3Com SuperStack 3C16071B, User Manual

Page: 42 / 64

42 A
PPENDIX
C: M
ODULE
C
ONFIGURATIONS
Type 2 or Type 2A Power Modules may be used in combinations
similar to the Type 1 100 W Power Modules.
Table 2 Maximum Number of Advanced RPS Power Modules per Chassis
Configuration
Type 1 60 W
Module
(3C16072)
Type 1 100 W Module
(3C16073), Type 2 (100 W)
Module (3C16074), or Type
2A (100W) Module
(3C16074A)
Type 3 Module
(325 W)
(3C16075)
*
A 8 none none
B 7 none none
C 6 1 none
D 5 1 none
E 4 2 none
F 3 3 none
G 2 3 none
H 1 4 none
I none 4 none
J † none 1 1
K ‡ 1 1 1
L ** 2 none 1
M †† none none 2
N
‡‡
none none 4
* CAUTION: The Type 3 DC Power Module is for installation by suitably qualified service
personnel only. Refer to the Type 3 Power Module Installation Guide.
† Install the power modules in slots 7 and 8.
‡ Install the 100 W and Type 3 Module in slots 7 and 8, and the 60 W Module in slot 5 or 6,
whichever is next to the 100 W Module.
**Install the Type 3 Module in slot 7, and the 60 W Modules in slots 8 and 5.
††Install two Type 3 Modules in the chassis using single DC cables, that is, both modules
drawing power separately. If using this configuration, install the modules in slots 7 and 8.
‡‡Install four Type 3 Modules in the chassis using the optional ‘Y’ cable. Two modules that are
paired, power-share at any one time. If using this configuration, install the four modules in
slots 5, 6, 7, and 8. Connect the ‘Y’ cables across slots 7 and 5, and 8 and 6 respectively,
that is, the power modules in slots 7 and 5 are paired, and the power modules in 8 and 6 are
paired.
16070ug4.bk.book Page 42 Thursday, December 14, 2000 12:17 PM