jumper
Robert Bosch (SEA) Pte Ltd
Wrong type of cable. You must use twisted pair cable. Common errors are that twisted
pairs are not used or separate wires from more than one pair is used.
Check to see if + and – are reversed or if TX and RX are reversed.
The correct connections from the SE485 to the transponder are: RX+ to TX+ and RX- to
TX-.
The cable should be straight through to your computer serial port connector. Do not use
a null modem cable or a cable marked for printer use.
Switch set in the wrong position.
DIP switch settings incorrect.
Power Jumper not on.
ON/OFF switch not ON.
Wrong point address.
Operation with Jumper in Place
Troubleshooting transponders, points, receivers, and alert units | en
Training Manual
93
2017.08 | V2.18.1.0 | DOC