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TIA/EIA-592
ITU-T V.17
ITU-T V.29
ITU-T V.27ter
ITU-T V.21
Additional Specifications
Supported serial port rates
Adaptive Speed Leveling (ASL)
Serial port connector
Serial interfaces
Communications channel
Data format
Flow Control Buffers
Command Buffer
Service Class 2.0 Asynchronous Facsimile
DCE Control Standard
14.4/12 Kbps
9600/7200 bps
4800/2400 bps
300 bps
115200, 57600, 38400, 19200,
9600, 4800, 2400, 1200, 300 bps
21600, 19200, 16800, 14400,
12000, 9600, 7200, 4800 bps
DB-25
EIA RS-232, supports Macintosh
serial ports
Full- or half-duplex on 2-wire phone
lines; demand-driven high-speed
turnaround in HST mode;
symmetrical speeds in V.32 bis
Binary, serial; defaults to 8-bit word
length, no parity, and 1 stop bit.
Word
Length
7
Even, Odd,
Mark, Space
7
8
Variable sizes
56 characters, excluding the AT
prefix, Carriage Return and spaces
Technical Specifications
Parity
Stop
(1 Bit)
Bits
1
None
2
None
1
B-3
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