Campbell Scientific

NL121 Ethernet Interface

ClimateCommunications

The NL121 is the easiest and lowest-cost way to add an Ethernet interface connection to your CR1000 or CR3000. This small device, about the size of a deck of cards, simply plugs onto the data logger’s peripheral port.

Quantity

Overview

Through the NL121, you can access the Internet capabilities of your data logger, such as PakBus, Modbus, and DNP3 over TCP, as well as web, email, file transfer, and cloud-based application clients.
You can collect from and control your data logger over any standard IP network—within your office or across the Internet.
The easiest way to add Ethernet to a CR1000 or CR3000
Provides a native Ethernet connection, allowing the data logger to communicate directly using a variety of Internet protocols
Integrated protection for surge and ESD
Data-logger-controlled power management for low-power operation

Specification

Transmission Distance or Area	Worldwide
Data Logger Interface	40-pin peripheral port on CR1000 or CR3000
Ethernet	10/100 Mbps, auto-detect 10BaseT/100Base-TX, full/half duplex, IEEE 802.3, auto MDI/MDI-X
Power Source	12 V from data logger 40-pin peripheral port
Power Consumption	58 mA (typical) 3 mA (Ethernet off)
Operating Temperature Range	-40° to +70°C
Service Requirements	Ethernet access
Dimensions	10.2 x 6.4 x 2.8 cm (4.0 x 2.5 x 1.1 in.)
Weight	66.62 g (2.35 oz)