ETHERLINK II - Repeater
Manual
Page 102 of 106
7.3.5
“Monitor” connector
Type: Sub-D9, female
Table 7
.4 “Monitor” connector.
Pin No.
Signal
Description (*- for Stand Alone devices)
1
DA_COM/FG*
Urgent-alarm contact / protection ground *
2
TXD
Transmit data (to the modem)
3
RXD
Receive data (from the modem)
4
ND_COM/COM* Non-urgent alarm contact / common contact *
5
SGND
Signal ground
6
DA_NC
Urgent alarm contact, normally closed
7
DA_NO
Urgent alarm contact, normally open
8
ND_NC
Non-urgent alarm contact, normally closed
9
ND_NO
Non-urgent alarm contact, normally open
7.3.6
“Monitor/TLM” connector XF4
Type
– RJ-45 (female), 8 pins.
Table 7.5
“Monitor/TLM” connector.
Top View
Pin
N
o
.
Signal
Description
(PC connector)
1
TLM1
Terminal for connection of the first dry loop
2
TLM2
Terminal for connection of the second dry
loop
3
RXD
Receive data (from the modem)
4
SGND
Signal ground
5
SGND
Signal ground
6
TXD
Transmit data (to the modem)
7
TLM3
Terminal for connection of the third dry loop
8
SGND
Signal ground
5
1
9
6
1
8
