Host Subsystem Components And Description; Ptx5000 Host Subsystem Description - Juniper PTX5000 Hardware Manual

Packet transport router

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Host Subsystem Components and

Documentation

PTX5000 Host Subsystem Description on page 75

PTX5000 Routing Engine Description on page 76

PTX5000 Routing Engine LEDs on page 80

Routing Engines Supported on PTX Series Routers on page 82

PTX5000 Control Board Description on page 83

PTX5000 Control Board LEDs on page 87

The host subsystem provides the routing and system management functions of the

packet transport router. You can install one or two host subsystems. A host subsystem

consists of a Routing Engine installed directly into a slot in a Control Board. To operate,

each host subsystem functions as a unit; the Routing Engine requires the corresponding

Control Board, and vice versa.

We recommend that you install two host subsystems for redundant

Each host subsystem has three LEDs, located on the upper left of the craft interface,

which display the status of the host subsystem. In addition, there are LEDs on each

Routing Engine and Control Board.

PTX5000 Hardware Component Overview on page 5

PTX5000 Craft Interface LEDs on page 18

PTX5000 Control Board Description on page 83

PTX5000 Routing Engine Description on page 76

Maintaining the PTX5000 Host Subsystem on page 484

Troubleshooting the PTX5000 Host Subsystem on page 520

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