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LANMaster™ T8 8-Port Ethernet™ Repeater Hub
12
7
Installing Network Cable
10BASE-T Requirements
STRAIGHT-THROUGH/CROSSOVER CABLE/CONNECTOR
NOTE: The 10BASE-T cable and RJ-45 jacks for hub to terminal device
connections must be configured as straight through. The 10BASE-T
cable and RJ-45 jacks for hub to hub connections must be configured
as crossover.
The “X” port provided on the LANMaster T8 changes a physical
straight through cable configuration to a logical crossover cable
configuration for hub to hub connections.
Therefore, ensure that all 10BASE-T cable to be installed is straight-
through:
Straight Through Cable
at RJ-45 Plug
Hub . . . . . . . . . . . . . . . .PC, transceiver, NIC, printer
RJ-45 Male . . . . . . . . . . . . . . .RJ-45 Male
1 . . . . . . . . . . . . . . . . . . .1
2 . . . . . . . . . . . . . . . . . .2
3 . . . . . . . . . . . . . . . . . .3
6 . . . . . . . . . . . . . . . . . . .6
RJ-45 PLUG
1
8
234
5
6
7
RJ-45 JACK
1
8
Installing Thinnet 10BASE-2 Cable
The LANMaster T8 has a female BNC MDI connector installed at the
back for connection to 10BASE-2 cable and comes with a mating T-
connector and a 50-ohm segment terminator for making the cable
connection.
To connect to 10BASE-2 network cable:
1. Locate or build IEEE 802.3 compliant 10BASE-2 cable with
male BNC connectors installed at both ends.
2. Install the mating T-connector to the female BNC connector on
the LANMaster T8.
3. Install 10BASE-2 cable to one side of the T-connector.
4. Install 10BASE-2 cable to other side of the T-connector
OR, if the LANMaster T8 is the last network device in the daisy
chain, install a 50-ohm terminator.
5. Verify that the 10BASE-2 segment coax cable segment is
terminated properly at both ends.
In a coax thinnet
installation, the first and
last device in the daisy-
chain must be
terminated with a 50
ohm terminator.
Additionally, the
10BASE-2 segment must
be grounded to “earth
ground” at one end.
50 ohm terminator
50 ohm terminator
earth ground
The two active pairs in a
10BASE-T network are pins 1 & 2
and pins 3 & 6. Use only
dedicated wire pairs (such as
blue/white & white/blue,
orange/white & white/orange) for
the active pins.