TallyGenicom 2440 User Guide
Interfaces
Serial interface (option)
B-13
Data rates
The interface supports the following data rates.
•
4800 bps
•
9600 bps
•
19200 bps
•
38400 bps
Supported protocols
This interface will also support the following:
This interface will also support the following:
•
7 or 8 Data Bits
•
Even, Odd, None Parity
•
1 or 2 Stop Bit(s)
•
Ready/Busy or XON/XOFF handshaking
Data Transfer
A data frame consists of a start bit, seven or eight data bits, 0 or 1 parity bit(s) and 1 or
2 stop bit(s). With these combinations, 9, 10, 11 and 12 bit frames are available:
A data frame consists of a start bit, seven or eight data bits, 0 or 1 parity bit(s) and 1 or
2 stop bit(s). With these combinations, 9, 10, 11 and 12 bit frames are available:
Parity
There are three possible parity settings: Even, Odd, None.
There are three possible parity settings: Even, Odd, None.
`
When Even parity is specified, the interface expects to receive data frames with even
parity and will transmit data with even parity.
parity and will transmit data with even parity.
`
When Odd parity is specified, the interface expects to receive data frames with odd
parity and will transmit data with odd parity.
parity and will transmit data with odd parity.
`
Parity will be checked whenever Even of Odd parity is selected. If a parity error is de-
tected, PARITY ERROR message will be displayed on the LCD. Printer will continue
to receive data.
tected, PARITY ERROR message will be displayed on the LCD. Printer will continue
to receive data.
`
When None parity is specified, the interface does not accept data frames to include a
parity bit, and the interface transmits data without parity bits.
parity bit, and the interface transmits data without parity bits.
STA RT
7 or 8 Data Bits
0 or 1
PARITY bit
1 or 2
STOP bit(s)