Chassis Components And Descriptions; M320 Chassis Description - Juniper M320 Hardware Manual

CHAPTER 3

Chassis Components and Descriptions

M320 Chassis Description

Copyright © 2015, Juniper Networks, Inc.
M320 Chassis Description on page 7
M320 Midplane Description on page 10
M320 Fuses on page 12
M320 Cable Management System Description on page 12
M320 Connector Interface Panel (CIP) Description on page 13
M320 Craft Interface Description on page 15
M320 Craft Interface Alarm LEDs and ACO/LT Button on page 16
M320 Craft Interface LED Display and Navigation Buttons on page 16
M320 Craft Interface Host Subsystem LEDs on page 18
M320 Craft Interface FPC LEDs and Online/Offline Buttons on page 18
M320 Craft Interface Power Supply LEDs on page 19
M320 Craft Interface SIB LEDs on page 19
The router chassis is a rigid sheet metal structure that houses all the other router
components (see Figure 1 on page
17.43 in. (44.3 cm) wide, and 25.64 in. (65.1 cm) deep (from the front-mounting flanges
to the rear of the chassis). The chassis can be installed in many types of racks or cabinets.
For more information, see "M320 Cabinet Size and Clearance Requirements" on page
and "Rack Requirements for the M320 Router" on page
The chassis includes the following features (see
and Figure 3 on page 10):
One pair of metal adjustable center-mounting brackets that can be attached to one
of 11 positions on the side of the chassis. You can use the brackets for mounting the
chassis in the rack or cabinet.
Two installation handles on the top to facilitate positioning the router in the rack. Do
not use the handles to lift the router.
Two electrostatic discharge points (banana plug receptacles): one front and one rear.
8). The chassis measures 34.80 in. (88.4 cm) high,
87.
Figure 1 on page
88,
8, Figure 2 on page 9,
7