Programming
025-9368H
57
TYPICAL CONNECTION TO A COMPUTER OR VIDEO TERMINAL
Table 4. Zetron Configuration
M748
DB-9 PIN
FUNCTION
CONNECTION
TERMINAL
PC DB-25
TERMINAL
AT DB-9
3
Tx data
To terminal “Rx data”
3
2
4
Rx data
From terminal “Tx data”
2
3
5
Ground
Ground
7
5
n/a
No connect
RTS, jumper to CTS
4
7
n/a
No connect
CTS, jumper to RTS
5
8
n/a
No connect
DSR, jumper to DTR
6
6
n/a
No connect
DTR, jumper to DSR
20
4
The following pre-wired cables for popular computers and terminals are available from Zetron
supporting the Zetron configuration.
Part #
Description
709-7027
RS-232 interface cable, DB-25P (terminal compatible)
709-7030
RS-232 interface cable, DB-25S (PC compatible)
709-7144
RS-232 interface cable, DB-9S (AT compatible)
Table 5. AT Configuration
M748
DB-9 PIN
FUNCTION
CONNECTION
TERMINAL
PC DB-25
TERMINAL
AT DB-9
2
Tx data
To terminal “Rx data”
3
2
3
Rx data
From terminal “Tx data”
2
3
5
Ground
Ground
7
5
7
jumper to 8
RTS, jumper to CTS
4
7
8
jumper to 7
CTS, jumper to RTS
5
8
6
jumper to 4
DSR, jumper to DTR
6
6
4
jumper to 6
DTR, jumper to DSR
20
4
Summary of Contents for 748
Page 2: ......
Page 68: ...Operation 54 025 9368H Notes...
Page 110: ...Programming 96 025 9368H Notes...
Page 216: ...Feature Set Reference 202 025 9368H Notes...
Page 219: ...Repair 025 9368H 205 MODEL 7XX AUDIO BLOCK DIAGRAM 006 0077A...
Page 225: ...Repair 025 9368H 211 MODEL 7XX CONTROL BOARD 008 9793D Schematic Sheet 1 of 5...
Page 226: ...Repair 212 025 9368H MODEL 7XX CONTROL BOARD SCHEMATIC 008 9793D Sheet 2 of 5...
Page 227: ...Repair 025 9368H 213 MODEL 7XX CONTROL BOARD SCHEMATIC 008 9793D Sheet 3 of 5...
Page 228: ...Repair 214 025 9368H MODEL 7XX CONTROL BOARD SCHEMATIC 008 9793D Sheet 4 of 5...
Page 229: ...Repair 025 9368H 215 MODEL 7XX CONTROL BOARD SCHEMATIC 008 9793D Sheet 5 of 5...
Page 230: ...Repair 216 025 9368H MODEL 7XX CONTROL BOARD 702 9793D Silkscreen...
Page 233: ...Repair 025 9368H 219 MODEL 7XX SINGLE E E CARD 008 9794A Schematic...
Page 234: ...Repair 220 025 9368H MODEL 7XX SINGLE E E CARD 702 9794A Silkscreen...
Page 236: ...Repair 222 025 9368H MODEL 4XB VOICE CARD 008 9236F Schematic...
Page 237: ...Repair 025 9368H 223 MODEL 4XB VOICE CARD 702 9236F Silkscreen...
Page 239: ...Repair 025 9368H 225 MODEL 4XB DIAL CLICK BOARD 008 9242E Schematic...
Page 240: ...Repair 226 025 9368H MODEL 4XB DIAL CLICK BOARD 702 9242E Silkscreen...
Page 254: ...Quick Reference 240 025 9368H Notes...
Page 258: ...Specifications 244 025 9368H...
Page 259: ...Specifications 025 9368H 245...