| Signal Monitoring Equipments |
| 1. Signal
Transmitter |
 YJ-A
Fixed Signal Transmitter
YJ-A Fixed Signal Transmitter is used to monitor the locomotive depot,
to receive signals from locomotives in garage and to check the performance
of the signal display equipment. |
| 2. Track Circuit Testing Panel |
 PG-Testing
Panel for 25 Hz Detecting Track Circuit
PG-25 Testing Panel is used to test the phase difference and voltage
of the receiving end in 25 Hz Detecting Track Circuit. |
| 3. Grounding Current Testing Panel |
 Grounding
Current Testing Panel
Grounding Current Testing Panel tests the grounding current from the
power source. |
| 4. Insulation Testing Panel |
 PL
Insulation Testing Panel
PL Inculcation Testing Panel automatically detects whether or not
the signal cable is insulative. |
| 5. Alarms for Burnout of Filaments |
| The alarming system monitors and controls the performance of Light
Signals, and report the immediate burn-out of filaments. |
 ZB-32B
Autocoding Monitoring and Alarming System |
 ZB-32C
Autocoding Monitoring and Alarming System |
