Appendix A
S100 Specifications
Note: The GPS antenna described in this manual has been replaced as described in “Appendix E” on page 141.
S100 Data Sheet Specifications
Component | Specifics | Description |
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Network Interface | Ethernet over | IEEE 802.3 specifications |
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| Connection | Dual 10/100BaseT, Twisted Pair RJ45 |
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| Time Protocols | NTP v2 (RFC 1119), NTP v3 (RFC 1305), NTP |
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| v4 (IETF Draft Standard), SNTP (RFC 2030), |
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| Time Protocol (RFC 868), Daytime Protocol |
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| (RFC 867) |
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| Supported Protocols | SNMP v3, TCP/IP, MD5 Authentication (NTP), |
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| SNMP v1 (RFC 1157), DHCP (RFC 2131), SSH |
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| (Secure Shell), HTTP/HTML/HTTPS (RFC |
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| 2616) |
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Serial Connection | Serial Port | |
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Software | Time Utility (MS Windows) | SymmTime™ |
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| symmtime.asp) |
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Timing Accuracy | Network | |
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| GPS | <1 microsecond ( relative to UTC, GPS |
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| tracking) |
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| Oscillator | Rate stability: 5 x |
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GPS Input | Channels and Frequency | Eight, C/A code |
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| Cable Type | 50 feet (15.25m) /RG58 |
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| Antenna | Size: 3.04”d x 2.94”h (7.72cm x 7.47cm) |
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| Operating temperature: |
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| Acquisition <5 minutes |
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Chassis | A/C Power In | |
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| Size and Weight | 1.75”H x 17.0”W x 18”D (4.45cm x 43.2cm x |
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| 45.7cm) |
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| 1U Height Rack Mount, 18 lbs. (8.2Kg) |
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S100 User Guide – Rev. D – June 2005 | 119 |