
DS4-2499D
- 14 -
11. Signal Interface
*Note 1: For signal wires, use UTP (Unshielded twist pair) or STP (Shielded twist pair) cable of
category 3 or higher. Extension of cable shall be within 100 m.
*Note 2: For power wire, use electric wire of 0.3 mm
2
or more.
Extension of power wire shall be within 50 m if power voltage is 24VDC.
*Note 3: Voltage between DL – COM or ALM – COM shall be 30VDC or lower in OFF, and the
residual voltage in ON shall be 2V or so.
( 2)
( 1)
GND
2 4 V
D
L
( 1)
TD+
( 2)
( 3)
( 6)
( 4)
F G
ALM
( 5)
( 3)
COM
Signal connector
TD−
RD+
RD−
Connector shared by power and aux. output
Terminal No. Brevity code
Terminal No. Brevity code