Specifications

CHAPTER 3
LaserWriter Pro Software
70 SCC Operator Encoding
Note
In going from DataBits and Parity to data bits and parity, standard
parity is never used as it is in Level 1. ◆
Table 3-24 SCC compatibility operators options byte values
Bit position Value and function
Bit 7 Stop bits
0 1 stop bit
1 2 stop bits
Bits 6 and 5 Data bits
0 Standard
1 7 bits
2 8 bits
Bits 4–2 Flow control
0 XON/XOFF
1 DTR
2 ETX/ACK
Bits 1 and 0 Parity
0 Space
1 Odd
2 Even
3 Mark
Table 3-25 Optionsbyte-to-device parameters
Data bits and parity DataBits and Parity
Level 1 Level 2
Standard space 7 bits Space
Standard mark 8 bits None
Standard odd 7 bits Odd
Standard even 7 bits Even
7 bits space 7 bits Space
7 bits mark 7 bits Mark
7 bits odd 7 bits Odd
7 bits even 7 bits Even
8 bits space 8 bits Space
8 bits mark 8 bits Mark
8 bits odd 8 bits Odd
8 bits even 8 bits Even