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Cabling Procedure - Back Panel
Cabling your MultiAccess involves making the proper power, phone, and ethernet connections as
described and illustrated below.
The MultiAccess MA420 and MA820 back panels have a fan, a power plug, POWER Switch (| / O), four
or eight RJ-11 phone jacks, an Ethernet jack, and a Command jack. The MA220 back panel has two
LINE RJ-11 phone jacks, an Ethernet, LAN 1, and a CONSOLE jack.
1. Plug one end of your RJ45 Ethernet cable into the Ethernet (MA420 & MA820) or LAN 1 (MA220)
jack on the back of the MultiAccess and the other end to the hub on your local network.
Caution:
Before connecting to the Ethernet network, make sure that the network to which you are
connecting the MultiAccess is not a 192.168.2.x subnet. Because the MultiAccess's factory default IP
address is 192.168.2.1, connecting it to a network that has a different device at the same IP address
would cause data interference.
If it is a 192.168.2.x subnet, connect from the Administrative PC to the MultiAccess using an RJ45
crossover cable until the MultiAccess's IP address has been configured. Afterwards, connect the
MultiAccess into the network with an ordinary RJ45 cable.
2. Using a standard telephone cable, connect one end of the cable to the first RJ11 jack (1 or Line 1) on
the back of the MultiAccess and the other end to one of your phone jacks.
3. Continue to connect standard telephone cables to the remaining RJ11 jacks on the back of the
MultiAccess.
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The Command or CONSOLE jack is only to be used with direction from Multi-Tech's Technical
Support Personnel.
5. For the MA420 and MA820, ensure that the MultiAccess is securely and permanently connected to an
earth ground (GND) with a ground wire of 18 gauge (18 AWG) or thicker. The ground wire needs to
be installed between the grounding screw on the MultiAccess and a permanent earth ground.
Whether the MultiAccess is used in a rack or desktop, you must verify that the earth ground
connection is permanent and reliable. In order for the earth ground to be considered permanent, the
grounding wire must connect to the earth ground of the building's electrical wiring system and the
ground connection must use a screw terminal or other reliable means of fastening. The ground
connection must not be as easily disconnected as, for example, a power cord.
6. On the MA220 unit, secure the power lead from the power source and then connect the power source
to a live power outlet.
On the MA420 and MA820 units, with the Power switch in the off (Ο) position and using the supplied
power cord, connect the MultiAccess power plug to a live power outlet.
7. Place the MultiAccess Power switch to the on (|) position for the MA420 and MA820 to turn on the
MultiAccess.
8. Proceed to Configuring Your MultiAccess.
Multi-Tech Systems, Inc. MultiAccess User Guide
Back Panel - MA420
Back Panel – MA220
Chapter 2 – Installation
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