Spectracom SecureSync User Manual

1 stop bit
No parity
5.4.14.5 Format BBC-05 (NMEA RMC Message)
The NMEA Message Format RMC, (Recommended Minimum) provides fix information, speed
over ground and Magnetic Variance information. Note that this RMC Message is not 100%
identical to the official NMEA RMC MESSAGE (that corresponds to the 3.01 NMEA 0183 stand-
ard and is another time code format supported by SecureSync.)
The BBC RMC message (BBC-05) corresponds to Version2 of the NMEA 0183 standard, fol-
lowing the description below:
E x a m p l e m e s s a g e :
$GPRMC,123519,A,4807.038,N,01131.000,E,022.4,084.4,230394,003.1,W*6A
Where:
RMC Recommended Minimum sentence C
123519 Fix taken at 12:35:19 UTC
A Status: A=active or V=Void.
4807.038,N Latitude 48 deg 07.038' N
01131.000,E Longitude 11 deg 31.000' E
22.4 Speed over the ground in knots
84.4 Track angle in degrees True
230394 Date—23rd of March 1994
003.1,W Magnetic Variation
*6A The checksum data, always begins with *
5.4.15 GSSIP Message Format
The GSSIP
1
format includes 3ICD-GPS-153C messages which are used to support emulation of
a SAASM GPS used in a SINCGARS interface. The messages are the Buffer Box (253), Time
Transfer (5101), and the Current Status (5040).
1
GSSIP = GPS STANDARD SERIAL INTERFACE PROTOCOL
540 SecureSync User Reference Guide
APPENDIX

Spectracom SecureSync Specifications

General

Model	SecureSync
Time Reference	GPS, GLONASS, BeiDou, Galileo, IRIG, NTP, PTP, 1PPS
Disciplines	GNSS, IRIG, PTP, NTP, SyncE
Inputs	GPS, GLONASS, BeiDou, Galileo, IRIG, NTP, PTP, 1PPS
Outputs	NTP, PTP, 1PPS, IRIG
Protocols	PTP, NTP, SNMP, SSH, HTTPS
Form Factor	1U Rack-mount
Redundancy	Optional redundant power supply
Security Features	Password protection, access control lists, SSH, HTTPS, SNMPv3, NTP authentication, PTP authentication
Power Supply	100-240 VAC, 50-60 Hz
Operating Temperature	0°C to +50°C
Dimensions	44.45 mm (H) x 482.6 mm (W)