Serial Data Format; Cable Connection Diagrams; Figure 5.8 Rs-232C Data Format - Fujitsu PrintPartner 12V Product Description

5.3.3 Serial data format

The format of 10-bit or 11-bit serial data, given in Figure 5.8, consists of a start bit, data bits, a parity bit, and
stop bits. A bit is in the mark state when not being transmitted. Data bits start with the least significant bit
(LSB). For example, the character "K" (hexadecimal 4B) is transmitted as shown in Figure 5.8 (7 data bits,
even parity).

5.3.4 Cable connection diagrams

The connector at the printer side is a 9-pin type. The connector at the computer side is a 9-pin type or a 25-pin
type
Figure 5.9a Example of RS-232C cable wiring (25-pin connector at computer side)

Figure 5.8 RS-232C data format

Computer (DTE)
Printer (DTE)
# Open wire
5 - 9