File
Doc. No.
Date
Version
Page
DBHB-20
5700 9004 055
Aug 05
1.0
9/12
Next Generation
Signal Enhancement
4. Alarm indication LED will glow red colour, After inserting all the attenuation
the output power is greater than the desired level ( 10dBm ) the system
will shutdown the PA for 30 seconds and restart . If so, refer annexure 2for
rectification or contact SHYAM technical support team on +91-11-
25798544 or email at
5. Review the intended coverage area according to the site installation
plan.Using a mobile NOKIA handset loaded with NET engineering
software and the SIM card of cellular operator, measure and monitor the
signal level at various points within and around the perimeter of the
coverage area.
6.5
Display Details of DBHB-20
•
UL ALIGN LED will glow after DL ALIGN is completed.
•
DL ALIGN LED will blink when the system is in the Downlink
alignment mode.When the alignment is over the DL ALIGN LED
will glow.
•
SHUT DOWN LED will glow when the downlink power is more
than the desired level. The systems will shutdown the PA and then
restart after 30 seconds.
Downlink RSSI is monitored continuously and display through 3
LED’s
.
•
When the RSSI is greater than –40, glow the RSL High LED.
•
When the RSSI in between –60 & -40, glow the RSL Mid LED.
•
When the RSSI is less than –60, glow the RSL Low LED.
U/L ALIGN
D/L ALIGN
SHUT DOWN
RSL HIGH
RSL MID
RSL LOW