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A-100 Acutime 2000 Synchronization Kit User Guide
Trimble Standard Interface Protocol
A
0x8E-AB
Command Packet 8E-AB
Request Primary Timing Packet
This command packet may be used to request the primary timing
packet 8F-AB. To receive report packet 8F-AB once per second use
command 8E-A5 to enable the automatic output.
The Request Type item determines how the ACE UTC GPS will reply
to this command.
• Request Type 0: The most current primary timing values will
be sent in report packet 8F-AB immediately.
• Request Type 1: The response is not sent immediately.
Instead report packet 8F-AB is sent within 20ms after the
next PPS output. This is the same time that the packet would
be automatically sent if enabled.
• Request Type 2: Same as type 1 except that both report
packets 8F-AB and 0x8F-AC are sent after the next PPS
output.
Table A-83 Command Packet 8E-AB
Byte Item Type Value Meaning
0 Subcode BYTE 0xAB
1 Request
type
BYTE 0
1
2
Send 0x8F-AB immediately
Send 0x8F-AB on-time next
second
Send 0x8F-AB and 0x8F-AC on-
time next second