Campbell CR3000 Micrologger, Operator'S Manual

Page: 65 / 644

Section 5. Overview
65
5.1.1.4.1 CS I/O Port
Read More See Serial Port Pinouts
(p. 595).
•
One nine-pin port, labeled CS I/O, for communicating with a PC or
modem through Campbell Scientific communication interfaces, modems,
or peripherals. CS I/O comms interfaces are listed in the appendix
Serial I/O Modules — List
(p. 605).
Note Keep CS I/O cables short (maximum of a few feet).
5.1.1.4.2 RS-232 Ports
Note RS-232 communications normally operate well up to a transmission
cable capacitance of 2500 picofarads, or approximately 50 feet of
commonly available serial cable.
•
One nine-pin DCE port, labeled RS-232, normally used to communicate
with a PC running datalogger support software
(p. 90),
or to connect a
third-party modem. With a null-modem adapter attached, it serves as a
DTE device.
Read More See Serial Port Pinouts
(p. 595).
•
Two-terminal (TX and RX) RS-232 ports can be configured:
o
Up to Four TTL ports, configured from C terminals.
Note The nine-pin RS-232 port is isolated. RS-232 ports configured
from C terminals are not isolated
(p. 543).
5.1.1.4.3 Peripheral Port
Provided for connection of some Campbell Scientific CF memory card modules
and IP network link hardware. See the appendices TCP/IP Links — List
(p. 612)
and Data Storage Devices — List
(p. 613).
See Memory Card (CRD: Drive) —
Overview
(p. 81)
for precautions when using memory cards.
Read More See TCP/IP — Details
(p. 468).
•
One multi-pin port, labeled Peripheral Port.
5.1.1.4.4 SDI-12 Ports
Read More See the section Serial I/O: SDI-12 Sensor Support — Details
(p. 255).