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Chapter 24 Replacing an internal component
191
BCM50 Installation and Maintenance Guide
To disconnect the cables
1
Remove the 25-pair cable from the RJ-21 telephony connector on the front of the BCM50
main unit.
2
Remove the Ethernet cable from the LAN port.
3
If the main unit is a BCM50a or BCM50e, remove the Ethernet cable or ADSL line from the
WAN port and the Ethernet cables from the Router card LAN ports.
4
Remove the expansion cables or LAN cables from the Expansion ports on the BCM50 main
unit. For the expansion cables, make sure you mark the cables with the number of the port to
which they were connected.
5
If the system uses the external Music Source port, remove the cable from the Music Source
port.
6
If the system uses a UPS, remove the USB cable from the USB port.
7
Rotate the power supply retention clip to free the power supply cord.
8
Remove the power supply cord from the BCM50 main unit.
9
Continue to the next step,
“Removing the main unit”
.
Removing the main unit
The method you use to remove the main unit depends on how the unit is mounted. Use one of the
following procedures to remove the BCM50 main unit:
•
“To remove a rackmounted main unit”
•
“To remove a wallmounted main unit” on page 192
•
“To remove a desktop-mounted main unit” on page 192
To remove a rackmounted main unit
1
Ensure that all the cables are removed from the main unit.
If they are not, refer to
“To disconnect the cables”
.
2
If a unit is mounted on top of the main unit, slide that unit forward until it disengages from the
clips on the main unit. Lift the unit off of the top of the main unit.
3
If the main unit has been secured to the rackmount shelf with screws, remove these screws
from the bottom of the rackmount shelf.
4
Slide the main unit forward until is disengages from the clips on the rackmount shelf.
Warning:
Leakage currents
You must disconnect the telephony and data networking cables from the system
before disconnecting the power cord from a grounded outlet.
Содержание BCM50
Страница 1: ...Part No N0027152 01 08 April 2005 BCM50 Installation and Maintenance Guide ...
Страница 8: ...8 Task List N0027152 01 N0027152 01 ...
Страница 16: ...16 Contents N0027152 01 N0027152 01 ...
Страница 34: ...34 Chapter 1 Getting started with BCM50 N0027152 01 N0027152 01 ...
Страница 58: ...58 Chapter 2 Introducing the BCM50 hardware N0027152 01 N0027152 01 ...
Страница 70: ...70 Chapter 4 Determining DHCP server configuration and IP address N0027152 01 N0027152 01 ...
Страница 74: ...74 Chapter 5 Installing the BCM50 system N0027152 01 N0027152 01 ...
Страница 96: ...96 Chapter 8 Installing an expansion unit N0027152 01 N0027152 01 ...
Страница 116: ...116 Chapter 10 Installing telephones and peripherals N0027152 01 N0027152 01 ...
Страница 122: ...122 Chapter 11 Installing the analog terminal adapter N0027152 01 N0027152 01 ...
Страница 126: ...126 Chapter 12 Configuring the BCM50 system N0027152 01 N0027152 01 ...
Страница 132: ...132 Chapter 13 Using Telset Administration to set the basic parameters N0027152 01 N0027152 01 ...
Страница 148: ...148 Chapter 15 Using the Startup Profile to configure parameters N0027152 01 N0027152 01 ...
Страница 158: ...158 Chapter 17 Connecting the BCM50 system to the LAN and WAN N0027152 01 N0027152 01 ...
Страница 168: ...168 Chapter 19 Replacing the BCM50 system components N0027152 01 N0027152 01 ...
Страница 172: ...172 Chapter 20 Replacing a power supply N0027152 01 N0027152 01 ...
Страница 178: ...178 Chapter 21 Replacing a main unit N0027152 01 N0027152 01 ...
Страница 182: ...182 Chapter 22 Replacing a media bay module N0027152 01 N0027152 01 ...
Страница 214: ...214 Appendix E DTM wiring chart N0027152 01 N0027152 01 ...
Страница 220: ...220 Appendix G GATM wiring chart N0027152 01 N0027152 01 ...
Страница 224: ...224 Appendix H 4x16 wiring charts N0027152 01 N0027152 01 ...
Страница 240: ...240 Appendix K System region attributes N0027152 01 N0027152 01 ...
Страница 246: ...246 Index N0027152 01 N0027152 01 ...