Bell Mobility User Manual
In-building Repeater
20
4.2.4 Troubleshooting Guide
Item
Check Point
Trouble shooting
Note
before
system
operation
* System Input power range
Input Level
Downlink (800MHz)
-55dBm/Total ~ -25dBm/Total
Uplink (800MHz)
-55dBm/Total ~ -25dBm/Total
Note
before
system
operation
* System Gain
Gain
Downlink (800MHz)
50 ~ 80dB
Uplink (800MHz)
50 ~ 80dB
Note
before
system
operation
* Output power at Server port
Output power
Downlink (800MHz)
25dBm/Total
Uplink (800MHz)
25dBm/Total
Check in
Advance
* Check points before open for
service
* Please check quantity of all accessories with specification
before you set up.
* Fit cable length in accordance with field condition.
* Set up 800MHz Donor antenna to secure Isolation (More
than 87dBc)
Check
after
open
* Check points after open for service
* Check following status
- Verify that the antennas are securely mounted and pointed
in the correct directions
- Connection status between antennas and RF cable
- Verify that the Repeater is securely mounted
- Proper AC power status
- Grounding status of electrical circuit
- Coaxial cable (RF) construction status
- Connectors and combiners connection status
- Cable connection status against leakage of water
