User's Manual

46 UltraWAVE BTS Installation and Commissioning Guide, Release 6.5A
2-8 Post Installation Cabling and Checks
Connecting the Chassis
Before commissioning the equipment, make sure that:
• The Abis interface E1 and/or T1 cables are routed to the telephone provider
• The DIP switch settings on the E1 or T1 trunk cards are set correctly and if you are using the
75 Ohm E1 trunk card that the ground jumper is in the correct position (refer to Section 2-3
for E1 and/or T1 DIP switch settings)
• The cabinet power is turned off
• Antenna cables are connected to RF antenna port connectors as appropriate
Verifying External Cabling
• It is the operator's responsibility to verify that all inter-chassis E1 and/or T1 links are
ordered, installed and certified by the telephone provider according to ANSI T1.403 specifi-
cations before on-line commissioning is performed
• The operator should also perform end-to-end bit error ratio or bit error rate tests over a
20-minute period on the E1 and T1 Abis interface link(s), and verify that the BER is 10
-8
or
better