3Com 3C886 User Guide - Page 31
Connecting to Another Ethernet Hub, Before You Begin, Ethernet hub. - officeconnect reset
UPC - 662705169279
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Installing the 56K LAN Modem 31 Connecting to Another Ethernet Hub You can connect to another Ethernet hub to allow up to 25 users to access the WAN. Instructions for adding another Ethernet hub to allow 10 users, a more common scenario, is as follows. Before You Begin In addition to an external 10BASE-T Ethernet hub, you will need a 10BASE-T Ethernet cable, which may have been provided with the additional hub. If the hub to which you are connecting your LAN Modem does not have an MDI/X switch, you must use a crossover cable. 1 Insert one end of the 10BASE-T Ethernet cable into one of the four LAN ports on the back of the LAN Modem, as shown in Figure 13. 10-18 VDC 0.8 A MAX 10-18 VDC 0.8 A MAX + + RESET LINE PHONE MDI/MDIX 8 7 6 5 4 3 2 1 Figure 13 10BASE-T Hub-to-Hub Connection 2 Insert the opposite end of the cable into a 10 BASE-T Ethernet port on the other Ethernet hub. If you are connecting to an OfficeConnect Hub 8/TPO, insert the opposite end of the Ethernet cable into port 8 and then set the MDI/X switch to MDI (that is, pressed in). Make sure that the LED associated with that Ethernet port is lit. If it is not, try changing the MDI/X switch setting.