LTPE-UG-1017-01 Issue 1
System Configuration
UTU-731 List 1 and UTU-732 List 1
February 15, 2001
35
Figure 19.
UTU-732 Config Alarms LTU Interface Menu
Table 11.
Fields in Config Alarms LTU and NTU Interface Menus
Field
Description
UTU-731 Alarms
Loss of Signal (LOS)
Loss of signal at the G.703 input.
Loss of Frame Alignment (LFA)
Loss of frame alignment at the G.703 input.
Receive Alarm Indication Signal
(AIS)
Alarm indication signal (unframed all ones) received at
the G.703 input.
Remote Alarm Indication Signal
(RAI)
Remote alarm indication signal received at the G.703
input
Loss of External Clock (LOC)
Loss of external clock when EXT timing is used. The
external clock was lost for the previous second. This
alarm is reset when the clock is active again.
UTU-732 Alarms
Loss of External Clock (LOC)
Loss of external clock when EXT timing is used. The
external clock was lost for the previous second. This
alarm is reset when the clock is active again.
Loss of Incoming Clock (LOC)
Loss of incoming clock (TT) at the serial data port (only
enabled if the primary timing source is Nx64k or if the
transmit clock mode is set to EXT).
