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LTC 2604 | Instruction Manual | Operation
EN
|
7
5OPERATION
1. Turn on the System 4 Multiplexer or Divar
Recorder and the LTC 2604 Multiplexer
Keyboard Port Expander. The power LED on
the LTC 2604 unit should be on.
2. The Kbd Active LEDs on the LTC 2604
Multiplexer Keyboard Port Expander will
indicate active data communication to a
connected keyboard. The Multiplexer Active LED
on the front panel of an LTC 2604 Muliplexer
Keyboard Port Expander will indicate
communication between the System 4
Multiplexer and the LTC 2604.
Bosch Security Systems | October 22, 2004
MULTIPLEXER
OUTPUT
KEYBD 3
INPUT
KEYBD 4
INPUT
On
12
34
Multiplexer
KEYBD 1
INPUT
KEYBD 2
INPUT
Rear Connection
Front Panel
Figure 1: LTC 2604 Multiplexer Keyboard Port Expander