Nortel DMS-100 Series Product Manual page 38

2-26 DPP Hardware
Table 2-2
List of assemblies and subassemblies
Reference ABBR
designator name
A15 DISK
XOVR
A15 SCSI
XOVR
A16 P/A
COMM
297-1001-019 Standard 02.01 April 1997
Full name - part number - usage notes
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
SCSI Crossover PCA - located on inner portion of hinged panel at rear
of upper chassis
(1) NT6M93AA
a. use with 760-Mbyte 5 1/4" disk drives
b. use with 380-Mbyte 5 1/4" disk drives when 56K/compression
polling is used
(2) NT6M93BA - use with 1- or 2-Gbyte 3 1/2" disk drives
Power and Alarm Communications PCA - located on the outer portion
of hinged panel at rear of upper chassis
(1) NT6M84AA (MD) - use for analog networks only
(2) NT6M84BA - use for analog and digital networks
(Sheet 5 of 16)