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TYPICAL CONNECTION TO A COMPUTER OR VIDEO TERMINAL
M748
FUNCTION
DB-9 PIN
3
Tx data
4
Rx data
5
Ground
n/a
No connect
n/a
No connect
n/a
No connect
n/a
No connect
The following pre-wired cables for popular computers and terminals are available from Zetron
supporting the Zetron configuration.
Part #
709-7027
709-7030
709-7144
M748
FUNCTION
DB-9 PIN
2
Tx data
3
Rx data
5
Ground
7
jumper to 8
8
jumper to 7
6
jumper to 4
4
jumper to 6
025-9368H
Table 4. Zetron Configuration
CONNECTION
To terminal "Rx data"
From terminal "Tx data"
Ground
RTS, jumper to CTS
CTS, jumper to RTS
DSR, jumper to DTR
DTR, jumper to DSR
Description
RS-232 interface cable, DB-25P (terminal compatible)
RS-232 interface cable, DB-25S (PC compatible)
RS-232 interface cable, DB-9S (AT compatible)
Table 5. AT Configuration
CONNECTION
To terminal "Rx data"
From terminal "Tx data"
Ground
RTS, jumper to CTS
CTS, jumper to RTS
DSR, jumper to DTR
DTR, jumper to DSR
Programming
TERMINAL
TERMINAL
PC DB-25
AT DB-9
3
2
7
4
5
6
20
TERMINAL
TERMINAL
PC DB-25
AT DB-9
3
2
7
4
5
6
20
2
3
5
7
8
6
4
2
3
5
7
8
6
4
57
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