Symmetricom SDU-2000e, Техническое описание

Страница: 310 / 354

Chapter 8 Default Settings
DS1 and E1 Input Module Default Settings
310 SSU-2000e Technical Reference 12713140-003-2 Revision E.01 – January 2007
MTIE Limits for the DS1 Input Module
Table 8-4 provides MTIE limits for the DS1 Input Module configuration and factory
defaults and settings.
Cesium Fault Nominal Off Low/High/Off
Gain Off On or Off (20 dB)
Input Signal Error Limit
(LOS, AIS, OOF, BPV,
CRC) Defaults are:
LOS:
10 seconds (Err Cnt)
5 seconds (Clr Cnt)
AIS:
12 seconds (Err Cnt)
5 seconds (Clr Cnt)
OOF:
14 seconds (Err Cnt)
5 seconds (Clr Cnt)
BPV, CRC:
16 seconds (Err Cnt)
5 seconds (Clr Cnt)
1 to 100 for LOS and AIS
1 to 10 000 for BPV, CRC and
OOF
MTIE Limits See Table 8-4 and Table 8-5 1 to 10 000
MTIE Limit 1 Alarm Mode MINOR Ignore, Report, Minor, Major, or
Critical
MTIE Limit 2 Alarm Mode MAJOR Ignore, Report, Minor, Major, or
Critical
Alarm Initial Severity MINOR (except LOS and Level
2 MTIE, which are MAJOR) Ignore, Report, Minor, Major, or
Critical
Alarm Initial Delay 0 s 0 to 86 400 s
Alarm Elevation Time 86 400 s 60 to 500 000 s, 0 is disabled
Port Status Disabled Enabled/Disabled
Port Name Not applicable Any string from 0 to 20 characters
Table 8-4. DS1 Input Module – MTIE Limits
Time (s)
Set Limit L1
(ns)
Set Limit L2
(ns)
Clear Limit L1
(ns)
Clear Limit L2
(ns)
10 260 325 230 290
100 440 550 400 490
Table 8-3. DS1 and E1 Input Module Default Configuration (Continued)
Configuration Setting Factory Default Range