SRP-270
6-2 RS-232C (Serial Interface) Cable Specifications
1) Printer Rear Image
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Serial Interface | Cash Drawer | |||||||
Connector |
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※Turning the dip switch on the Serial interface to the ON position connects DTR and RTS signals together.
2) Cable Specifications
Printer Side | Host Side | Printer Side | Host Side |
(25P) | (25P) | (25P) | (9P) |
(Shield.G) | (Shield.G) | (Shield.G) | (Shield.G) |
(S.GND) | (S.GND) | (S.GND) | (S.GND) |
Pin No. | Signal | Direction | Function |
1 | FG | - | Frame Ground |
2 | TxD | Output | Transmit Data |
3 | RxD | Input | Receive Data |
4 | RTS | Output | Ready To Send |
5 | CTS | Input | Clear To Send |
6 | DSR | Input | Data Set Ready |
7 | SG | - | Signal Ground |
20 | DTR | Output | Data Terminal Ready |
Rev. 1.05 | - 27 - |
