Gps Port Pinout; Time Of Day Pinout - Cisco ASR 907 Hardware Installation Manual

GPS Port Pinout

GPS Port Pinout
The platform is capable of receiving or sourcing GPS signals of 1 PPS & 10 MHz. These interfaces are
provided by two mini-coax 50-Ohm, 1.0/2.3 DIN series connector on the front panel. Similarly there are two
mini-coax 50-Ohm connectors provided in the front panel to output this 1PPS and 10MHz.
The table below summarizes the GPS port pinouts.
Table 12: GPS Port Pinout
Waveform
Amplitude
Impedance
Pulse Width
Rise Time

Time of Day Pinout

The table below summarizes the ToD pinouts.
Table 13: ToD pinouts
Pin
1
2
3
4
5
Cisco ASR 907 Router Hardware Installation Guide
122
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
Signal Name Direction
RESERVED Output or Inputs
RESERVED Output or Inputs
1PPS_N Output
GND —
—
Troubleshooting
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
Do Not Connect
1PPS RS422 signal
—
—