T640 T Series Control Boards (T-Cbs) Description; Figure 24: T-Cb - Juniper T640 Hardware Manual

Related
Documentation
Copyright © 2013, Juniper Networks, Inc.
T640 Chassis Description on page 13
Replacing a T640 Standard Control Board or T-CB on page 259
Maintaining the T640 Control Boards on page 184

T640 T Series Control Boards (T-CBs) Description

Each T-CB consists of the following components:
100-MB Ethernet switch for intermodule communication.
PCI bus to the Routing Engines.
Processor subsystem (SPMB).
Figure 24 on page 45 shows the T-CB.

Figure 24: T-CB

The following components are located on the T-CB faceplate:
The , , and
MASTER FAIL
Online/offline button.
NOTE: When the adjacent Routing Engine is online, the online/offline
button on the T-CB faceplate is nonfunctional. For more information, see
"Taking the T640 Host Subsystem Offline" on page
Two RJ-45 ports labeled
For T640 routers connected to a TX Matrix platform, only the
information, see the TX Matrix Router Hardware Guide
The and
M/S CHASSIS ID
For a standalone T640 router, the
always be set to and
S
Chapter 3: T640 Router Hardware Component Overview
LEDs, which indicate the status of the T-CB.
OK
and on the T-CB faceplate.
AUX CIP
configuration switches.
M/S and CHASSIS ID
.
0
256.
port is used. For more
CIP
.
configuration switches must
45