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Westermo TDW-33 Industrial PSTN modem

Westermo TDW-33 Industrial PSTN modem
Westermo TDW-33 Industrial PSTN modem
Westermo TDW-33 Industrial PSTN modem
Westermo TDW-33 Industrial PSTN modem
Westermo TDW-33 Industrial PSTN modem

  • Industrial Telephone Modem
  • 1 x RS-232 Port (300 bit/s – 115.2 kbit/s, 9-pin D-sub female)
  • 1 x PSTN (300 bit/s – 33.6 kbit/s, RJ-11C) 
  • DIN-rail mount installation design
  • IP21-rated PC / ABS body material
  • 12 to 48 VDC / 12 to 34 VAC input power (Wide Range 10 to 60 VDC / 10 to 42 VAC)
  • -25 to +70ºC operating temperature range

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Datasheet User Manual
  • Operating Temperature (-25 to 70°C)
  • Relative Humidity (5% to 95% RH)
  • IP protection (IP21)
  • Shock (IEC 60068-2-27)
  • Vibration (IEC 60068-2-6)
  • Railway Transportation
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Tags: Modems , PSTN/Leased Line Modems , Leased Line/PSTN Modems , PSTN Modems , Industrial Data Communications , Industrial Modems , Industrial Telephone Modems , Telephone Modems , Railway Transportation Products , Westermo TDW-33

The TDW-33 is a simple industrial modem designed to allow cost-effective and simple remote access to legacy serial industrial equipment. The AT command-driven modem is capable of synchronizing with a wide range of traditional modem negotiation standards, providing data rates up to 56.7 kbit/s. Designed with remote unmanned industrial locations in mind, the modem can operate in extremes of temperature and electromagnetic fields. The complete galvanic separation of all interfaces ensures that earth loops and transients do not interfere with communication. To minimize visits to the site, a watchdog monitors the modem, ensuring constant readiness. Remote reconfiguration allows changes to settings to be handled without a site visit.

Firewalls are not an issue as data does not use the internet. With call-back security, it is impossible for either accidental or deliberate access to any equipment attached to the modem. The modem is simple to configure using the Westermo TD-tool software; standard commands can easily be entered, and saved configurations downloaded. RS-232 connections can be made using screw connections as well as the standard D-sub. The modem is designed to be connected to devices with no ability to control dialling, so special functions like data dialling and DTR dialling are provided to enable these devices to automatically establish connections.


You can also find the other types of modems in the Modems.


Easy World Automation offers the easiest way to buy the Westermo TDW-33 Industrial PSTN modem in the Middle East (UAE (Dubai), KSA (Al Khobar, Riyadh), and Oman) at the lowest price through online inquiring. Our sales experts will contact you to fulfill all your industrial automation needs.

3g modem : Interface
SIM card slotNo
Ethernet PortsNo
USBNo
Digital Input and OutputNo
Serial portYes : 1 x RS-232 Port (300 bit/s – 115.2 kbit/s, 9-pin D-sub female)
Alert OutputNo
Band Options-
Cellular Standards-
Cellular Antenna ConnectorsNo
WLAN StandardsNo
WLAN Antenna ConnectorNo
GPS Antenna ConnectorNo
3g modem : Radio specifications
Radio Connection type-
Maximum data transfer speed of 2G-
Maximum data transfer speed of 3G-
Maximum data transfer speed of 4G-
WiFi Radio Frequency-
3g modem : Software Specifications
Routing Redundancy-
VPN-
Firewall-
Time Management-
Management-
3g modem : General
LED IndicatorsTD, RD, RTS, DCD, DTR, REL, LINE, PWR
MTBF-
Operating modeIndustrial Telephone Modem
3g modem : Standards and protocols
ProtocolsBell103, Bell212, V.21, V.22, V.22Bis, V.23C, V.32, V.32Bis, V.34, V.90, Transparent
3g modem : Features and capabilities
Send and receive SMSNo
3g modem : Security
Security and EncryptionNo
AuthenticationNo
3g modem : Power Requirements
Power ConnectorDetachable screw terminal
Power Consumption (Output Adapter)-
Input Voltage12 to 48 VDC / 12 to 34 VAC (Wide Range 10 to 60 VDC / 10 to 42 VAC)
POE SupportNo
Input Current150 mA @ 12 VDC, 70 mA @ 24 VDC, 40 mA @ 48 VDC, 150 mA @ 12 VAC, 70 mA @ 24 VAC
Reverse Polarity ProtectionSupported
3g modem : Buttons
Power buttonNo
ResetYes
3g modem : Physical Characteristics
InstallationDIN-rail mounting
Dimensions34 x 123 x 121 mm (1.33 x 4.84 x 4.76 in)
HousingPC / ABS
Weight0.21 kg
Operating Temperature–25 to +70°C (–13 to +158°F)
Storage Humidity5 to 95% relative humidity
Storage Temperature–40 to +70°C (–40 to +158°F)
Type of UseIndustrial environment
Standards and CertificationsIngress protection: IP21; MIL-HDBK217F; EMC: EN 55022, Emission IT equipment, EN 55024, Immunity IT equipment, EN 61000-6-1, Immunity residential environments, EN 61000-6-2, Immunity industrial environments, EN 61000-6-4, Emission industrial environments, EN 50121-4, Railway signalling and telecommunications apparatus, IEC 62236-4, Railway signalling and telecommunications apparatus; Safety: UL/IEC/EN 60950-1, IT equipment; PSTN: CS 03 Part 1, issue 9, ETSI TS103 021-1, ETSI TS103 021-2, ETSI TS103 021-3, AS/ACIF S002, AS/ACIF S006; Shock: IEC 60068-2-27; Vibration: IEC 60068-2-6

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