3-35
Software Configuration Guide for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers
OL-1957-03
Chapter 3
Configuring with the Command-Line Interface
Configuring the NM-AIC-64, Contact Closure Network Module
Figure 3-2
TL1 and SNMP Message Flow in a DCN Application
Serial Communication Channels
As illustrated in
Figure 3-3
, the AIC has two serial communications channels that provide different types
of interfaces to Cisco IOS software:
•
Serial data channel
•
Asynchronous craft port
Figure 3-3
OS Boundary into the AIC
SNMP
37874
DCN
Data Center
OSS in NOC
TL1 or SNMP
NOC
37875
SNMP
Remote CLI
Local CLI
Serial
Data Channel
AIC IP 5.5.5.1
Cisco router
IOS
Packet sent by NOC
Dest IP address
5.5.5.1
TL1
SNMP
TFTP
TELNET
.... on
Ether port
IP
Asynchronous
Craft Port
IOS boundary