Spectracom SecureSync User Manual

IRIG In/Out, Fiber Opt. [1204-27]: Output Specifications
Signal: IRIG A, B, E, G or NASA-36, (DCLS only, unmodulated)
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
Optical Connector: ST
Accuracy: see "IRIG Output Accuracy Specifications" on page558
Number of Cards: Up to 6
Ordering Information: 1204-27, IRIG module, Fiber Optic ST Connector
Figure 5-41: Model 1204-27 option card rear plate
Supported IRIG Formats
The IRIG option cards models 1204-05 and -27 support IRIG input and output formats A, B, and
G (DCLS and AM). Additionally, the cards support inputs with frequency/resolution values of
no carrier/index count interval, 1kHz/1ms, 10kHz/0.1ms, and 100kHz/10ms, as well as
IRIG input coded expressions of the fields BCD
TOY
, CF, SBS, and BCD
YEAR
.
The IRIG inputs support the following coded expression combinations for BCD
TOY
, CF, SBS,
and BCD
YEAR
fields:
0 – BCD
TOY
, CF, SBS
1 – BCD
TOY
, CF
2 – BCD
TOY
3 – BCD
TOY
, SBS
4 – BCD
TOY
, BCD
YEAR
, CF, SBS
5 – BCD
TOY
, BCD
YEAR
, CF
The cards support synchronization with the following analog and DCLS IRIG input formats:
SecureSync User Reference Guide 417
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)