AMT/PTD/PBX/0058/4/6/EN Installation and Maintenance Manual - Aastra 5000
Page 234 01/2011 Description des sous-ensembles
Microswitches CA5 and CA7 are used to configure the line coding, remote alarms, and
distances.
* Represents the microswitch.
TABLEAU 4.48 CONFIGURATION OF THE CA5 MICROSWITCH ON THE LT2 CARD
CA5.1 CA5.2 CA5.3 CA5.4 CA5 SWITCH PCM TYPE
OFF Line coding = B8ZS
(Binary 8 zero suppression)
ON Line coding = AMI
(Alternate Mark Inversion)
OFF Remote alarm = type A
ON Remote alarm = type B
OFF Reception level = 6 dB
(factory setting)
ON Reception level = 18 dB
OFF Synchronisation with the PCM clock possible
ON Synchronisation with the PCM clock not
possible