Rain Bird MRLK 900 User Manual
MAXI® Remote Location Kit
MRLK 900
Installation Instructions
Introduction
The MAXI® Remote Location Kit 900 utilizes 900 MHz radios to position a MIM 2-Wire,
MIM LINK or MDI at a remote location from the central computer. The MRLK 900
includes two surge protectors to provide in-line protection against lightning at the locations
of both radios. These installation instructions assume that the user is already familiar with
the installation instructions and physical layout of the MIM 2-Wire, MIM LINK, or MDI
products. If further information is needed regarding these types of products, please refer to
their appropriate manuals.
Materials Included
The MRLK 900 contains the following materials:
Find
Number
1
902-928 MHz, 115 Kbaud Spread Spectrum wireless data
transceiver in a ruggedized enclosure with a N type female RF
connector (12 Volts)
Description Quantity
2
2
3A
3B
4
5
6
Transformer Input: 120VAC 12W
Output: 12VDC 500mA
RS232 Interface Cable
DB9 Male to DB9 Female
RS232 Interface Cable – Null Modem
DB9 Male to DB9 Male
20 Foot Coaxial Cable with male N type connectors (0.24”
diameter, 2dB loss)
900-960 MHz 6dB 3 element Yagi directional antenna 2
PolyPhaser - Throughput Energy ≤ 220µJ (typical)
Frequency Range: 125MHz to 1000MHz
Max. Power: VHF 375W, UHF
800MHz to 1GHz 50W
Low
125W
2
2
1
4
2
Setup
The following diagram in Figure 1 depicts a typical before and after configuration for the
installation of the MRLK 900.
MRLK 900 Installation Instructions Page 1
4 1 6 6 1 4 5 2 2 3A
3B
Existing cable
To MIM Antenna
Prior to Installation
To MIM Antenna
MASTER SLAVE
4
and connector
AC POWER AC POWER
After MRLK 900 Installation
FIGURE 1
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