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Juniper T640 Hardware Guide

Juniper T640
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List of Figures
Part 1 Overview
Chapter 1 System Overview and Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Figure 1: Router Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 2: Control Packet Handling for Routing and Forwarding Table Updates . . . . 6
Figure 3: Data Flow Through the T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Chapter 3 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 4: Front View of T640 Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 5: Rear View of T640 Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 6: T640 Midplane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 7: Cable Management System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 8: CIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 9: Front Panel of the T640 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 10: T640 LCD in Idle Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 11: T640 LCD in Alarm Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 12: SCG with DB-9 Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 13: SCG with RJ-48 ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 14: SCG with RJ-48 ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Chapter 4 Cooling System Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 15: Airflow Through the Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 16: Quiet Upper Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 17: Quiet Lower Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Chapter 5 Host Subsystem Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . 35
Figure 18: Routing Engine 600 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 19: Routing Engine 1600 (RE-1600) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Figure 20: Routing Engine C1800 (RE-C1800) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure 21: RE-C1800 LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure 22: Routing Engine 2000 (RE-2000) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Figure 23: LCC-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Figure 24: LCC-CB LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Figure 25: T640 Standard Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Figure 26: T-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Chapter 6 Line Card Components and Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Figure 27: FPC Installed in a T640 Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Figure 28: FPC Edges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Figure 29: Enhanced Scaling FPC1 Supported by the T640 Router . . . . . . . . . . . . 71
Figure 30: Standard FPC2 and FPC3 Supported by the T640 Router . . . . . . . . . . 72
Figure 31: Enhanced II FPC1, FPC2, and FPC3 Supported by the T640 Router . . . . 73
xviiCopyright © 2017, Juniper Networks, Inc.

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Juniper T640 Specifications

General IconGeneral
BrandJuniper
ModelT640
CategoryNetwork Router
LanguageEnglish

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