Cisco ASR 1000 Series - Page 556

A-12
Cisco ASR 1000 Series Aggregation Services Routers Hardware Installation Guide
OL-13208-11
Appendix A Cisco ASR 1000 Series Router Specifications
Cisco ASR 1002 Router, Cisco ASR 1002-F Router, and Cisco ASR 1002-X Router Specifications
Cisco ASR 1002-X Router BNC GPS Ports
Table A-22 describes the BNC GPS ports on the Cisco ASR 1002-X.
Cisco ASR 1002-X Router Time of Day Port Pinout
Table A-23 summarizes the pinout of the ToD/1PPS port pinout on the Cisco ASR 1002-X.
Table A-21 BITS RJ-45 Interface Pinouts for Cisco ASR 1002-X Router
Pin Signal Direction Description
1 RX Ring Input Receive Ring
2 RX TIP Input Receive TIP (T1/E1)
3, 4 N/C — Not used
5 TX Ring Output Transmit Ring
6 TX TIP Output Transmit TIP (T1/E1)
7,8 N/C — —
Table A-22 GPS Port Pinout
Signal Attribute 10 Mhz (input and output) 1PPS (input and output)
Waveform Input—Sine wave
Output—Square wave
Input—Pulse shape
Output—Pulse shape
Amplitude Input— > 1.7 volt p-p
(+8 to +10 dBm)
Output— > 2.4 volts TTL
compatible
Input— > 2.4 volts TTL
compatible
Output— > 2.4 volts TTL
compatible
Impedance 50 ohms 50 ohms
Pulse Width 50% duty cycle 26 microseconds
Rise Time Input—AC coupled
Output—5 nanoseconds
40 nanoseconds
Table A-23 RJ45 1PPS/ToD Port Pinout
Pin Signal Name Direction Description
1 1PPS_P Output or Input 1PPS RS422
signal
2 1PPS_N Output or Input 1PPS RS422
signal
3 RESERVED Output Do not use this
pin.
4GND