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TimeProvider 2300/2700 User’s Guide
098-00564-000 Revision A3 – July, 2013
Appendix B Specifications and Factory Defaults
Specifications
Table B-17. TOD China Mobile Message Details
Message Type
Class
ID
Length (bytes)
Time Information
0x01
0x20
16
Time Status
0x01
0x03
16
Table B-18. TOD China Mobile Time Information Message Payload Contents
Byte Offset
Data
Type
Name
Unit
Notes
0
U4
Time of week (TOW)
-
GPS Second time of week
4
I4
Reserved
-
Reserved
8
U2
Week number
-
GPS week (GPS time)
10
I1
LeapS
s
Leap Seconds (GPS-UTC)
11
U1
1PPS status
-
0x00 = normal
0x01 = Time sync equipment
(atomic clock) in holdover mode
0x02 = do not use
0x03 = Time sync equipment
(high stability crystal clock) in
holdover mode
0x04 = Transport carrier
equipment in holdover mode
Other values: reserved
12
U1
TAcc
-
PPS jitter category (0 - 255):
0 = 0 ns
1 = 15 ns
2 = 30 ns
…
255 = no defined
Note: this value is fixed to 255
for transmission and base
station equipment
13
U1
Reserved
-
Reserved
14
U1
Reserved
-
Reserved
15
U1
Reserved
-
Reserved