Internet Router Hardware Guide

List of Tables
Table 1: Notice Icons ............................................................................ xx
Table 2: Text and Syntax Conventions.......................................................... xx
Table 3: Juniper Networks Technical Documentation .........................................xxi
Table 4: Field-Replaceable Units ................................................................. 4
Table 5: Chassis Physical Specifications ........................................................ 11
Table 6: States for PCG LEDs ................................................................... 19
Table 7: States for SFM LEDs.................................................................... 22
Table 8: States for MCS LEDs ................................................................... 27
Table 9: Alarm LEDs and Alarm Cutoff/Lamp Test Button .................................... 29
Table 10: States for Host Module LEDs ......................................................... 31
Table 11: States for FPC LEDs................................................................... 32
Table 12: States for Power Supply LEDs ....................................................... 37
Table 13: Electrical Specifications for Power Supply........................................... 38
Table 14: Spacing of Holes on Front Support Post and Center-Mounting Bracket............ 61
Table 15: Routing Node Environmental Specifications ........................................ 63
Table 16: Component Power Requirements ................................................... 66
Table 17: DC Power and Grounding Cable Specifications...................................... 69
Table 18: Estimated Values for Factors Causing Link Loss .................................... 73
Table 19: Cable and Wire Specifications for Routing Engine Management and Alarm
Interfaces ................................................................................... 75
Table 20: Site Preparation Checklist ............................................................ 75
Table 21: Generic Inventory of Router Components Installed in Chassis ..................... 79
Table 22: Router Component Weights.......................................................... 83
Table 23: FPC Removal Checklist............................................................... 94
Table 24: Tools and Parts Required ............................................................140
Table 25: Fuse Specifications...................................................................206
Table 26: Chassis Alarm Messages.............................................................209
Table 27: SONET/SDH Interface Alarm Messages.............................................210
Table 28: RJ-45 Connector Pinout..............................................................269
Table 29: DB-9 Connector Pinout ..............................................................270
Table 30: RJ-48 Connector to RJ-48 Connector (Straight) Pinout .............................270
Table 31: RJ-48 Connector to RJ-48 Connector (Crossover) Pinout...........................271
Table 32: RJ-48 Connector to DB-15 Connector (Straight) Pinout ............................272
Table 33: RJ-48 Connector to DB-15 Connector (Crossover) Pinout..........................272
Table 34: DB-25 Connector to V.35 Connector Pinout ........................................273
Table 35: DB-25 Connector to DB-15 (X.21) Connector Pinout...............................274
Table 36: RJ-21 Pin Assignments...............................................................275
List of Tables xvii