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Cabling the Connectors 37
Cabling the Serial
Connectors
The SuperStack II bridge/router has either two or four Flex-WAN serial
connectors depending on the model. Order the appropriate Flex-WAN
cable from 3Com for your serial device. See “Serial Connectors and
Flex-WAN Cables” on page 174 for more information about the
Flex-WAN cables.
A
A
Link
Active
Fault
B
SERIAL
B
Flex-WAN cables
Connect to RS-232, RS-449,
V.35 or X.21 DTE or DCE
or RS-530 DCE
Model 4xx
A
B
C
D
C
Link
Active
Fault
D
A
B
SERIAL
Connect to RS-232, RS-449,
V.35 or X.21 DTE or DCE
or RS-530 DCE
Flex-WAN cables
Model 5xx