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SL-31091 Installation Instructions page 1 12/03 (Rev. 0)
LIEBERT MULTILINK™ CABLE ADAPTER KIT
(IRACKMLADPT)
Installation Instructions
Description
The Liebert MultiLink Cable Adapter Kit has two adapters designed for cable connections from a MultiLink
computer to a UPS or to a multiplexer such as the IntelliRack. These DB9-to-RJ45 adapters are used at
either end of an RJ45 straight-through cable, as described in these instructions.
This kit has the following components:
• DB9M - RJ45F adapter, part number ML-ADP-03
• DB9F - RJ45F adapter, part number ML-ADP-04
These instructions describe how to connect the adapters and an RJ45 cable. Step 3 also provides information
to make a longer RJ45 cable, if needed.
Connecting Adapters
1. Connect the adapter labeled ML-ADP-04
to the serial communication port on the
MultiLink computer.
2. Connect the other adapter (ML-ADP-03)
as follows, depending on your system
configuration:
To a multiplexer such as the Intel-
liRack:
Connect the ML-ADP-03 adapter to a
connector on the MultiPort 4 molded
cable assembly.
To a UPS with a DB9 port:
Connect the ML-ADP-03 adapter to the
DB9 communication interface on the
UPS.
3. Connect an RJ45 straight-through cable
between the two adapters. The cable must
be an 8-conductor wire. The pinout for
this cable is:
NOTE
Liebert recommends—although it is not required—powering down your system and UPS before
continuing with the following cable installation.
RJ45 male RJ45 male
1 ——————— 1
2 ——————— 2
3 ——————— 3
4 ——————— 4
5 ——————— 5
6 ——————— 6
7 ——————— 7
8 ——————— 8
STEP 1
ML-ADP-04
to serial port
on MultiLink
computer
STEP 2
ML-ADP-03 to MultiPort 4
(or to UPS)
STEP 3
RJ45 cable
between adapters
1234
MultiPort4
MultiPort 4 molded
cable assembly
IntelliRack