Instruction manual

13
Testing
To test a media converter by itself, first make sure there is an appropriate fiber patch
cable, then perform the following steps:
1.
Connect the media converter to the T1/E1 device with a standard UTP cable. If
the
NO LNK LED for the copper port remains on, a valid signal is not being
received. Push the crossover push button on the front of the unit. Verify that
the
NO LNK LED for the copper port is off.
2. Loop a single strand of fiber from the transmit port to the receive port of the
media converter. Verify that the
NO LNK LED for the fiber port is off.
Or
For single-strand fiber products, connect a single fiber cable from the Local
iMcV-T1/E1/J1 Repeater to the remote iMcV-T1/E1/J1 Repeater. Verify that the
NO LNK LED for the fiber port is off.
Loopback Testing
The iMcV-T1/E1/J1 Repeater includes the following loopback locations:
•
Local
•
Remote
•
Analog
Local Loopback
The Local loopback location on the module loops
the fiber-receive port to the fiber-transmit port.
Remote Loopback
The Remote loopback location on the module
loops the fiber-transmit port to the fiber-receive
port.
Analog Loopback
The Analog loopback location on the module
loops the copper-transmit port to the copper-
receive port.