CHAPTER 5
Host Subsystem Components and
Descriptions
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T640 Host Subsystem Description on page 35
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T640 Routing Engine Description on page 36
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T640 RE-600 Description on page 37
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T640 RE-600 LEDs on page 39
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T640 RE-1600 Description on page 39
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T640 RE-1600 LEDs on page 41
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T640 RE-C1800 Description on page 42
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T640 RE-C1800 LEDs on page 43
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T640 RE-2000 Description on page 44
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T640 RE-2000 LEDs on page 45
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Routing Engine Specifications on page 46
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Supported Routing Engines by Router on page 49
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T640 LCC-CB Description on page 61
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T640 LCC-CB LEDs on page 62
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T640 Standard Control Boards Description on page 63
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T640 Standard Control Boards LEDs on page 64
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T640 T Series Control Boards (T-CBs) Description on page 64
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T640 T Series Control Boards (T-CBs) LEDs on page 66
T640 Host Subsystem Description
The host subsystem provides the routing and system management functions of the
router. You can install one or two host subsystems on the router. To operate, each host
subsystem functions as a unit; the Routing Engine requires the corresponding control
board, and vice versa.
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