Symmetricom XL-GPS - Manual (Page 18)

8 997-01530-01, Rev. C-25, Jan 2008
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GPS Time and Frequency Reference
GPS Time and Frequency reference configuration is via the Keypad, Serial I/O, and Network port.
Options
Expansion Module (87-8034)
The expansion module provides four independently-configurable outputs. The outputs are configured
using jumper/switch settings on the Expansion Module. These are configured at the factory per the sales
order, and can also be configured by the user in the field.
The available output types are as follows:
• IRIG B AM
• IRIG B DC
• Alarm
• 1 PPS
• 1 kPPS
• 10 kPPS
• 100 kPPS
• 1 MPPS
• 5 MPPS
• 10 MPPS
• Optional Programmable Pulse
• Optional Alarm Relay
Connector Quantity and Type: Four female BNC
Frequency: 1575.42 MHz (L1 signal).
Code: Coarse Acquisition (C/A) code.
Tracking: Up to 12 satellites.
Position Accuracy within 10 meters when tracking four (4) satellites.
1 PPS Accuracy: UTC(USNO) 30 nanoseconds RMS
Time standard: UTC
Antenna input: BNC female
Antenna power: +12 VDC