Understanding the CIP ! 383
Chapter 29: Monitoring the CIP
The upper set of ports, labeled HOST0, connect to the Routing Engine in slot RE0,
and the lower set of ports, labeled
HOST1, connect to the Routing Engine in slot
RE1.
Each
HOST port set includes the following ports:
! ETHERNET—Connects the Routing Engine through an Ethernet connection to a
management LAN (or any other device that plugs into an Ethernet connection)
for out-of-band management. The port uses an autosensing RJ-45 connector to
support both 10-Mbps and 100-Mbps connections. Two small LEDs on the left
edge of the port indicate the connection in use: the amber LED lights for a
10-Mbps connection and the green LED lights for a 100-Mbps connection.
! CONSOLE—Connects the Routing Engine to a system console through an
RS-232 (EIA-232) serial cable.
! AUXILIARY— Connects the Routing Engine to a laptop, modem, or other
auxiliary device through an RS-232 (EIA-232) serial cable.
At the center of the CIP are two ports labeled BITS A and BITS B. These are the BITS
connectors to the MCS. The router does not support BITS input, so these ports
currently do not function.
The CIP has two sets of alarm relay contacts for connecting the router to external
alarm devices. Whenever a system condition triggers either the red or yellow alarm
on the craft interface, the alarm relay contacts are also activated. The alarm relay
contacts are located below the BITS interface ports.
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