Hardware Description
17
Back Panel Connector
Description
The back panel contains the connectors illustrated in Figure 6.
Figure 6
Dual 56K LAN Modem Back Panel
From left to right, the back panel consists of the following:
■
Power:
Connect the power module cable to this port.
■
RESET:
Press this button to re-initialize or factory re-set the unit (refer to
Chapter 10 for instructions).
■
LAN 1, 2, 3, and 4:
Connect up to four computers (or a combination of
computers and an external hub), to these four
10BASE-T Ethernet
ports.
■
LINE 1:
Connect one of the provided RJ-11 analog cables from the wall outlet
to this port.
■
PHONE 1
: Connect an external analog device, such as a telephone or fax
machine, to this port.
■
LINE 2:
Connect the second RJ-11 analog cable from the wall outlet to this
port.
■
PHONE 2
: Connect an additional external analog device, such as a telephone
or fax machine, to this port.
COLL
Amber
Ethernet Collision Status.
Flashes amber when some
collisions are taking place on the Ethernet LAN.
Off indicates that no collisions are taking place on the
Ethernet LAN.
Ports 1-4
Green
Ethernet LAN Port Status.
On indicates that the unit
detects the Ethernet link integrity signal from an attached
computer and operation is normal.
Flashes when the LAN Modem receives data on the
associated port.
Off indicates that the unit does not detect the Ethernet link
integrity signal. The Ethernet cable may not be properly
connected or the cable may be the wrong polarity.
Table 4
Front Panel LED Indicator Definitions (continued)
LED
Color
Description
10-30V DC
2A MAX
RESET
1
3
2
4
LAN
LINE 1
PHONE 1 LINE 2
PHONE 2
Summary of Contents for 3C888 - OfficeConnect Dual 56K LAN Modem Router
Page 10: ...GLOSSARY 3COM CORPORATION LIMITED LIFETIME WARRANTY REGULATORY AND APROVAL INFORMATION ...
Page 30: ...30 CHAPTER 2 DUAL 56K LAN MODEM FUNCTIONALITY DESCRIPTION ...
Page 46: ...46 CHAPTER 4 INSTALLING THE DUAL 56K LAN MODEM ...
Page 58: ...58 CHAPTER 5 CONFIGURING THE DUAL 56K LAN MODEM FOR INTERNET ACCESS ...
Page 124: ...124 CHAPTER 9 PLACING RECEIVING AND DISCONNECTING CALLS ...
Page 136: ...136 CHAPTER 10 TROUBLESHOOTING AND MAINTENANCE ...
Page 146: ...146 APPENDIX A NETWORKING PRIMER ...
Page 154: ...154 APPENDIX D FACTORY DEFAULTS ...
Page 156: ...156 APPENDIX E SPECIFICATIONS ...
Page 166: ......