Table 3: T640 Hardware Components (continued)
DescriptionHardware Model NumberComponent
“T640 Routing Engine Description” on page 36
“T640 RE-600 Description” on page 37
“T640 RE-1600 Description” on page 39
“T640 RE-2000 Description” on page 44
“T640 RE-C1800 Description” on page 42
RE-600-2048
RE-1600-2048
RE-A-2000-4096
RE-DUO-C1800-8G
RE-DUO-C1800-16G
Routing Engine
“T640 SONET Clock Generators (SCGs)
Description” on page 27
SCG-T-EC
SCG-T
SONET Clock Generator (CCG)
“T640 Switch Interface Boards (SIBs)
Description” on page 111
“T640 LCC-CB Description” on page 61
“T640 T Series Control Boards (T-CBs)
Description” on page 64
SIB-TXP-T1600
SIB-T1600
Switch Interface Board (SIB)
Related
Documentation
T640 Router Description on page 3•
• T640 Field-Replaceable Units on page 261
T640 Chassis Description
The T640 Core Router chassis is a rigid sheet metal structure that houses all the other
router components (see Figure 4 on page 16 and Figure 5 on page 17). The chassis
measures 37.45 in. (95.1 cm) high, 31 in. (78.7 cm) deep, and 17.43 in. (44.3 cm) wide. For
physical specifications, see “T640 Physical Specifications” on page 119. The chassis can
be installed into many types of racks or cabinets. For more information. see “T640 Rack
Requirements” on page 120.
The chassis includes the following features (see Figure 4 on page 16 and
Figure 5 on page 17):
•
One pair of metal flanges for front-mounting or mounting in a four-post rack or cabinet.
•
One pair of metal brackets for center-mounting.
•
Installation handles on each side to facilitate positioning the router in the rack. Do not
use the handles to lift the router.
•
Two electrostatic discharge (ESD) points (banana plug receptacles), one front and
one rear.
15Copyright © 2017, Juniper Networks, Inc.
Chapter 3: Chassis Components and Descriptions