MP-KMI Keyboard Matrix Interface Information Sheet
PRODUCT SAFETY
Please follow these instructions as you install the equipment and keep them for future use.
Installation is only to be carried out by suitably qualified and experienced personnel, and should conform to all local
electrical codes.
Only use this equipment in a clean, dry, dust-free environment.
To prevent fire or shock hazard, do not expose this product to rain or moisture.
DESCRIPTION
The MP-KMI Keyboard Network Interface is used to connect an MP1000 series keyboard/controller to the matrix switching system.
The MP-KMI contains six jumper links that must be configured according to figure 1. Access to the jumpers is obtained by removing
the screw holding the cover in place. The MP-KMI is supplied by default with the jumpers fitted in the positions shown, and should not
normally require any changes to be made.
1
2
3
LK
1
1
2
3
LK
2
LK
3
LK
4
LK
5
LK
6
Rx
Tx
GND
Figure 1
CONNECTIONS FOR CABLE DISTANCE OF SEVEN FEET OR LESS
For installations where the keyboard-to-system cable distance is seven feet or less, connect the cables in accordance with figure 2
below.
The RJ-45 socket on the MP-KMI that is marked
Matrix
is connected to the switching system using an MP-CBL cable. The RJ-45
connector on the MP-KMI marked
Keyboard
is connected to the MP1000 keyboard using an MP-CBL cable.
Issue 1 12/02
HB-MP-KMI-1
Matrix Switching System
MP-KMI KEYBOARD
MATRIX INTERFACE
MATRIX
KEYBOARD
KEYBOARD
POWER
SUPPLY
POWER, UL LISTED
CLASS 2 ONLY
MP-CBL
MP-CBL
Figure 2
