ADTRAN Tracer TRACER 2 x E1 Instrukcja Użytkownika Pobierz pdf (Strona 51)

TRACER 2 x E1 User’s Manual

61280004L2-1C

Section 4 Troubleshooting

Carrier Sync Status or E1 Mux Sync Status

The Carrier Sync status will indicate NO on the TRACER System Status page when frequency

synchronization has not been achieved between each end of the the RF Link. The E1 Mux Sync Status

will indicate NO on the TRACER System Status page when synchronization between the E1 mux on

each radio has not been achieved.

Recommended Action

Possible Cause (see list below)

• The RF link is down. ................................................................................. 1-10

• The RX power is below the specified receiver sensitivity. .................... 1-4,7-10

• The far-end transmitter is off, or is transmitting low power. ............. 1-4,7-10

• The RF path is not aligned. ..................................................................... 1,3,10

• Water is in the antenna feedhorn or connectors. ......................................... 1,4

• Both units are set to the same frequency. .................................................. 5,10

• Both units are not set to the same P/N code. .................................................. 6

• The connection between the BBP and the RFC is faulty. ...................... 1,7-10

• The connection between the RFC and the antenna is faulty. ................. 1,7-10

• The BBP or RFC is faulty............................................................................. 10

Recommended Actions:

1. Check the RX power using the VT100 user interface or RSSI voltage.

2. Check the far-end transmitter for operation and proper transmit power.

3. Check the RF path using a spectrum analyzer or RSSI voltages for proper alignment. Have

path professionally re-aligned and check system path engineering.

4. Check the antenna feedhorn and all outdoor connections for water.

5. Change the frequency of one radio through the VT100 user interface or front panel button.

6. Set both units to the same P/N code.

7. Check all connections between the BBP, the RFC, and the antenna.

8. Check the IF and RF cables for shorts.

9. Check connections inside the mastmount or rackmount RFC.

10. Replace the RFC.

I M P O R T A N T

If problems persist after you have followed the Recommended Actions, contact ADTRAN

Technical Support at (011) 256-963-8716.

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ADTRAN Tracer TRACER 2 x E1 Instrukcja Użytkownika Strona 51