User`s guide

Section 360−381−C02
7
Parameter DescriptionOption
CGA
Process Mode
Normal Carrier group alarm response characteristics per 43801
Process Mode
CM2 Carrier group alarm mode 2 (see T1 controller documentation)
CM3 Carrier group alarm mode 3 (see T1 controller documentation)
Loopback State Display only. If the unit is in loopback, shows LPBK. Otherwise, shows NORMAL
T1 Working Mode Normal T1 Normal T1 or Drop and Reinsert (if secondary T1 is installed)
Dual T1 Independent primary and secondary T1s (requires secondary
T1)
Protection T1 Secondary T1 acts as protection T1 (requires secondary T1)
T1 Working Status Display only Indicates active T1 (available in protection T1 mode only)
Error Second
Threshold
1-900 Threshold for switching to protection T1 (available in protection
T1 mode only)
Apply New
Settings
Select to apply changes made in this menu.
4.2 Secondary T1 Module
The menu shown in Figure 6 is used to establish the options to use the secondary T1 module.
Figure 6. Secondary T1 Menu
Menu Selection Use To...
Retrieve & Set T1 Parameters Retrieve and set the T1 parameters
Alarm Cut Off Turn off current audible alarm
Loopback Test for T1 Run a T1 loopback test
Performance Monitor Retrieve secondary T1 performance information
System Alarm Status Retrieve secondary T1 alarm status (display only)
Time slot Allocation Mapping Allocate available circuits to primary and secondary T1 time slots.