ATL Telecom AM2048 - Manual (Page 25)

ascom
telecom USER GUIDE AM768A/AM2048A
25
Issue 8
4.10 G.703 Interface Options
4.10.1 Unstructured Operation
For unstructured working, Loss of Frame Alignment and AIS alarms are suppressed. The user data
passes transparently through the system. An arbitrary frame position is assumed for mapping the user
data in to the line pairs.
The user data may or may not have TS0, and may or may not be using CRC4, nothing is assumed
about the user data.
To set up this configuration, go to the “Configuration > User Port” Menu and select
Rx
Unframed (*)
Rx Framed ( )
Rx CRC4 [ ]
Tx TSO Transparent (*)
Tx TSO Generate ( )
Tx CRC4 [ ]
CRC4G
Tx
FAW
A
SA4
SA5
SA6
SA7
SA8
TS0 TS0
Rx
CRC4M
FAW
A
SA4
SA5
SA6
SA7
SA8
HDSL
CRC6
CRC4
CRC4M
Rx
FAW
A
SA4
SA5
SA6
SA7
SA8
TS0 TS0
Tx
CRC4G
FAW
A
SA4
SA5
SA6
SA7
SA8
HDSL
CRC6
NT1 LT TE ET
T
V3
Figure 4 : Unstructured Operation