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Appendix A: Connector Pinouts
122188-10 A0 Telect, Inc.
A-3
ETHERNET CONNECTOR
EXTERNAL ALARM CONNECTOR
Pin Signal
1TX+
2TX-
3RX+
4 Not Used
5 Not Used
6RX-
7 Not Used
8 Not Used
Green LED LAN Link
Yellow LED LAN Activity
Pin Label Definition
1 MNR NC
Minor Alarm Relay
Normally Closed Contact
2 MNR COM
Minor Alarm Relay
Common Contact
3 MNR NO
Minor Alarm Relay
Normally Open Contact
4MJR NC
Major Alarm Relay
Normally Closed Contact
5 MJR COM
Major Alarm Relay
Common Contact
6MJR NO
Major Alarm Relay
Normally Open Contact
7CRT NC
Critical Alarm Relay
Normally Closed Contact
8CRT COM
Critical Alarm Relay
Common Contact
9CRT NO
Critical Alarm Relay
Normally Open Contact
1
8
G
reen
LED
Yellow
LED
NOTE: SET PORT TO HALF-
DUPLEX MODE.
19
MJR
MNR CRT