2-4
The CPU Card (see Figure 2-2) mounts onto the master motherboard. The CPU card
contains an Ethernet service port, an LCD user interface connection, and a serial port for a
service modem.
Figure 2-2. CPU Card (566-719)
The master motherboard is also commonly used to mount the Network Interface Card
(NIC), for 4100 networking operations. The NIC can be installed with the 4100-6056
Wired Media Card and/or the 4100-6057 Fiber Media Card.
Continued on next page
Introduction to FIPs (4100ES), Continued
CPU Card
Additional Modules