Specifications

47
SK1-21/31
5Conditions of input / output signal
Rate value
Item Condition
Min. Typ. Max.
Unit
High input voltage RxDCTS +2.8 +15 V
Low input voltage RxDCTS -15 -2.8 V
High output voltage TxDRTS
(RL=3K)
+5 +15 V
Low output voltage TxDRTS
(RL=3K)
-15 -5 V
5- 3Power supply
(1) Pin layout
Connector Hirose DF1BZ-4P-2.5DS or equivalent
Pin Signal Direction Function
1
2
DC+
Power supply (+)
3
4
DC-
Power supply (-)
Depending on printing data, large peak current runs in the power cable.
Consider the voltage drop caused by cable impedance and allow enough margin
when choosing the power cable.
1
4