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.
4
GND
