3Com OFFICECONNECT 3C886 - Manual (Page 29)

Installing the 56K LAN Modem 29
Back Panel Connector
Description
The back panel provides the following components.
Figure 10 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 the unit.
■
Line: Connect the provided RJ-11 analog line from the wall outlet to this port.
■
Phone: Connect an external analog device, such as a telephone or fax
machine, to this port.
■
Four 10BASE-T Ethernet Ports: Connect the computers on your LAN, or an
external hub, to these ports.
Installing the 56K LAN
Modem This section describes how to do the following.
■
Install the analog cable
■
Connect to a 10BASE-T Ethernet LAN
■
Install analog equipment
■
Install the power cable
Before You Begin Before you begin, you will need the following in addition to the 56K LAN Modem:
■
RJ-11 (6-pin) to RJ-11 (6-pin) telephone cable which was provided in your
modem package.
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 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
RESET
10-18 VDC
0.8 A MAX
LINE PHONE LAN
Power
Connector Reset Button
Four Ethernet
10BASE-T Connectors
4 3 1 2
Telephone
Line
Analog
Device