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NDA-24305 CHAPTER 6
Page 193
Revision 1.0
D-CHANNEL BACKUP - PRI
4. System Message
1. “23-P” Automatic changeover for Dch Backup
2. “23-Q” Manual changeover for Dch Backup
MG
Backup Dch Primary Dch
Group
Unit
MG
Group
Unit
Location of Backup side Dch
Location of Primary side Dch
0= ACT
1= STBY
2= Out of Service
3= MB
4= Waiting (Under changing)
5= Manual changeover is out of service
00: Changeover Primary→Backup
01: Changeover Backup→Primary
10: Primary is set to ACT
11: Backup is set to ACT
00= SERV. message is received
01= SERV. message is sent
Condition: 1=Start
2=Normal End
3=Failure
1: XX
XX XX XX XX XX
MG
Backup Dch Primary Dch
Group
Unit
MG
Group
Unit
Location of Backup side Dch
Location of Primary side Dch
1: XX XX XX XX XX XX
0= ACT
1= STBY
2= Out of Service
3= MB
4= Waiting (Under changing)
5= Manual changeover is out of service
00: Changeover Primary→Backup
01: Changeover Backup→Primary
10: Primary is set to ACT
11: Backup is set to ACT
00= Changeover by MAT
01= Changeover by circuit card MB
02= Changeover by Dch MB
03= Not define the way of changeover
Condition: 1=Start
2=Normal End
3=Failure