• For cable requirements for optical module connections, see the Transceiver and Cable Specifications,
on page 17 section. Each port must match the wave-length specifications on the other end of the cable,
and the cable must not exceed the maximum cable length.
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 inches (15.24 cm) rear clearance for removal and installation
of power supplies and fan modules.
Figure 15: Clearance Requirement
6.0 inches (15.24 cm) rear
clearance for air intake/exhaust.
4Chassis1
Hardware Installation Guide for Cisco NCS 5700 Series Fixed-Port Routers
22
Prepare for Installation
Clearance Requirements