Verilink NCM 2000 (880-502623-001) Product Manual - Manual (Page 17)

NCM Overview
Verilink NCM 2000 1-7
Table 1-3 Table 1-3 Table 1-3 Table 1-3 NIM 2000 Connectors NIM 2000 Connectors NIM 2000 Connectors NIM 2000 Connectors
Alarm Relay The NIM rear panel provides external timing input and alarm relay
outputs. The Form C alarm relay provides normally open (NO),
normally closed (NC), and common (CO) contacts. The relay is
triggered by alarms that may occur within the node, including the
failure of one NCM in a node with redundant NCMs.
Figure 1-3 NIM 2000 Rear Connector Module, Rear Panel
NOTE: For convenience, the PRI and EXT ports on the NIM rear panel are
redundant to the same connectors on the front panel of the NCM.
Craft Interface
The NCM Craft interface is a menu-driven user interface. It can be
accessed locally, or remotely via Telnet over SLIP or Ethernet.
An NCM installed in each node unifies a network via inband
management. A local NCM can support a terminal session extended
to the remote NCM. The remote NCM in turn, can communicate
with the firmware of the applications modules in its node.
Each local NCM can manage a node of up to four shelves containing
up to 51 modules.
Figure 1-4 shows an example T1/E1 Dual CSU application.
Port Label on NIM 2000 Interface Connector Protocol Support
Ext Timing Input Balanced RS-422 8-pin DIN 1.544 MHz clock input to NCM
Alarm Relay Relay closure or open Form C
Relay
Make/Break to external alarm equip
SLIP RS-232 DB-25 TCP/IP/Telnet/SNMP/FTP over
asynchronous SLIP @ 9600 bit/s
Management PRI RS-232 RJ-45 ACP management over RS-232
Management EXT RS-232 RJ-45 ACP management over RS-232
Ethernet 10 Mbit/s Ethernet AAUI TCP/IP/Telnet/SNMP/FTP via external
Ethernet transceiver (supplied)
ALARM
RELAY
NO COM NC
311-
10X
X
X
X
001
INPUT
EXT TIMING
SLIP ETHERNET PRI EXT
NIM 3
000
DB-25 male
Dual RJ-45 AAUI-14 female