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1. Connect the first launch cable to the fiber adapter that is attached to
OMNIScanner. The black fiber attaches to the TX (transmitter) port and the
white fiber to the RX (receiver) port.
2. Connect the second launch cable to the fiber adapter that is attached to
OMNIRemote. The black fiber attaches to the TX (transmitter) port and the
white fiber to the RX (receiver) port.
3. Use two connector adapters to mate the black TX connector to the white RX
connector through a third jumper cable.
4. Use two connector adapters to mate the other black TX connector to the
white RX connector through a third jumper cable.
5. Set the Reference.
6. Remove the third jumper cable, located in the center, and the connector
adapters without disturbing the OMNIFiber connections.
8.3.4 M
ETHOD
A: T
WO
J
UMPER
R
EFERENCE
M
ETHOD IN
L
OOPBACK
M
ODE
The OMNIFiber main can be used without the remote to make measurements on a
single fiber. In this state, the TX fiber is looped back to the RX port of the same
OMNIFiber Adapter.
NOTE
During the Autotest, the loss and length of the white fiber will be
subtracted from the length of the fiber under test. Since the loss in a
short jumper cable is negligible, the loss measurement of the fiber
under test will be accurate. The length measurement will be off by the
length of the jumper cable (about 2 meters). This primarily affects the
length accuracy of very short cables.
1. Connect the launch cable to the OMNIFiber. The black fiber attaches to the
TX (transmit) port and the white fiber to the RX (receive) port.
2. Use a connector adapter to mate the connections on the other end.
RX
TX
850 nm
1300/1310 nm
RX
TX
850 nm
1300/1310 nm
2 m Launch Cable
Couplers
2 m Launch Cable 2 m Launch Cable
METHOD C
CHAPTER 8: OMNIFiber Reference