Bosch Security Escort SE2000 Series Training Manual page 100

100 en | Troubleshooting transponders, points, receivers, and alert units
Symptoms
Communication failures from
all transponders.
2017.08 | V2.18.1.0 | DOC
Probable Cause
Loss of power.
Cable from ProxLink to
computer.
ProxLink Radio Module might
be in Programming Mode.
SE485 Module.
Cable from SE485.
ProxLink Radio Module.
Training Manual
Security Escort
Possible Solutions
Check power to ProxLink
from Central Console. Also, if
using SE485, check power to
SE485 module.
Must use 25 to 9 pin cable
supplied from Proxim.
Unplug power to ProxLink
and plug back in to re-start
ProxLink.
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-).
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.
Check programming for
Central Console ProxLink
Radio Module to be sure it is
correct. If everything else
checks OK, replace ProxLink..
Robert Bosch (SEA) Pte Ltd