Chapter 17 Replacing Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Figure 57: Installing an AC Power Supply in an EX4550 Switch . . . . . . . . . . . . . 204
Figure 58: Removing an AC Power Supply from an EX4550 Switch . . . . . . . . . . 205
Figure 59: Installing a DC Power Supply in an EX4550 Switch . . . . . . . . . . . . . . 207
Figure 60: Removing a DC Power Supply from an EX4550 Switch . . . . . . . . . . . 208
Chapter 18 Replacing Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Figure 61: Installing an SFP+ Expansion Module in an EX4550-32F Switch . . . . 210
Figure 62: Installing a 10GBASE-T Expansion Module in an EX4550-32T
Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Figure 63: Installing a QSFP+ Expansion Module in an EX4550-32T Switch . . . . 211
Figure 64: Removing an SFP+ Expansion Module from an EX4550-32F
Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
Figure 65: Removing a 10GBASE-T Expansion Module from an EX4550-32T
Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Figure 66: Removing a QSFP+ Expansion Module from an EX4550-32T
Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Chapter 19 Replacing Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Figure 67: Installing a Transceiver in an EX Series Switch . . . . . . . . . . . . . . . . . . . 217
Figure 68: Removing a Transceiver from a Switch . . . . . . . . . . . . . . . . . . . . . . . . . 219
Chapter 20 Maintaining and Replacing Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . 221
Figure 69: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed
in a Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
Chapter 21 Replacing Virtual Chassis Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Figure 70: Installing the Virtual Chassis Module in an EX4550 Switch . . . . . . . . 226
Figure 71: Removing the Virtual Chassis Module from an EX4550 Switch . . . . . . 227
Chapter 22 Maintaining and Replacing Virtual Chassis Cable . . . . . . . . . . . . . . . . . . . . 229
Figure 72: Connecting a Virtual Chassis Cable to a Dedicated VCP on a Virtual
Chassis Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Figure 73: Disconnecting a Virtual Chassis Cable from a Dedicated VCP on a
Virtual Chassis Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Chapter 23 Contacting Customer Support and Returning the Chassis or
Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Figure 74: Location of the Serial Number ID Label on an EX4550 Switch . . . . . . 235
Figure 75: Location of the Serial Number ID Label on an AC Power Supply Used
in an EX4550 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Figure 76: Location of the Serial Number ID Label on a DC Power Supply Used
in an EX4550 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Figure 77: Location of the Serial Number ID Label on a Fan Module Used in an
EX4550 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Figure 78: Location of the Serial Number ID Label on a SFP+ Expansion Module
Used in an EX4550 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Figure 79: Location of the Serial Number ID Label on a 10GBASE-T Expansion
Module Used in an EX4550 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Figure 80: Location of the Serial Number ID Label on a Virtual Chassis Module
Used in an EX4550 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
xiCopyright © 2015, Juniper Networks, Inc.
List of Figures