Zhone 2000 ユーザーガイド

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Type “1” to select ESF Frame Mode, or “2” to select D4 Frame mode. 
The IAD resets the interface and redisplays the T1 Frame Mode menu.
3
Press Escape to return to the T1 Configuration menu.
4
Continue with other configuration tasks.
Select Transmit Line
Build Out
To select Line Build Out, follow the steps below.
1
Type “2” on the T1 Configuration menu (Figure 4.12) to display the Line 
Build Out menu.
Figure 4.14
Select Line Build Out Menu 
2
Type the option to select the line build out that corresponds to the T1 span 
length in use. The IAD resets the interface and redisplays the Select Line 
Build Out menu.
3
Press Escape to return to the T1 Configuration menu and continue with 
other configuration tasks.
Select B8ZS or AMI To select B8ZS or AMI, follow the steps below.
1
To set zero suppression, type “4” on the T1 Configuration menu (Figure 
4.12) to select B8ZS or AMI. The IAD displays the current setting and 
prompts you to change it.
2
Type “Y” to change the setting. 
3
Press Escape to return to the T1 Configuration menu and continue with 
other configuration tasks.
Configure Loopback To configure loopback, follow the steps below.
1
Type “5” on the T1 Configuration menu (Figure 4.12) to configure 
loopback. The IAD displays the current setting for each type of loopback 
and ESP loopback commands, and the Loopback Configuration menu.
2
Type the option number “1”, “2” or “3” to enable or disable Outward 
Payload, Outward Line, and Inward Line Loopback. Inward Loopback is 
valid only when the IAD is in Master Mode. The IAD makes the change and 
resets the interface.