User’s Manual for Node M and Node C
Network Elements
Page 50 M0121A4A.doc
Connectors on the EAC-board
No Explanation
1
1, 2
USB connector for modem
2
1
Ethernet connector RJ45 for local and LAN web access
3 Internal DCM (DL) - DCM (UL) interface connection
4
1
Internal PSTN connector
5 Internal I
2
C (not used)
6 Battery disconnect button
7
1
External alarms, summary alarm LED & PSTN, see chapter 5.2.11.3
External Alarms
8
1
Summary alarm terminal;
for pin assignment see chapter 5.2.11.4 Summary
Alarm
9 Internal PSU and I
2
C connection
10 Internal I
2
C (used for electronic door label memory board)
11 Door switch connector
1
Only these connectors are for general customer use. All others designated above are for
informative purposes, and required, only, e.g. for an upgrade or replacement of parts.
2
Only one modem can be used at the same time.
Connectors on the DCM DL module
See chapter 5.2.10 Digital Channel Module (DCM).
No Explanation
DCM-A Fan connector (Node x43)
DCM-B
Vdc DL digital channel
module
DCM-C Battery backup connector
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