
Security Escort | Installation and Setup Guide |5.0 Testing
and Troubleshootin
EN | 44
Bosch Security Systems | 1/09 | 33831E
Symptoms Probable Cause Possible Solution
Communication
failures from
all
transponders.
1. Loss of power.
2. Cable from ProxLink
to computer.
3. ProxLink Radio
Module might be in
Programming Mode.
4. SE485 Module.
5. Cable from SE485.
6. ProxLink Radio
Module.
1. Check power to ProxLink from central console.
Also, if using SE485, check power to SE485
Module.
2. Must use 25 to 9 pin cable supplied from Proxim.
3. Unplug power to ProxLink and plug back in to re-
start ProxLink.
4. Check wiring between SE485 and computer, and
SE485 at ProxLink Radio Module. Transmit should
be going to receive and receive should be going
to transmit (RX+ to TX+, RX- to TX-).
5. Cable from SE485 to computer must be straight
through 25 pin to 25 pin or 25 pin to 9 pin
depending on your serial port on the back of the
computer. Do not use cable labeled for printer
or null modem cable. Replace cable if bad. Check
cable between SE485 and ProxLink Radio Module.
Replace if bad.
6. Check programming for central console ProxLink
Radio Module to be sure it is correct. If
everything else checks OK, replace ProxLink.
One
transponder in
communication
fail on
ProxLink Radio
Module link.
1. Transponder.
2. Cable from ProxLink
Radio Module to
transponder.
3. ProxLink Radio
Module.
4.
SE485.
1.
a. Check slide switch on transponder to make
sure it is in the RS-232 position.
b. Check DIP switch address for transponder to
be sure it corresponds with transponder data
base.
2. Replace cable.
3.
a. Check power to ProxLink. Make sure radio
power LED is lit.
b. Check antenna connection to ProxLink Radio
Module.
c. Check programming for ProxLink Radio Module.
d. Radio out of range or not in line of sight of
central console antenna.
e. Ice on antenna.
f. If antenna is remote from ProxLink, use RG8U
cable to prevent dB loss.
g. Replace ProxLink Radio Module.
4.
a. Check power to ProxLink to SE485.
b. Make sure slide switch on transponder is set
for SE485.
c. Check wiring from transponder to SE485 (RX+
to TX+, RX- to TX-). Make sure transmit goes
to receive and receive goes to transmit.
d. Replace SE485 Module.
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