Spectracom SecureSync User Manual

Programmable Pulse Width: 100ns to 900ms with 20ns resolution
Absolute Phase Error: ±50ns (1σ)
Programmable Phase Shift: ±5ns to 500ms with 5ns resolution
Maximum Number of Cards:6
Ordering Information: 1204-21 1PPS RS-485 output module, terminal block
Figure 5-17: Model 1204-21 option card rear plate
Model 1204-21 terminal block pin assignments
Pin No. Function
1 1PPS Output 1 +
2 1PPS Output 1 -
3 GND
4 1PPS Output 2 +
5 1PPS Output 2 -
6 1PPS Output 3 +
7 1PPS Output 3 -
8 GND
9 1PPS Output 4 +
10 1PPS Output 4 -
Model 1204-2B 1PPS Output (Fiber Optical): Specifications
Inputs/Outputs: (4) 1PPS output
Operating Wavelength: 820/850nm
Optical Power: -15dBm average into 50/125 fiber
Fiber Optic Compatibility: 50/125μm, 62.5/125μm multi-mode cable
SecureSync User Reference Guide 369
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)