Document No. Z914 – C36000245 Ver. 1
Hand Book for Electronic Interlocking model K5BMC - Installation, Maintenance & Trouble Shooting -
25. Apr. 2014 P- 67/123
7.3 Basic block, LED indications and switch functions of Electronic Terminal Module
LED indications and switch functions of the card panel used in Electronic Terminal Module
are shown below. Carefully read and understand the following descriptions and handle
accordingly the card for replacement and fault repair.
7.3.1 Electronic Terminal
(1) LINE2B Card
NORMAL Meaning ----Terminal transmission & 5V power supply normal
Indication status----ON for normal, OFF for fault
RXD Meaning ----Reception from safety system
Indication status----ON during reception
TXD Meaning ----Transmission to safety system
Indication status----ON during transmission
LED 4 Meaning ----Terminal transmission normal
Indication status----ON for normal
LED 5 Meaning ----5V power supply normal
Indication status----ON for normal
System 1 System 2
NORNAL
RXD
TXD
LINE 2B LINE 2B
NORMAL
RXD
TXD
LED4
LED5
LED4
LED5
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