Gps Port Pinout; Time Of Day Port Pinout - Cisco ASR 903 Hardware Installation Manual
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Also See for ASR 903:
- Release notes (280 pages) ,
- Installation manual (200 pages) ,
- Hardware installation manual (196 pages)
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Pinouts
Table 5-1
Pin
6
7
8
GPS Port Pinout
Table 5-2
Table 5-2
Waveform
Amplitude
Impedance
Pulse Width
Rise Time
Time of Day Port Pinout
Table 5-3
Table 5-3
Pin
1
2
3
4
5
6
Cisco ASR 903 Router Hardware Installation Guide
5-2
BITS Port Pinout (continued)
Signal Name
Direction
summarizes the GPS port pinouts.
GPS Port Pinout
10 Mhz (input and output)
Input—Sine wave
Output—Square wave
Input— > 1.7 volt p-p
(+8 to +10 dBm)
Output— > 2.4 volts TTL
compatible
50 ohms
50% duty cycle
Input—AC coupled
Output—5 nanoseconds
summarizes the ToD/1PPS port pinout.
RJ45 1PPS/ToD Port Pinout
Signal Name
Direction
1PPS_P
Output or Input
1PPS_N
Output or Input
RESERVED
Output
GND
GND
RESERVED
Input
Description
Not used
Not used
Not used
1PPS (input and output)
Input—Pulse shape
Output—Pulse shape
Input— > 2.4 volts TTL
compatible
Output— > 2.4 volts TTL
compatible
50 ohms
26 microseconds
40 nanoseconds
Description
1PPS RS422
signal
1PPS RS422
signal
Do NOT connect
Time of Day
character
Do NOT connect
Chapter 5
Troubleshooting
OL-25178-04
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