Salter Brecknell 6712 - Manual (Page 18)

Model 6712 Point-of-Sale Interface Scale User’s Manual 18
Communication
DE-9 Female Scale DE-9 Male Host
Pin Name Direction Pin Name Direction
1. JMP1 - 1. DCD IN
2. TXD OUT 2. RXD IN
3. RXD IN 3. TXD OUT
4. JMP 1 - 4. DTR OUT
5. GND REF 5. GND -
6. JMP 1 - 6. DSR IN
7. JMP 2 - 7. RTS OUT
8. JMP 2 - 8. CTS IN
9. NC - 9. RI IN
NOTE: JMP1 PINS 1, 4 and 6, and JMP 2 Pins 7
and 8 are internally jumpered inside the scale.
Error Codes
Any system errors detected by the scale will be
displayed as the letter E followed by a one-digit
error code. Press the TEST key to continue
operation. If a calibration error occurs, the only
way to clear the error is by recalibrating the unit.
The error codes are defined as follows:
Err-1 Calibration Error
Err-2 Configuration Error
Err-3 Initial Zero Error
Err-4 Zero Error
See the troubleshooting section at the end of this
manual.
The NCI 6712 comes factory configured as a
serial RS-232 interface device. There is one 9-
pin DE type female connector accessible at the
rear of the unit. The functional pinout of this
cable provided with your scale is that of a stan-
dard PC, which is as follows: