User's Manual

CHAPTER 3 NDA-24300
Page 214
Issue 1
SYSTEM MESSAGES
➃
Changeover Information
➄
Status of the Primary/Back-up Dch
➅
EVENT No.
b7 b3 b2 b1 b0
b7 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
b0, b1:
00 = Change from Primary Dch to Dch for Back-up
01 = Change from Dch for Back-up to Primary Dch
10 = Place Primary Dch to ACT status
11 = Place Dch for Back-up to ACT status
b2, b3:
00 = Change signal is received
01 = Change signal is sent
b0-b2: Status of Primary Dch
0 = In service
1 = Standby
2 = Out of Service
3 = Make Busy
4 = Changing status from STBY to In Service
5 = Manual out of service
b3-b5: Status of Primary Dch
0 = In service
1 = Standby
2 = Out of Service
3 = Make Busy
4 = Changing status from STBY to In Service
5 = Manual out of service
b0-b7: EVENT No.