AA OPTION BOARD
The AA option board is equipped with a 4-channel built-in AA. There are two dedicated
connectors in the Basic KSU for the option board. The board has its own processor,
68EC000, 64 Kbyte program memory, 512 Kbyte pre-recorded message memory, 1 Mbyte
data and customer message memory and a DSP chip for AA processing.
Only one (1) board can be installed per system.
2.3 TRUNK EXPANSION BOARDS
One slot only is available for trunk expansion purposes.
S3TRK CARD
This card provides three Caller ID-compatible loop start C.O. interfaces.
S6TRK CARD
This card provides six Caller ID-compatible loop start C.O. interfaces.
2.2