Model: MC-1-M (2U)
Doc. Ref. no. : m05/om/101
Issue no. 14
User’s Manual
Page 66 of 103
NOTE: GPS Master Clock Model MC-1-M can be configured to transmit T-format or NGTS time frame
through its COM2 terminal at rear panel. The type of serial frame i.e. T-format or NGTS can be selected
by parameter “SET TRANSMIT MODE” through keypad on unit front panel as per section 9 or serial
configuration command “TC22”as per section 10.2.5.
Description
Number of
Characters
Character
Position
Range of
Value/Information
Code Identification
1
1
Capital T
Divider
1
2
:
Year in Century
2
3,4
0 to 99
Divider
1
5
:
Month
2
6,7
1 to 12
Divider
1
8
:
Day of Month
2
9,10
1 to 31
Divider
1
11
:
Day of Week
1
12
1 to 7
Divider
1
13
:
Hours
2
14,15
0 to 23
Divider
1
16
:
Minutes
2
17,18
0 to 59
Divider
1
19
:
Seconds
2
20,21
0 to 59
Divider
1
22
:
GMT Marker
1
23
0 or 1
Validity Marker
1
24
0 or 1
CR [Carriage return]
1
25
Non displayable
character
LF [Line Feed]
1
26
Non displayable
character
Table 11.2: T-format Time string format
11.1.3 NGTS Time frame output:
GPS Master Clock Model MC-1-M transmits NGTS time frame from COM2 terminal at rear panel of unit at
every 1 minute (i.e. NGTS frame is transmitted at every 59 seconds of every minute) at 9600 (baud rate),
8 (Data bits), N (NONE parity), 1 (1 stop bit). User can change the serial communication settings using
keypad on unit front panel as explained in section 9 or serial configuration method on COM2 terminal as
explained in section 10.2.2.
NOTE: GPS Master Clock Model MC-1-M can be configured to transmit T-format or NGTS time frame
through its COM2 terminal at rear panel. The type of serial frame i.e. T-format or NGTS can be selected
by parameter “SET TRANSMIT MODE” through keypad on unit front panel as per section 9 or serial
configuration command “TC21”as per section 10.2.5.
The NGTS time string shall consist of 14 printable characters and a concluding CR, LF as follows:
