Terminal Resistor
MS-5000 Multidrop Concentrator User’s Manual
A-9
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Appendix E — Terminal Resistor
To guarantee signal integrity, a 68 ohm resistor is necessary at the last
device in a network.
With MS-3000 Decoders:
Terminal resistors are built into the MS-3000
decoders and are activated by setting an internal DIP switch (no. 1 DIP
switch S2) to ON as shown in figure A-5.
Figure A-5 DIP Switch (in last MS-2000/MS-3000)
With Other Devices:
Terminal resistors can be installed externally by wir-
ing the resistor into the last T-junction box or by wiring within the connector
of the last scanner (or decoder) in line. Terminal resistors are wired
between the receive lines of the last scanner.
Caution:
Setting the DIP switch termination resistor on the MS-3000 decoder
and then moving the decoder to a different location will cause the trunk cable
to end at the new location.
DS-3
DS-2
C5
C1
C3
C4
R1
RN1
S1
S2
ON
1
2
3
4
U1
R4
R3
R2
C2
Power Switch
Front of MS-3000
# 1 DIP switch
set to ON
position
C6
Summary of Contents for MS-5000
Page 1: ...MS 5000 Multidrop Concentrator User s Manual P N 83 005000 REV J...
Page 8: ...viii MS 5000 Multidrop Concentrator User s Manual...
Page 52: ...Chapter 3 Menu Configuration 3 18 MS 5000 Multidrop Concentrator User s Manual 3 Serial Config...
Page 66: ...Chapter 4 Serial Commands 4 14 MS 5000 Multidrop Concentrator User s Manual 4 Operations...
Page 90: ...A 14 MS 5000 Multidrop Concentrator User s Manual Appendices...
