Campbell-scientific SC932C Interface Manual do Utilizador descarregar pdf (Página 12)

APPENDIX C. SPECIFICATIONS

C-2

CONNECTION DETAILS

TABLE C-1. 25-Pin Male Connector Pin-out

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

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

1 2 ... 7 8 9 10 11 12 13 14

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Campbell-scientific SC932C Interface Manual do Utilizador Página 12