12713140-003-2 Revision E.01 – January 2007
SSU-2000e Technical Reference 309
Chapter 8 Default Settings
DS1 and E1 Input Module Default Settings
DS1 and E1 Input Module Default Settings
The DS1 Input Module and E1 Input modules maintain factory default and current
user configuration information in nonvolatile memory. This information is retrieved at
power up and is modified by commands from the Communications module.
When the current user configuration cannot be used, the Input module settings
automatically revert to factory defaults.
lists factory default settings and
ranges for all DS1 Input module or E1 Input module software parameters.
Input Selection Mode
Priority
Priority (0) | PQL (1)
Local Oscillator (LO)
Off
On (1) |Off (0)
Frequency Offset
Set:
4.0 E–8
Clear:
3.5 E–8
Set:
2.5 E–7
Clear:
2.0 E–7
Set:
9.8 E–6
Clear:
9.3 E–6
Constant
Elevation Time (s)
86 400
60 to 500 000 s, 0 = disabled
PQL Setting
5
6
8
Constant
Table 8-3. DS1 and E1 Input Module Default Configuration
Configuration Setting
Factory Default
Range
Input Frequency (for
unframed signals)
1.544 for DS1 Input module
2.048 MHz for E1 Input module
1 MHz, 1.544 MHz, 2.048 MHz, 5
MHz, 10 MHz
Framing Type
ESF for DS1 Input module
CCS for E1 Input module
D4 or ESF for DS1 Input Module
CAS or CCS for E1 Input Module
Zero Suppression
On
On/Off
CRC
Off
On/Off
SSM
Off
On/Off
Provisioned PQL
4 for DS1 Input module
Note:
PQL 4=STU
4 for E1 Input Module
2,3,4,5,6, or 8
Priority
0
0 to 10 (0 = Monitor)
E1 SSM Bit Position
8 (Not applicable for DS1 Input
Module)
4 to 8
Table 8-2. Stratum 2E and 3E Clock Module Default Settings (Continued)
Setting
Factory Default
ST2E
TYPE I
ST3E
Range
ST2E
TYPE I
ST3E
