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3. Remove the fiberoptic covers
from the 3270 Repeater Fiber
and connect the ST fiber
connectors as indicated in
Figure 3-1, ensuring that TX
goes to TX and RX goes to RX.
Take care not to damage or get
dust on the exposed ends of the
fibers.
TIP
(T)
RING (R)
POWER
T
R
TIP
(T)
RING (R)
Figure 3-1. Installing the 3270 Repeater-Fiber.
3.3 Installation of the 3270
Repeater-UTP
Follow these steps to install the
3270 Repeater-UTP:
1.Select a location for the
Repeater. It may placed up to
1500 feet from the controller
and up to 1500 feet from the
terminal.
2.Distinguish between the tip and
ring leads on the balun leading
to your controller.
T
R
OPTIC LINK
CTRL-TERM
SYNC
SYNC
TX
RX
R T
R
T
R
T
R
T
OPTIC LINK
POWER
SYNC
SYNC
TX
RX
3.Plug the Repeater into the
nearest AC power outlet. The
green Power LED should light.
4.If you are using screw-type
terminals, strip 1/4 inch of
insulation from the end of
the twisted pair.
5.Connect the wires coming
from the controller to the
block marked CTRL, and
tighten the locking screws.
CHAPTER 3: Installation
RING
(R)
TIP (T)
R
T
CTRL-TERM
R T
R
T
TIP (T)
RING
(R)
R
T
7
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