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18 CHAPTER 1: FEATURES AND SPECIFICATIONS
Back and Front
Panels
Figure 1 shows the back panel of the SuperStack II bridge/router.
Figure 1 Back Panel
Figure 2 shows the front panel of the model 4xx bridge/router and the
model 5xx bridge/router.
Serial ports Two (model 4xx) or four (model 5xx) Flex-WAN
serial ports that can connect to RS-232, V.35,
RS-449, X.21, or RS-530 interfaces. See “Serial
Connectors and Flex-WAN Cables” on page 174
for information about Flex-WAN cables.
Boundary routers
(model 4xx only)
One active serial or WAN port. The remaining two
ports can be used for back-up.
Table 3 Features of the SuperStack II NETBuilder SI Bridge/Router (continued)
Feature Description
Power
receptacle
On/off
switch
MODEL: xxxxxxx
xxxxxx
NETBUILDER
xxx
S/N:
1SC05427
100-240VAC, 50/60HZ, 1.0-0.5A
250V, F2A
8.3
FOR CONTINUED PROTECTION
AGAINST FIRE HAZARD
REPLACE FUSE ONY WITH
SAME TYPE AND RATING
NTWK
ADDR:
3COM CORP.
SANTA CLARA, CA. MADE IN USA
080002 04BA1E LAN
04BA1F
04BA20
04BA21
WAN-A
WAN-B
WAN-C
20-0261-000
07/31/95
RPS
connector
Product
information label