Host Subsystem Components And Descriptions; T4000 Host Subsystem Description - Juniper T4000 Hardware Manual

CHAPTER 5
Host Subsystem Components and
Descriptions

T4000 Host Subsystem Description

Related
Documentation
Copyright © 2018, Juniper Networks, Inc.
T4000 Host Subsystem Description on page 29
T4000 Control Board Description on page 30
T4000 LCC-CB on page 30
T4000 LCC-CB Control Board LEDs on page 31
T4000 Routing Engine Description on page 33
T4000 RE-C1800 Routing Engine Description on page 34
T4000 RE-C1800 LEDs on page 35
Routing Engine Specifications on page 36
Supported Routing Engines by Router on page 40
The host subsystem provides the routing and system management functions of the
router. The host subsystem consists of a Routing Engine and an adjacent control board.
To operate, each host subsystem functions as a unit; the Routing Engine requires the
corresponding control board, and vice versa.
NOTE: You can install one or two host subsystems on the router. We
recommend that you install two host subsystems for redundant protection.
If you install only one host subsystem, we recommend that you install it in
slots and
RE0 CB0
Each host subsystem has three LEDs, located on the upper right of the craft interface,
that display its status. In addition, there are LEDs on each Routing Engine and control
board.
T4000 Routing Engine Description on page 33
T4000 RE-C1800 Routing Engine Description on page 34
T4000 LCC-CB on page 30
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