Cisco NCS 55A1-36H User Manual

Clearance Requirements
The fixed-port chassis requires front-to-back airflow. Leave at least 6.0 in. (15.24 cm) front and rear clearance
for air intake/exhaust. Leave an additional 6.0 in. (15.24 cm) rear clearance for removal and installation of
power supplies and fan modules.
Figure 33: Clearances Required Around the Chassis
6.0 in. (15.24 cm) rear clearance for air
intake/exhaust.
4Chassis1
Additional 6.0 in. (15.24 cm) rear clearance for
removal and installation of power supplies and
fan modules.
56.0 in. (15.24 cm) front clearance for air
intake/exhaust.
2
Chassis depth3
Weight, Quantity and Power Consumption
NCS 5501 Fixed Chassis Weight, Quantity and Power Consumption
The NCS 5501 fixed chassis offers two hot-swappable power supplies providing 1+1 redundancy. For 1+1
redundancy mode, there must be two subsystems each, providing enough power supply to maintain the system.
Table 10: NCS 5501 and NCS 5501 SE Weight, Quantity and Power Consumption
Maximum PowerTypical PowerWeight per UnitComponent
Chassis
Hardware Installation Guide for Cisco NCS 5500 Series Fixed-Port Routers
62
System Specifications
Clearance Requirements

Cisco NCS 55A1-36H Specifications

General

Model	NCS 55A1-36H
Total Slots/Ports	36
Operating System	Cisco IOS XR
Memory	32 GB
Product Family	NCS 5500 Series
Power Supply	AC or DC
Cooling	Front-to-back airflow
Management Interfaces	Console, Ethernet, USB
Operating Temperature	32°F to 104°F (0°C to 40°C)
Humidity	5 to 95% non-condensing