Figure 15: Tx-Cb - Juniper TX MATRIX Hardware Manual

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Copyright © 2010, Juniper Networks, Inc.
and hot-removable. One TX-CB functions as the master and the other as its backup. If
the master fails or is removed, the backup restarts and becomes the master.
NOTE: A TX-CB and a T-CB are not interchangeable.

Figure 15: TX-CB

Each TX-CB consists of the following components:
100-MB Ethernet switch. This switch is used for intermodule communication.
PCI bus to the Routing Engines.
Switch processor mezzanine board (SPMB).
Three LEDs, located on the TX-CB faceplate. These indicate the status of the TX-CB.
Table 8 on page 34 describes the functions of the TX-CB LEDs.
Online/offline button, located on the TX-CB faceplate. This button is nonfunctional.
Two configuration switches, located on the TX-CB faceplate.
NOTE: The
M/S
always be set to
Two RJ-45 ports labeled
used.
TX Matrix Host Subsystem Description on page 25
TX Matrix Host Subsystem LEDs on the Craft Interface on page 37
TX Matrix Control Board (TX-CB) LEDs on page 34
Chapter 3: TX Matrix Hardware Components Overview
and switches on the TX-CB faceplate must
CHASSIS ID
and .
S 0
and on the TX-CB faceplate. These ports are not
AUX CIP
33