User's Manual

DEC. 2011—EFT REVIEW DRAFT—CISCO CONFIDENTIAL
2-31
Cisco 1240 Connected Grid Router Hardware Installation Guide
OL-12345-01
Chapter 2 Router Hardware Description
Hardware Features Detailed Description
Specifications
Related Commands
Use the commands in this section to see the GPS current time and location.
Use the show gps time command to display the current GPS time:
cgr-1000# show gps time
8:46:9.923 UTC Fri Sep 11 2011
Use the show gps location command to display the GPS latitude and longitude:
cgr-1000# show gps location
Latitude: 37.4090637
Longitude -121.9523598
Specification Description
Channels
12
Tracking sensitivity
-160 dBm
Acquisition sensitivity
-148 dBM
Fast TTFF (Cold start)
38 sectons
Error correction
Space Based Augmentation Systems (SBAS)
Timing protocols
NMEA (0183 v3.0 Messages), TSIP, TAIP
Serial ports
2
For pinouts, see the appendix Connector and Cable
Specifications
Pulse Per Second (PPS) Specifications
PPS CMOS output 1
PPS Output Mode Always on (Early PPS)
PPS pulse width (configurable) 4.2 microseconds (default)
PPS polarity (configurable) -1 positive (default)