User's Manual

Page 44

Norsat ODU 090-25012-00 Norsat

Cable By-pass

Procedures

Each of the three co-axial cables in the IFL are of identical cable

types, 50 ohm Belden 9907 with N(m) connectors, and can be

substituted for each other.

For alignment of the antenna, the

GREEN marked Receive IF coaxial

cable must be correctly connected as described earlier. However, the

RED and BLUE marked coaxial cables need not be attached.

For transmission, the

RED marked Transmit IF coaxial cable must be

correctly connected as described in earlier. However, the

GREEN and

BLUE marked coaxial cables need not be attached.

The

BLUE marked Transmit monitor coaxial cable is only required for

the Local Loopback and for monitoring the transmit spectrum on the

Spectrum Analyzer.

Receive IF Cable By-

pass

If the GREEN marked Receive IF coaxial cable is damaged, antenna

alignment can be done by substituting the

BLUE marked Transmit

Monitor cable or the

RED marked Transmit IF cable.

CAUTION

The cable interchange should be done with the power OFF as all

cables carry 24 V DC.

1. Disconnect both ends of the

GREEN marked Receive IF coaxial

cable.

2. To replace with the:

RED marked Transmit IF coaxial cable, connect it in place of

the

GREEN marked Receive IF coaxial cable.

ii.

BLUE marked Transmit Monitor coaxial cable, connect it in

place of the

GREEN marked Receive IF coaxial cable.

3. Ensure that both ends of the replacement cable are connected to

the appropriate RX connectors on the Baseband IF and Antenna

RF units.

NOTE

Cable disconnection may result in alarms.