Omron GRT1-ML2 Hardware Reference Manual page 146

Hardware reference
/i
Terminal/LED Label
A TX1
B TX2
C POWER
D SW
E CN1 & CN2
F CN3
LED indicators
/i
LED Description
POWER Lit: Power on
Not lit: No power
TX1 Lit: Communication via CN1
Not lit: No communication via CN1
TX2 Lit: Communication via CN2
Not lit: No communication via CN2
MECHATROLINK-II connectors
Use one MECHATROLINK-II connector (CN1 or CN2) to connect the
repeater to the master-side network, i.e. the part of the network that had the
TJ1-ML__. Use the other connector to connect the repeater to the network
extension.
Both connectors have a built-in terminator.
Power supply connector
Connect an external 24 VDC power supply to the power supply connector
(CN3).
HARDWARE REFERENCE MANUAL
Description
CN1 communication indicator
CN2 communication indicator
Power indicator
Dipswitch
MECHATROLINK-II connectors
Power supply connector
fig. 89
B
F
E
D
C
A
141