Care and Feeding of Telex Radio Dispatch Systems
C-6200 Setup
Phase 4 Design, Inc.
Dave Grant / dgrant@hostnw.net
425.402.7308
11/5/2010 Page 9 of 18
RX Side Settings
The RX side is jumper selectable for 600 or 10k ohm impedance. In 4 Wire mode, If only one
console is on the line (no parallel consoles) then place J10 (Line 1) or J8 (Line 2) in the A position
for a 600 Ohm line impedance. If more than one console is on one line, then place J10 (Line 1) or J8
(Line 2) on ONE console in the A position and all other consoles in the B position. Each console
added to the system will result in line loss. The following chart gives an indication as to how much
loss can be expected. The first console in the system is set for an impedance of 600 ohms out
(approximately). Each console added to the system thereafter is set for an impedance of 10k ohms.
As the chart indicates on the following page, the more consoles bridged on the line, the lower the
line impedance and the greater the loss in audio level.
Level adjustment can be made to the receive audio by entering the tech mode on a per line basis.
TX Side Settings
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