Hub To Node - 3Com 100 TX User Manual

3-2 C 3: M
HAPTER AKING

Hub to Node

FMS 100-TX H C
UB ONNECTIONS
Once installed, the hub can support up to 12 end node connections.
Figure 3-1 shows 11 PCs and one server connected to the RJ-45 ports on
the hub's front panel. You can connect any combination of PCs, servers, and
other hubs to the 12 RJ-45 ports. (The thirteenth port permits an additional
connection through the transceiver interface module located on the hub's
rear panel. See the section "Installing the Transceiver Interface Modules" in
Chapter 2.)
100 meters maximum
LinkBuilder
1x 2x
FMS 100 Hub
Twisted-pair
cable
Figure 3-1 LinkBuilder FMS 100-TX Hub Supporting 11 Users and a Server
The maximum allowable distance between the hub and a PC, server, or
other device is 100 meters of Category 5 UTP cable. The UTP cable used for
hub-to-node connections is a straight-through connection. That is, no
crossovers should be present. The pin assignments for a straight-through
cable are shown in Figure 3-2. Refer to Chapter 4 for cabling details.
100BT
3x 4x 5x 6x 7x 8x 9x 10x
STATUS UNIT 3C250-TX/
ACTIVITY FAN FAIL CLSII
11x 12x
LINK OVERTEMP CLSI
PARTITION COLLISION PWR
1 2 3 4 5 6 7 8 9 10 11 12 13
LinkBuilder FMS 100
®
100BASE-TX Hub
Server