CBM-230/231User ’sManual
21 CITIZEN
7.2 Connector'sPin Configuration
No. Signal Name Input/Output Function
1FG FrameGrand
7 GND SignalGND
3 RD Input Receiving data
20 DTR Output Printer BUSY signal
2 TD Output Transmissiondata
6 DSR Input Data set r eady
[Cautions] 1. RS-232Csignals ar e based on the EIA RS-232C.
2. When no datais beingt ransferred, the receive data should bea lways maintaine d in the mark sta te.
Applicable connectors (D-Sub connectors)
Printerside :17LE-13250 (Equivalent to DDK)
Cableside : 17JE-23250 (Equivalent to DDK)