Ethernet communication
BMTX-SVN01C-EN 93
To wire a fiber-optic media converter on an inter-building network, follow
these procedures (see Figure 29 on page 94):
1. In Building A, connect the power supply to the 12 Vdc port on media
converter A1.
2. Connect the 10BaseT cable from the BCU to the 10Base T port on
media converter A1.
3. Connect the terminated fibers to the fiber optic TX-RX connections on
media converter A1.
4. In Building B, connect the power supply to the 12 Vdc port on media
converter B1.
5. Connect the fiber-optic cables from media converter A1 to the TX-RX
connections on media converter B1, observing reversed polarity.
6. If only one BCU exists on the network in Building B, connect 10BaseT
cable from the BCU to the 10BaseT port on media converter B1 to
complete the fiber-optic network between Buildings A and B.
If multiple BCUs exist within the building, connect 10BaseT cable
from media converter B1 to a hub that connects the BCUs.
If another fiber connection is desired (as shown in Figure 29 on
page 94), connect 10BaseT cable from media converter B1 to a hub
that connects the BCU(s), and connect 10BaseT cable from the hub to
another media converter (B2).
7. Connect the power supply to the 12 Vdc port on media converter B2.
8. Connect terminated fiber-optic cables to the TX-RX connection on
media converter B2.
9. Add a media converter (C1) in Building C. Connect the power supply
to its 12 Vdc port.
10. Connect terminated fiber-optic cables from media converter B2 to the
TX-RX connection on media converter C1, observing reversed polar-
ity.
11. If only one BCU exists on the network in Building C (as shown in
Figure 29 on page 94), connect 10BaseT cable from the BCU to the
10BaseT port on media converter C1 to complete the fiber-optic net-
work for Buildings A, B, and C.
If multiple BCUs exist within the building, connect 10BaseT cable
from media converter C1 to a hub that connects the BCUs.
If another fiber connection is desired, connect 10Base T cable from
media converter C1 to a hub that connects the BCU(s), and connect
10BaseT cable from the hub to another media converter. Continue
with steps 7–11.
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