Go to Contents Precise Time and Frequency, Inc., 50L Audubon Road, Wakefield, MA 01880, USA ptf 3207A rev G
Tel: +1-781-245-9090 e-mail: info@ptfinc.com www.ptfinc.com pg. 11
Optional Time Print Interface
The time print interface is optionally available and provides an ASCII formatted string once per second
with the current day of year and time.
Pin connections on the 9 pin D connector are:
RS-232 ground and transmit only.
Data Rate:
same as selected for main serial I/O
Data Bits:
8
Parity:
none
Stop Bits:
1
Connector:
Male 9-pin D subminiature
Pin Assignment:
1------
2------
3------
4------
5------
6------
7------
8------ Tx (RS-232)
9------ GND
Format of Time Print Output
<SOH>DDD:HH:MM:SSQ<CR><LF>
Format:
<SOH> Hex 01 The start bit of the <SOH> character is transmitted on time.
Q Time quality indicator. Represented by:
space ( ASCII 0x20, Locked, maximum accuracy)
? (ASCII 0x3F, reference source unavailable)