Meridian America Link/Customer Controlled Routing - Manual (Page 84)

66 Chapter 4: Meridian Link/CCR hardware
553-3202-210 Standard October 1998
MVME333-2 X.25 communication controller (XCC) card
The MVME333-2 X.25 communication controller (XCC) card occupies the
second card slot in the front of the Application Module. This card supports
the synchronous data links to the Meridian 1. The XCC card contains the
following:
¥ an MC68010 microprocessor
¥ an MC68450 DMA controller
¥ 512 kbytes RAM
¥ up to 128 kbytes of ROM
There is a single red LED (Fail indicator) on the faceplate, as illustrated in
Figure 18. The LED lights when a hardware or LAPB/X.25 communication
software error occurs.