Sel 411L - Figure 2.34 Typical EIA-422 Interconnection; Figure 2.35 Typical G.703 Codirectional Interconnection

P.2.40
SEL-411L Relay Protection Manual Date Code 20151029
Installation
Connection
Figure 2.34 Typical EIA-422 Interconnection
Figure 2.35 Typical G.703 Codirectional Interconnection
* Ground cable shield at the multiplexer
Relay (Local)
Multiplexed
Network
Relay
25-Pin Male
2 TXDA
14 TXDB
3 RXDA
16 RXDB
17 RXCA
9 RXCB
15 TXCA
12 TXCB
7 COMMON
SHLD*
Relay (Remote)
EIA-422 EIA-422
Multiplexer Channel Card
or Adapter Module
Multiplexer Channel Card
or Adapter Module
Relay
25-Pin Male
TXDA 2
TXDB 14
RXDA 3
RXDB 16
RXCA 17
RXCB 9
TXCA 15
TXCB 12
COMMON 7
SHLD*
* Ground cable shield at the multiplexer
Relay (Local)
Multiplexed
Network
Relay
25-Pin Male
SHLD*
Relay (Remote)
G.703
codirectional
G.703
codirectional
Multiplexer Channel Card
or Adapter Module
Multiplexer Channel Card
or Adapter Module
Relay
25-Pin Male
2 TXDA TXDA 2
14 TXDBTXDB 14
3 RXDA RXDA 3
16 RXDB RXDB 16
SHLD*