User Manual

AS4000 Central Terminal Installation and
Commissioning
DLP 012
605-0000-432
Issue 1.3a Date 18th October 1999
Page 1 of 8 Copyright Airspan Communications Corporation 1999
CONFIGURATION AND SYSTEM SET-UP
This section sets up the parameters for the system and the connection to Sitespan.
Refer to the Sitespan Manual, document no. 605-0000-427 for the detailed
configuration and set up procedures of the AS4000 System.
Note
For a new installation where the antennas are not yet connected a 15W load should be
fitted to the appropriate port. DIP/LNA for modem shelves 1&2 or TX filter port for
modem shelves 3 or 4. The load on the DIP/LNA can be connected after the 80dB
Coupler if it is fitted.
1. Disconnect 2Mbit/s feeds
Select the modem shelf to be tested. Disconnect the 2Mbit/s feeds to the shelf 2Mbit/s
IN and 2Mbit/s OUT connectors on shelf interface connections located at the right
hand side of each Modem Shelf. Place a loop cable between the 2Mbit/s IN and
2Mbit/s OUT to condition the TU Card alarm system. Leave loop for about 10
seconds before removing the loop cable.
2. Alarm and Status Indications (Test 3)
Verify that the alarms and status indications (LED’s) on the system comply with those
detailed in the following tables.
Note: The following tables are set in order of appearance on the front of the card
reading from top to bottom.
RF Combiner Shelf
Low Noise Amplifier
Cct. Des. Colour Description Status
Amber Power/Module Status OK ON
Red Power Fault OFF
Table 8. RF Combiner Shelf DIP/LNA1 Card LED Indications.
RF Card [RF]
Cct. Des. Colour Description Status
D6 Amber Power/Module Status OK ON
D5 Red Power Fault OFF
Table 9. RF Combiner Shelf RF Card LED Indications.
Shelf Monitor
Cct. Des. Colour Description Status
D1 Red Power Fault/PA Module Fault OFF
D2 Amber Power/Module Status OK ON