SystemController cards Page217 of 544
Option11C and 11C Mini TechnicalReference Guide
Figure 23
Fiber Receiver card in fiber expansion cabinet (NTDK23 shown)
PCMCIA interface
The NTDK20 SSC card has a PCM CIA interface throug h a socket located on
its faceplate. The PCMCIA sock et can accommodate a Software Delivery
card used for software upgrading and as backup media.
Security device for the IP Expansion
The SSC card on the Option 11C Main cabinet must contain a NTDK57AA
Security device which is keycoded to match the NTDK57DA Security device
on each IP expansion cabinet.