134
C
HAPTER
3: T
ELEPHONES
AND
A
TTENDANT
C
ONSOLES
connect an Attendant Console to a powered Ethernet cable depends on
the type of Ethernet power in use at your facility. NBX devices work with:
■
Ethernet power sources that comply with the IEEE 802.3af standard
■
3Com Ethernet power sources that predate 802.3af
See
Table 31
for power connection instructions for 3Com Attendant
Consoles.
Table 31
Connecting Power to a 3Com Attendant Console
Power Source
Connection Details
AC power adapter
The Attendant Console can accept power
from a power adapter. Use the adapter
that comes with your Attendant Console.
Connect the AC adapter’s power jack to the
power connector
1
on the bottom of the
Attendant Console. Connect an Ethernet cable
2
from a 3Com Telephone switch port or from
a data jack to the Ethernet connector on the
bottom of the Attendant Console.
3105 Attendant Console, top
1105 Attendant Console, bottom
Power over Ethernet (802.3af-compliant)
power source
The 3105 is compliant with 802.3af. You can
connect a powered Ethernet cable
1
,
directly to
the device’s Ethernet connector.
The 1105 predates the
802.3af standard so you
must use a
3Com
Network Jack to NBX
Phone Power Module
(3CNJVOIPMOD-NBX)
1
.
The module receives power from an
802.3af-compliant power source through an Ethernet cable
2
and splits
it into an unpowered Ethernet connection
3
and a power jack
4
.
1
2
1
2
1
1
3
2
4
3CNJVOIPMOD-NBX
Summary of Contents for V3000 ANALOG
Page 20: ...20 ABOUT THIS GUIDE ...
Page 80: ...80 CHAPTER 1 INTRODUCTION ...
Page 120: ...120 CHAPTER 2 INSTALLING SYSTEM HARDWARE COMPONENTS ...
Page 142: ...142 CHAPTER 4 ANALOG LINES ...
Page 162: ...162 CHAPTER 8 T1 DIGITAL LINE CARD ...
Page 192: ...192 CHAPTER 10 CONFIGURING IP TELEPHONY ...
Page 198: ...198 CHAPTER 11 TROUBLESHOOTING ...
Page 224: ...224 APPENDIX A SPECIFICATIONS ...
Page 230: ...230 APPENDIX B CIRCUIT PROVISIONING ...
Page 240: ...240 APPENDIX D OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS ...