User Manual

AS4000 Subscriber Terminal
Installation and Commissioning DLP 016
605-0000-436
Issue 1.5 Date: 18th October 1999
Page 3 of 4
-98
-92
-88
RECIEVE SIGNAL
STRENGTH /dBm
AGC DIGITAL
VOLTMETER
READING
Figure 47. Label Detail: Receive AGC
4. Record the value of the DC voltage on the test result sheet.
Power Control Recording
1. Using the DMM, measure the DC voltage between Ground (Green) and the PC
Monitoring point (Black) on the Generic Test Cable. The voltage measured is a
relative indication of the transmit power level: The lower the voltage the higher the
output power level.
2. Check the label on the CRU to get an indication of the transmit signal strength
from the characterised readings to ensure that the margins are consistent with the
receive fade margins.
+21
+15
+11
TRANSMIT SIGNAL
STRENGTH /dBm
PC DIGITAL
VOLTMETER
READING
Table 29. Label Detail: Transmit Power Control
The maximum transmit levels for the ST are:
2.0 - 2.3GHz Band +21dBm
2.3 - 2.5GHz Band +20dBm
3.4 - 3.6GHz Band +18dBm
3. Record the value of the DC voltage on the test result sheet.
4. Record the Part number, Serial Number, and Electronic Serial No. recorded on the
label attached to the CRU backplate.
PART No.
SERIAL No.
ELECTRONIC SERIAL No.
AIRSPAN
COMMUNICATIONS
LIMITED
Figure 48. CRU Label