Nortel DMS-100 Series Product Manual page 46

2-34 DPP Hardware
Table 2-2
List of assemblies and subassemblies
Reference ABBR
designator name
B15 SCSI
XOVR
B16 56K
XOVR
B18 FAN
B19
B20
297-1001-019 Standard 02.01 April 1997
Full name - part number - usage notes
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
56K Crossover PCA - NT6M48AA
a. required for 56K polling
b. located on outer portion of lower hinged panel at rear of chassis
a. Fan Mounting Bracket Assembly - NT6M55DA
b. Fan, 48 V dc - A0287304
c. Fan Filter PCA - NT6M56AB (MD) or NT6M56AD at location B18A1
d. Fan Foam Filter - A0379820
Interface Panel - each type has a Fan Assembly (inner chassis; behind
the panel) - NT6M56AA at location B19A
(1) NT6M59BB - Rover Interface Panel
(2) NT8M59BB - Blank Interface Panel
Power Supply Assembly - NT6M71AB
(Sheet 13 of 16)