User guide

Table Of Contents

Appendix B. Cables, Pinouts, LED

Function, and Jumper

B.1 CS I/O

The CS I/O cable is a 9-pin, straight-through cable with all 9 pins connected.

The supplied SC12 cable (part number 16675) is recommended.

TABLE B-1. CS I/O Pinout

Datalogger (DB9 Female)

Function

Peripheral (DB9 Male)

Function

1 5 VDC N/C

2 SIGNAL GND SIGNAL GND

3 RING RING

4 RXD TXD

5 ME ME

6 SDE SDE

7 CLK/HS CLK/HS

8 12 VDC N/C

9 TXD RXD

B.2 RS-232

A DB9 female to DB9 male cable (such as Campbell Scientific part number

10873) is used to connect the NL200/201’s RS-232 port to the datalogger’s

RS-232 port. The supplied SC12 cable can also be used. A DB9 female null

modem cable (such as Campbell Scientific part number 13657) is used to

connect the NL200/201’s RS-232 port to a PC’s RS-232 port. The RS-232

cable should be kept short when using high baud rates.

TABLE B-2. RS-232 Pinout

Datalogger (DCE, DB9 Female)

Function

Peripheral (DTE, DB9 Male)

Function

DCD

TXD

RXD

TXD

DTR

SIGNAL GND

DSR

CTS

RTS

CTS

RING

B-1