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I
NSTALLATION
2-8
2. Make sure each twisted-pair cable does not exceed 100
meters (328 feet).
Figure 2-3. Making LAN Connections
Attach the Barricade to the Internet
If Internet services are provided through an xDSL or Cable
modem, use unshielded or shielded twisted-pair Ethernet cable
(Category 3 or greater) with RJ-45 plugs to connect the broadband
modem directly to the WAN port on the Barricade. Use either
straight-through or crossover cable depending on the port type
provided by the modem (see Appendix B).
For ISDN
or PSTN
service, attach the access device to the RS-232 serial port on the
Barricade.
Figure 2-4. Making WAN Connections
SMC7004ABR
Reset
Power
WAN
10/100
Link/Act
1234
LAN
1234
WAN
COM
PRINTER
12V 1A
ISP
ISP
(Primary)
ISDN TA/
PSTN Modem
DSL/Cable
Modem
(Primary or
Backup)