Dascom T2150 RS232C/TTY Interface Module Operators Manual - Manual (Page 5)

Technical Data of the Interface
Communication protocols Word feedback:
X-ON/X-OFF
Robust X-ON/X-OFF
ENQ/STX
ETX/ACK
ACK/NAK
Signal feedback:
READY/BUSY
Data format Stop bit(s): 1 or 2
Data bits:
7 or 8
Parity: none, odd,
even, mark, space
Signal level
1)
Transmission and receive loop have a
rated current level of +20 mA.
Cable length TTY/20 mA: 1000 m (max.)
RS232C:
15 m (max.)
Data buffer capacity From 0 to 64 kB in increments of 16 kB
Voltage active
1)
24 V
Transmission signal assignment
1)
I
≥
11 mA “1”, Mark
I
≤
2,5 mA “0”, Space
Receive signal assignment
1)
I
≥
9 mA “1”, Mark
I
≤
3 mA “0”, Space
Transmission rate 600 Baud–19200 Baud
Interface connector ITT-Cannon-connector
model DB - 25 S
1) TTY/20 mA only
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Technical Data of the Interface
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