— 19 —
CAUTION!
● Only drawer for 8.5V dedicated to Citizen CT-S281 BD can operate. Do not connect the
drawer for 24V available on the market.
3.4 Connecting the Cash Drawer
Cash drawer cable
connector
(1) Connector Pin Configuration
(2) Electrical characteristics
1) Driving voltage: 8.5 VDC
2) Driving current: Approx. 1.42A (25°C) (Must be within 400 ms)
3) DRSW signal: Signal levels: “L” = 0 to 0.8 V, “H” = 2 to 3.3 V
(3) DRSW signal
The signal status can be checked by
DLE + EOT, GS + a, GS + r commands.
(4) Drive Circuit
No. Signal Function
1FG Frame Ground
2 DRAWER 1 Drawer 1 drive signal
3 DRSW Drawer switch input
4 VDR Drawer drive power supply
5NC
6 GND Common ground on circuits
61
Connector used:
TM5RJ3-66 (Hirose)
or equivalent
Applicable connector:
TM3P-66P (Hirose) or
equivalent
CAUTION!
● Drawer 1, printing and auto-cutter operation cannot be driven at the same time.
● A solenoid used for the cash drawer should be of 6 Ω or more. The output current
should be kept at 1.5A or less; otherwise, breakdown or burning could occur.
1. Confirm that the power switch is OFF.
2. Confirm the top and bottom of the cash
drawer cable connector and insert it into
the cash drawer kick-out connector at the
back of the printer.
6
5
4
3
2
1
VDR
3.3V
Cash drawer
kick-out connector
Shielded
Drawer Open/
Closed Switch
Drawer side Printer side
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