Cisco NCS 5508

Table 3: BITS Port Pinouts
DescriptionDirectionSignal NamePin
Receive RingInputRX Ring1
Receive TipInputRX Tip2
Not used––3
TX RingOutputTX Ring4
TX TipOutputTX Tip5
Not used––6
Not used––7
Not used––8
Time-of-Day Port Pinouts
The table below summarizes the ToD/1-PPS port pinouts.
Table 4: RJ-45 ToD/1-PPS Port Pinouts
DescriptionDirectionSignal NamePin
–––1
–––2
1PPS RS422 signalOutput or Input1PPS_N3
––GND4
––GND5
1PPS RS422 signalOutput or Input1PPS_P6
Time-of-Day characterOutput or InputTOD_N7
Time-of-Day characterOutput or InputTOD_P8
Management and PTP Ethernet Port Pinouts
The table below summarizes the Management and Precision Time Protocol (PTP) Ethernet port pinouts.
Table 5: Management and PTP Ethernet Port Pinouts
Signal NamePin
TRP0+1
Hardware Installation Guide for Cisco NCS 5500 Series Modular Routers
13
NCS 5500 Series Modular Router Overview
Time-of-Day Port Pinouts