Juniper QFX Series - Understanding Interconnect Devices

Figure 34: QFX3500 Device Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Figure 35: QFX3500 Device Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Figure 36: QFX3500 Device Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Figure 37: Fan Tray for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Figure 38: Management Board for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . 68
Figure 39: FRU-Side-to-Port-Side Airflow Through the QFX3500 Chassis . . . . . 69
Figure 40: Port-Side-to-FRU-Side Airflow Through the QFX3500 Chassis . . . . . 70
Figure 41: Label Identifying Airflow Direction on Power Supply Handle . . . . . . . . . 70
Figure 42: Management Board for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . 72
Figure 43: AC Power Supply in QFX3500 Devices . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Figure 44: Label Identifying Airflow Direction on Power Supply Handle . . . . . . . . 74
Figure 45: DC Power Supply for a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . 75
Figure 46: DC Power Supply Faceplate for a QFX3500 Device . . . . . . . . . . . . . . . 76
Figure 47: Label Identifying Airflow Direction on Power Supply Handle . . . . . . . . . 76
Part 2 Planning
Chapter 6 Rack and Cabinet Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Figure 48: Airflow Through the QFX3100 Director Device . . . . . . . . . . . . . . . . . . 100
Figure 49: Airflow Through the Front Card Cage and Powerhouse . . . . . . . . . . . . 101
Figure 50: Airflow Through the Rear Card Cage . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Figure 51: Clearance Requirements for Airflow and Hardware Maintenance for
a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Figure 52: Clearance Requirements for Airflow and Hardware Maintenance for
QFX3500 Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Chapter 9 Planning QFX3100 Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Figure 53: AC Plug Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Chapter 11 Planning QFX35000 Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Figure 54: AC Plug Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Part 3 Safety
Chapter 16 Power and Electrical Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Figure 55: Place a Component into an Antistatic Bag . . . . . . . . . . . . . . . . . . . . . . 193
Part 4 Installation
Chapter 18 Installing a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Figure 56: Unpacking a QFX3100 Director Device . . . . . . . . . . . . . . . . . . . . . . . . . 214
Figure 57: Mounting the QFX3100 Director Device on Two Posts in a Rack . . . . . 216
Figure 58: Mounting a QFX3100 Director Device on Four Posts in a Rack or
Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
Figure 59: Connecting an AC Power Cord to an AC Power Supply in a QFX3100
Director Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
Chapter 19 Installing a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . . . . . . . 223
Figure 60: Installing the Mounting Hardware for a Four-Post Rack or Cabinet . . 228
Figure 61: Installing the Mounting Hardware for a Two-Post Rack . . . . . . . . . . . . 232
Figure 62: Installing a QFX3008-I Interconnect Device in a Four-Post Rack . . . . 237
Copyright © 2012, Juniper Networks, Inc.xiv
QFX3000 Hardware Documentation