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Cisco NCS 540 Hardware Installation Guide

Cisco NCS 540
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Port
Number
Maximum Port Number InterfaceCategory
0/2-0/333225GE
0/0-0/1240GE
0/2-0/9850GE
0/0-0/12100GE
0/0-0/12200GE
0/0-0/12400GE
Network Timing Interfaces
1PPS input or output and ToD input or output—This shielded RJ-45 interface is used for input or output
of time-of-day (ToD) and 1PPS pulses. ToD format includes both NTP and IEEE 1588-2008 time formats.
The same RS422 pins for 1PPS and TOD are shared between input and output directions. The direction for
each can be independently configurable through software.
Use an SMB connector on the front panel for the following:
Timing 10Mhz input and output—10MHz input for timing synchronization
Timing 1 PPS input and output—1 PPS input for timing synchronization
GNSS Receiver
The chassis has in-built GNSS receiver with SMA connector present at the front panel. GNSS supports the
following constellations:
GPS
Galileo
Glonass
BeiDou
GNSS Receiver RF Input Requirements
The antenna connector specification is as follows:
SMA Female 50 Ohm connector
50 Ohm antenna cable with SMA Male connector
Cisco Network Convergence System 540 Large Density Routers Hardware Installation Guide
11
Cisco NCS 540 Large Density Routers Overview
Network Timing Interfaces

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Cisco NCS 540 Specifications

General IconGeneral
Operating SystemCisco IOS XR
Memory16 GB DDR4
Storage128 GB SSD
PortsMultiple 1G/10G/40G/100G Ethernet ports
Forwarding Capacity800 Gbps
RedundancyRedundant power supplies and fans
Form Factor1 RU
Operating Relative Humidity5% to 95% noncondensing
Input Voltage100-240 VAC, 50-60 Hz
Power SupplyAC or DC
ProcessorQuad-core 2.4 GHz

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