The craft interface is located on the front of the chassis above the FPC card cage, as shown in Figure 1. It houses the Routing Engine interface ports, which accept connections to external management and alarm-reporting devices.
The craft interface is field-replaceable, but is not hot-removable, hot-insertable, or hot-pluggable. You must power off the router before removing or installing it, as specified in Field-Replaceable Units (FRUs). The cables and wire that connect to the Routing Engine interface ports are hot-removable and hot-insertable.
To replace the craft interface and cables connecting to the Routing Engine interface ports, perform the following procedures: