Ea500 Transponder Bus Faults - Bosch Security Escort SE2000 Series Training Manual

102 en | Troubleshooting transponders, points, receivers, and alert units
Symptoms
Communication failures from
all transponders.
Tab. 7.6: Transponder communication with Moxa/Lantronix device
7.3.4

EA500 transponder bus faults

2017.08 | V2.18.1.0 | DOC
Probable Cause
Loss of power.
Cable from Moxa device to
transponder.
Cable from Lantronix device
to transponder.
Moxa/Lantronix device might
not be running.
Cable from Moxa/Lantronix
device to Ethernet network.
Training Manual
Security Escort
Possible Solutions
Check power to Moxa/
Lantronix device.
Must use standard 9 pin
female to 9 pin male cable.
Must use modified 25 pin
male to 9 pin male cable.
Refer to the Lantronix wiring
notes.
Unplug power to Moxa/
Lantronix device and plug
back in to restart Moxa/
Lantronix device.
Check Ethernet cable
between Moxa/Lantronix
device and Ethernet network.
Replace if cable is bad.
Robert Bosch (SEA) Pte Ltd