User's Manual
Table Of Contents
- Installation
- Overview AS4000
- Overview AS4020
- Preparation
- Rack Installation
- AS4000 AC Rack Cabling and Wiring
- AS4000 CT Shelf Cabling and Wiring
- _
- Expansion Rack Cabling
- Setup and Test
- System Testing
- AS4000 AC Setup and Test
- Access Concentrator: Turn-Up and DC measurements
- Setting Up the Access Concentrator
- _
- Setting the TEI and Baud Rate for Netspan Connection
- Creating AC Shelf/Rack on Sitespan
- Setting up AC Rack and Shelf configuration
- Configure AC Cards
- Configure AC Shelf properties
- Check Boot Sequence
- Alarm and Status Indications (Test 3)
- Self Test (Test 4)
- Test CTU cabling to the DDF E1 Cards
- Test CTU cabling to the Distribution Frame (DDF) GR303 Cards.
- Test XTU cabling to the DDF
- Connecting the AC to the Network
- Connect E1s/T1s to the Switch or Cross-Connect at the DDF
- Access Concentrator Rack Commissioning Test Results
- AS4000 CT Setup and Test
- AS4020 CT Setup and Test
- _
- General
- Repair and Return Procedure
- Repair Charges
- Return & Repair Tag
- Packing and Shipment
- Glossary
- Index
Setup and Test
123
Setting RX Sensitivity without DACU
Tools and equipment needed.
Item
Description Recommended Model Quantity
1 Digital Multimeter Fluke 77 1
2 ST Test Unit, SIU with Modified Antenna at
appropriate band
1
3 30dB Attenuators; 5W Mini Circuits: BN-N30W5 2
4 30dB Attenuators; 2W M/A-COM:2082 6044 30:2W 2
5 Two Way Power
Divider
Mini Circuits: ZAPD-4-S 1
6 50 ohm Termination
10W
Arra N9510 1
7 Adaptor; N-SMA Huber & Suhner 33N-SMA-50-1 1
8 Adaptor; N-SMA Huber & Suhner 31N-SMA-50-1 1
9 Huber & Suhner Sucoflex 104; 0.5m 2
10
Co-ax Cables
Huber & Suhner Sucoflex 104; 4.0m 1
11 Cable SMA-MCX Huber & Suhner 30-05918-10 1
12 RF Power Meter Marconi 6970 1
13 Power Sensor Marconi/RFI 6970&5 6932/900 1
RX Sensitivity (Test 6)
1. To set the receive sensitivity, first set up a test network for the band under test as
shown below. The figure below show the test equipment connected directly to the
outputs of the DIP/LNA and DIP/LNA2 as would be the case for systems without a
RFcoupler.