Installing Or; Emoving An Interface Module; Removing The Cover - 3Com SuperStack II User Manual

5
Removing the
Cover
I
NSTALLING OR
I
NTERFACE
This chapter describes how to install or remove interface modules in
SuperStack II NETBuilder SI bridge/routers.
The following table lists each model number and the interface module it
contains.
Model Module Installed
43x/53x ISDN S/T port with no interface module
44x/54x ISDN U interface module
45x/55x 56/64 Kbps CSU/DSU module
46x/56x T1/FT1 CSU/DSU module
You can change any model 4xx bridge/router to another model 4xx, or
any model 5xx bridge/router to another model 5xx bridge/router by
installing, removing, or replacing the interface module.
To remove the cover, follow these steps:
1 Remove the power cord and all cables from the chassis.
2 If the bridge/router is mounted with brackets, unmount it and remove the
brackets.
3 Remove the two screws from the back of the chassis.
R
EMOVING AN
M
ODULE
Remove screws
MODEL: xxxxxxx
S/N:
NETBUILDER
1SC05427
xxxxxx
xxx 8.3
NTWK
080002 04BA1E LAN
100-240VAC, 50/60HZ, 1.0-0.5A
ADDR: 04BA1F WAN-A
04BA20 WAN-B
250V, F2A
04BA21 WAN-C
FOR CONTINUED PROTECTION
AGAINST FIRE HAZARD
REPLACE FUSE ONY WITH
SAME TYPE AND RATING 07/31/95 20-0261-000
3COM CORP. SANTA CLARA, CA. MADE IN USA