Specifications; Gnss Receiver; Rs-232 Serial Port; Spectracom Format - Spectracom SecureSync User Reference Manual

1.8 Specifications
LED
Green
Table 1-2:
The USB connector is reserved for future expansion.
The 1PPS BNC connector offers a once-per-second square-wave output signal. The 1PPS
signal can be configured to have either its rising or falling edge to coincide with the system's
on-time point.
The 10 MHz BNC connector provides a 10 MHz sine-wave output signal.
The optional ANTENNA connector is a type "N" connector for the GNSS input from your
GNSS antenna via a coax cable. This connector will only be present if the standard GNSS
receiver, or the optional SAASM GPS receiver module are installed.
1.8

Specifications

1.8.1

GNSS Receiver

Compatible signals :
GPS L1 C/A Code transmissions at 1575.42 MHz
GLONASS L1 transmissions centered at 1602.0 MHz
Satellites tracked : Up to 32 simultaneously
Acquisition time : Typically <4 minutes from cold start
Antenna requirements : Active antenna module, +5V, powered by SecureSync, 16 dB gain min-
imum
Antenna connector : Type N, female
1.8.2

RS-232 Serial Port

Function : Accepts commands to locally configure the IP network parameters for initial con-
nectivity
8
State Meaning
On LAN Link established, 10 or 100 Mbps
Off No link established
Status indicators, rear panel
NOTE – The specifications listed herein are for the "base" SecureSync unit (not
including option modules) and are based on "standard" operation, with SecureSync
synchronized to valid Time and 1PPS input references (in the case of GNSS input,
this is with the GNSS receiver operating in Stationary mode). Specifications for the
available option modules are provided in "Option Cards Overview" on page 280.
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1 SecureSync User Reference Guide Rev. 18