User guide

SC932C 9-Pin to RS232-DCE Interface
C-2
EMC Specification
• Emissions BSEN 55022-1: 1995
• Immunity BSEN 50082-1: 1992
Connection Details
Table C-1 25-Pin Male Connector Pin-out
Pin No. I/O Name Description
1 GND Chassis Ground
2 out TXD SC932C transmits data on this line
3 in RXD SC932C receives data on this line
4 out RTS Held active by SC932C
7 GND Signal Ground
11 in PWR If held >3.5V will force SC932C into high power
mode
20 out DTR Held high if ME is high (see Appendix B)
Table C-2 9-Pin Male Connector Pin-out
Pin No. I/O Name Description
1 in +5V Regulated 5V supply
2 GND Ground
3 out RING Ring signal to datalogger
4 out RXD SC932C transmits on this line
5 in ME Modem Enable
6 in SDE Synchronous Device Enable/Print Enable
9 in TXD SC932C receives on this line