Nortel DMS-100 Series Product Manual page 45

Table 2-2
List of assemblies and subassemblies
Reference ABBR
designator name
B12 DSI
B13 DSI
B14 BUS
TERM
B15 DISK
XOVR
Full name - part number - usage notes
Data Stream Interface PCA
(1) NT6M70AA (MD)
(2) NT6M70CF (MD)
(3) NT6M70AC
Data Stream Interface PCA
(1) NT6M70AA (MD)
(2) NT6M70CF (MD)
(3) NT6M70AC
Bus Terminator PCA - NT6M68AA
Disk II Crossover PCA - not compatible with 56K/compression polling;
located on inner portion of hinged panel at rear of upper chassis
(1) NT6M72AC (MD) - use with 72- and 140-Mbyte 5 1/4" disk drives
(2) NT6M72AD (MD) - use with 72- and 140-Mbyte 5 1/4" disk drives
(3) NT6M72AE - use with 72-, 140- and 380-Mbyte 5 1/4" disk drives
(Sheet 12 of 16)
DPP Hardware 2-33
DPP Product Guide DPP001 and up