RF Core Facing Loopback
1040
WebEML User Manual
To deactivate a Receive RF Core Facing Loopback
1. Set the TX Freq(KHz) to the value recorded in To activate a Receive RF Core
Facing Loopback.
2. Click Apply.
3. Set the Shifter (MHz) to the value recorded in To activate a Receive RF Core
Facing Loopback.
4. Click Apply.
5. Was external RF loopback connection installed?
a. If yes, then go to step 6.
b. If no, then go to step 9.
6. TXMute the local MPT-HL/HLC/ Transceiver card under test, position the
TXMute switch to the OFF position (PA switch set to ‘0’).
7. Remove external RF loopback connection on the RF filter. See Figure 774.
8. Connect the coaxial connections removed during step 3.
9. Release TXMute on the local MPT-HL/HLC/ Transceiver card under test,
position the TXMute switch to the ON position (PA switch set to ‘1’).
10. Using the craft terminal, release TXMute the far-end MPT-HL/HLC/ Transceiver
cards.
To activate an MPT-HLC/HLS Core Facing @RF - Internal Loopback
1. Open the appropriate main view for the configuration and select the
Maintenance tab. See Figure 777.
Release 7.0.0 3DB 19286 ACAA Issue 01
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