After you have installed the router into the rack, attach one or more external devices to the ports on the craft interface that connect to the Routing Engines for management and service operations (see Figure 43). For specifications for the cable accepted by the Routing Engine management ports, see Routing Engine Interface Cable and Wire Specifications.
Figure 43: Routing Engine Management Ports and Alarm Relay Contacts
To connect external devices to the Routing Engine management ports, perform the procedures described in the following sections:
