Robust industrial Ethernet switches Westermo switches are designed for use in harsh environments and allow you to build cost-effective, reliable and secure networks. Browse our switches. Reliable network solutions for rail See our extensive range of wired and wireless networking devices for on-board, trackside and train-to-track applications.
Learn more. Cyber resilient operating system WeOS, Westermo Operating System, provides an extensive suite of IP networking standards allowing resilient, secure and flexible networks to be created.
Read more. Easy and secure remote access WeConnect enables remote access any device on your network from anywhere in the world. Time-saving configuration tool WeConfig makes network configuration and maintenance more efficient, simple and reliable.
Cybersecurity for industrial networks Westermo recognise that to effectively defend your networks against potential cyber attacks, it is necessary to deliver more than just a product. Find out more. Carl de Bruin International sales. TD DC. This product is no longer being sold and might not be supported. Please see replacement part: DDW Add to Quote.
Add to Cart. Overview Specifications The TD is designed for communication on 2-wire copper cable twisted pair.
Product Life Cycle Discontinued as configured:. Westermo Product Guide. Switches, routers, extenders, modems, converters and accessories are listed in this brochure. Contact Us. These functions together with remote configuration make the modem perfect for installation at unmanned sites and prevent the need of costly service trips. The modem also has password protection, dial-back security and caller ID answering to ensure that only authorised users can communicate with the modem and any connected equipment.
The TD also has a single digital input and output relay. The input and output can be used to trigger, or be triggered by a number of different user defined events. Both the digital input and output are galvanically isolated from the rest of the modem. For ease of setup the modem is supported by the Westermo TD-tool configuration software but also has DIP switches to assist configuration.
Drivers for Windows setup are also supplied. When the input is pulsed, the modem establishes a data connection to the stored predefined number. After a time specified in the modem without data exchange, the connection is released by an inactivity timer.
When the input is pulsed, the modem will send an SMS to a predefined number. The SMS Messages can handle at least characters. When the input is triggered, the modem will establish a connection to the stored modem number and transfer a predefined text message. This is not an SMS message. When the input is triggered, the modem will establish a connection to the stored number of a remote TD and send out a command, that pulses the remote output according to a predefined sequence.
Pre-programmed AT command strings stored in the modem can be executed. These can for example be used for switching DTE communication parameters for online and offline modes by using two entries. The modem has a change over relay output SPDT-contact. The output can be programmed to follow a remote modem data input. The input is trigged when the selected level has been stable for t a ms. A new trig will not occur until the input has return to the opposite state an back again. When input is set to edge trigged pulsed the number of pulses counted selects the entry to be trigged.
The input is filtered and pulses shorter than t a is discriminated. The time between pulses must also be kept shorter than T p.
When time between pulses exceeds T p the number of pulses are accumulated and an entry selected by number of pulses counted. The parameter t a is also used when output pulsing is selected. The parameters t a and T p are programmable from 10 ms to ms. For a cable located within 3 m and connected to this port, the use of shielded cable is recommended, this is to minimise the risk of interference. This earthing point should have a low impedance connection to the conductive enclosure of the apparatus cabinet, or similar, where the unit is built-in.
This conductive enclosure should be connected to the earthing system of an installation and may be directly connected to the protective earth. Welcome to ManualMachine. We have sent a verification link to to complete your registration. Log In Sign Up. Forgot password? Enter your email address and check your inbox. Please check your email for further instructions. Enter a new password.
Safety Before installation: This modem is for restricted access area use only. This unit should only be installed by qualified personnel. Maximum 20 A branch circuit protection required. The product is intended to work with IT power system. Before mounting, using or removing this unit: Prevent access to hazardous voltage by disconnecting the unit from power supply.
Care recommendations Follow the care recommendations below to maintain full operation of unit and to fulfil the warranty obligations. This unit must not be operating with removed covers or lids. Maintenance No maintenance is required, as long as the unit is used as intended within the specified conditions.
The digits represented by are the REN without a decimal point e.
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