3Com 3C888 User Guide - Page 56

Connecting an External Hub to the Dual 56K LAN Modem, Before You Begin

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56 CHAPTER 5: CONFIGURING THE DUAL 56K LAN MODEM FOR INTERNET ACCESS Connecting an External Hub to the Dual 56K LAN Modem Once you have finished configuring the Dual 56K LAN Modem, you can connect up to three additional computers, or a combination of an external Ethernet hub and computers to increase the number of users for WAN access to 25. Figure 35 shows the more common scenario of an additional 8-port hub for a 10-user, shared WAN connection. Port Status Network Utilization Alert PWR PKTCOLL 1 2 3 4 5 6 7 8 COAX 1% 2% 3% 6% 12% 25% 50% 80% green = link OK, off = link fail, yellow = partition OfficeConnect¤ Ethernet Hub 8 Message MODEM 1 MODEM 2 AA CD RD SD OH AA CD RD SD OH Alert Power LAN Status TX COLL 1 2 3 4 OfficeConnect Dual 56k LAN Modem OfficeConnect¤ Dual 56K LAN Modem Figure 35 10-User Shared WAN Connection Using an 8-Port Ethernet Hub Before You Begin To create a shared WAN connection for more than four users on the Dual 56K LAN Modem, you will need the following: s A 10BASE-T Ethernet hub, such as the OfficeConnect Ethernet Hub 8 s A 10BASE-T Ethernet cable (two RJ-45 to RJ-45 connector ends, not provided) s A 10BASE-T Ethernet cable for each additional workstation If the hub you are using does not have an MDI/MDIX switch, you will have to use a crossover cable.

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56
C
HAPTER
5: C
ONFIGURING
THE
D
UAL
56K LAN M
ODEM
FOR
I
NTERNET
A
CCESS
Connecting an
External Hub to the
Dual 56K LAN Modem
Once you have finished configuring the Dual 56K LAN Modem, you can connect
up to three additional computers, or a combination of an external Ethernet hub
and computers to increase the number of users for WAN access to 25.
Figure 35 shows the more common scenario of an additional 8-port hub for a
10-user, shared WAN connection.
Figure 35
10-User Shared WAN Connection Using an 8-Port Ethernet Hub
Before You Begin
To create a shared WAN connection for more than four users on the Dual 56K LAN
Modem, you will need the following:
■
A 10BASE-T Ethernet hub, such as the OfficeConnect Ethernet Hub 8
■
A 10BASE-T Ethernet cable (two RJ-45 to RJ-45 connector ends, not provided)
■
A 10BASE-T Ethernet cable for each additional workstation
If the hub you are using does not have an MDI/MDIX switch, you will have to use a
crossover cable.
OfficeConnect
¤
Dual 56K LAN Modem
OfficeConnect
¤
Ethernet Hub 8