RS-485 Reader Connection (Entry/Exit)
The connection of two RS-485 readers to a reader expander providing an entry/exit configuration.
1 2
3 4
5 6
7 8
9 0
X
L1L2
BZ
C
D0/D1/
NANB
V+
V-
A 330 ohm EOL (End of Line) resistor may be required, inserted between the yellow and violet wires after the join.
When connecting two TSL readers for RS-485 entry/exit configuration, the reader address determines which is
the entry reader and which is the exit reader, so it does not matter which reader is the 'secondary' connection.
Primary Reader Connections
Color Wire Connection
Red V+ 12VDC positive
Black V- 12VDC negative
Yellow D0/NA RS-485 A
Violet D1/NB RS-485 B
Shield Join the shield (drain) wires together. Frame grounded at one point only
TSL Multi-Technology Card Reader | Installation Manual 23
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