User`s guide

■ Flow control indicates the protocol used.
■ Parity indicates either ignored, odd, even, or none is being
used.
The eight bits of the option byte are assigned as
Stop Bit Style Flow Parity
0 - - - 1 Stop Bit 0 - - 7 Bit Data 0 - XON/XOFF/DTR 0 - - - - Ignored
1 - - - 2 Stop Bit 1 - - 7 Bit Data 1 - DTR 1 - - - - Odd
2 - - 8 Bit Data 2 - ETX/ACK 2 - - - - Even
3 - - Undefined 3 - UNDEFINED 3 - - - - None
4 - UNDEFINED
5 - XON/XOFF BI DIR
6 - UNDEFINED
7 - UNDEFINED
Options Byte
000000 0
|| | | Parity
|| | Flow
|| Style
| Stop Bit
Table 8.2 Option Byte Assignments
Chapter 8
Printer/Host Communication 8-3