User's Manual

Setup and Test
99
2 Green Card busy LED, to indicate live traffic is present
and should not be removed.
OFF
SC
Position Colour Description Status
TOP
1
Red Card failure LED, which shall be alight if the card
self test fails
OFF
OK Card is Active.
PSU
Position Colour Description Status
TOP 1 Red FUSE FAIL: Illuminated if either input fuse has
blown.
OFF
2 Green OK Card is Active. ON
3 Red I/P A FAIL input voltage A (BATTNEG0) not
present
OFF
4 Red I/P B FAIL input voltage B (BATTNEG1) not
present
OFF
5 Red O/P OVERLOAD. OFF
6 Red O/P UNDERLOAD OFF
Access Concentrator Shelf Card LED Indications.
Self Test (Test 4)
1. Select CTU card on shelf view double click the card, or click right mouse button and
select Airspan (card type) View
2. Execute the self test function (using Netspan) on each CTU card and ensure that it
passes. Replace any faulty cards.
Test CTU cabling to the DDF E1 Cards
1. Using Netspan create a CT rack with a dummy modem shelf.
2. From the Edit AC Shelf Properties screen assign E1-1 to the newly created CT shelf.
3. A red alarm should appear on the CTU card for the E1 activated.
4. Loopback TX to RX for the E1 (T1) at the DDF. Check that the alarm clears (the
amber remote alarm is lit for several seconds before clearing).
5. Reassign the CT shelf to E1-2, E1-3 and E1-4 in turn and repeat steps 3 and 4 (E1-5
to E1-8 for 120ohm connection).
6. Repeat steps 1 to 5 for CTUs in slots 5 and 6 if fitted.
Test CTU cabling to the Distribution Frame (DDF) GR303 Cards.