Additional Safety Information
■
Only connect apparatus complying with the relevant interface requirements to the ports on
this unit.
■
Disconnect the power adapter before moving the unit.
■
Retain this user’s guide for later use and pass it on in the event of change of ownership of
the unit.
■
Protect the unit from sudden, transient increases and decreases in electrical power by fitting
an in-line surge suppressor or uninteruptable power supply. Products manufactured by us
are safe and without risk provided they are installed, used and maintained in good working
order in accordance with our instructions and recommendations.
■
If any of the following conditions occur, isolate the electricity supply and refer to your 3Com
reseller.
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If the case or cover is not correctly fitted or if it is damaged.
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If the unit begins to make an odd noise, smell or smoke.
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If the unit shows signs of a distinct change in performance.
■
Never install telephone wires during a lightning storm, or install telephone connection
sockets in wet locations, unless the socket is specifically designed for wet locations.
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Do not touch uninstalled telephone wires or terminals unless the telephone line has been
disconnected at the network interface. Always exercise caution when installing or modifying
telephone lines.
■
Do not use a telephone, which is connected to the unit, to report a gas leak in the vicinity of
the leak.
■
Do not spill food or liquids on the unit. If the unit gets wet, isolate the electrical supply and
contact your 3Com reseller.
■
Do not push any objects into the openings of the unit. Doing so can cause fire or electric
shock by shorting out internal components.
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Only equipment approved for use by your telecoms company can be connected to the
telephone port.
■
Avoid using a telephone, which is connected to the unit (other than a cordless type), during
an electrical storm.
■
Equipment connected to the telephone port must be located in the same building as the
unit.
■
Be sure nothing rests on the units system cables and that the cables are not located where
they can be stepped on and cause damage to the unit.
■
Keep the unit away from radiators and heat sources. Allow 25mm (1inch) around the unit to
provide adequate air circulation.
■
Install the unit in a clean area that is free from dust or extreme temperatures.
■
Allow a clearance gap of at least a 150 mm (6 inches) from the rear panel of the unit, to
allow for cable access.
■
Interconnecting directly, or by way of other apparatus, to ports complying with SELV
requirements may produce hazardous conditions on the network. Advice should be sought
from a competent engineer before such a connection is made.
Summary of Contents for OfficeConnect 3C892A
Page 8: ......
Page 14: ......
Page 22: ...16 CHAPTER 1 INTRODUCTION ...
Page 32: ...26 CHAPTER 2 ISDN LAN MODEM FUNCTIONALITY DESCRIPTION ...
Page 42: ...36 CHAPTER 3 HARDWARE DESCRIPTION AND INSTALLATION ...
Page 52: ...46 CHAPTER 4 SETTING UP TCP IP FOR WINDOWS AND MACINTOSH ...
Page 64: ...58 CHAPTER 5 CONFIGURING THE ISDN LAN MODEM ...
Page 90: ...84 CHAPTER 7 SUPPLEMENTARY VOICE CALL SERVICES ...
Page 96: ...90 CHAPTER 8 PLACING RECEIVING AND DISCONNECTING CALLS ...
Page 114: ...108 APPENDIX A NETWORKING PRIMER ...
Page 118: ...112 APPENDIX C ISDN LAN MODEM FACTORY DEFAULTS ...
Page 122: ...116 APPENDIX D ISDN LAN MODEM SPECIFICATIONS ...
Page 126: ...120 GLOSSARY ...
Page 128: ...122 INDEX ...
