Tx Matrix Switch Interface Boards (Tx-Sibs) Overview; Tx Matrix Switch Interface Boards (Tx-Sibs) Description - Juniper TX MATRIX Hardware Manual

TX Matrix Switch Interface Boards (TX-SIBs) Overview

TX Matrix Switch Interface Boards (TX-SIBs) Description

Copyright © 2010, Juniper Networks, Inc.
TX Matrix Switch Interface Boards (TX-SIBs) Description on page 23
TX Matrix TX-SIB LEDs on page 24
The TX-SIBs create the switch fabric for the TX Matrix router, providing up to a total of
3 billion packets per second (Gpps) of forwarding (see Figure 11 on page 24). Five TX-SIBs
are installed vertically in the front of the TX Matrix router. The TX-SIBs are referred to as
through
TX-SIB-0 TX-SIB-4
One of the five TX-SIBs—usually
TX-SIBs. If a TX-SIB or T640-SIB fails, the backup data switching plane becomes active
and traffic forwarding continues without any degradation. When the failed component
is replaced, the data switching plane in which it resides becomes the new backup. If the
failed component is not replaced, and a TX-SIB or T640-SIB in an active data switching
plane fails, only that component is taken offline.
TX-SIBs are hot-removable and hot-insertable.
Each TX-SIB consists of the following components:
Switch fabric ASICs.
A high-speed fiber-optic link to each T640 router in the routing matrix (a total of four
links labeled LCC0 through
across four T640 routers.
Two status LEDs located to the right of each fiber-optic array adapter on the TX-SIB
faceplate. Table 5 on page 24 describes the functions of these LEDs.
An ONLINE/OFFLINE button next to each fiber-optic array adapter that brings the
corresponding interface and T640-SIB online and offline.
Chapter 3: TX Matrix Hardware Components Overview
(left to right).
—acts as a backup to the remaining four
TX-SIB-0
LCC3 ). The four links represent one data switching plane
23