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Industrial Telephone Modems

VT-MODEM-xWW

These industrial telephone modems are specifically designed for industrial environments. They are rugged, reliable and have proven themselves over many years in the toughest applications.

Industrial%20Telephone%20Modems

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Industrial Telephone Modems will eliminate the difficulties encountered with installing office-grade modems in industrial settings. These ruggedized modems connect to any PLC, RTU or other industrial equipment that you need to remotely access and provide the important features you have been looking for.

Product Highlights
  • Reduce your design time
  • Simplify your installation
  • Increase your reliability
  • Proven in the toughest settings from pipelines in Alberta to remote locations in Sweden
  • Compliant with telephone systems worldwide

Field-Proven Performance

  • Auto dials on simple contact closure
  • Accepts VDC power directly
  • Does not need cumbersome wall mount transformer
  • DIN-rail or flat-panel mounting
  • UL508, UL1604 and DNV rated
  • Compliant with most international systems
  • Rated for industrial environments
  • Operates outdoors without a heater (-30° C)
  • Survives extreme heat (+70° C)
  • Includes internal surge protection
  • Class I, Div. 2 (Zone 2) hazardous-location rated
  • Guaranteed long-term support
  • Designed to make your job easier!

Telephone Lines

  • Max. data rate 33.6 kbps for -1, -2, -3 and -4; 56 kbps for -5
  • Compatibility V.90, V.92 (-5 only); V.34, V.32 bis, V.32, V.22, V.22A/B, V.23, V.21, Bell 212A and 103
  • Data compression V.44; V.42 bis, MNP 5
  • Error correction V.42 MNP 2-4
  • Max. fax rate 14.4 kbps for -1, -2, -3 and -4; 33.6 kbps for -5
  • Fax capabilities V.17,V.29/V.27/V.21, FClass 1,1.0 (-1,-2,-3) V.34,V.17,V.29/V.27/V.21,FClass 1,1.0, 2, 2.0/2.1 (-4 and -5 only)
  • Ringer and jacks 0.3 and RJ11 (line and auxiliary)
RS232 Port
  • Max. RS232 Rate 57.6kbps for -2 and -3; 115.2 kbps for -1 and -4; 230 kbps for -5
  • RS232 (DCE) TD, RD, CTS, RTS, CD, DTR, DSR, RI, GND
  • Command Set standard AT and S register (see help)
  • Status LEDs CD, DTR, RD, TD, Power
PLC Discrete I/O Interface (VT-MODEM-2 Only)
  • “Trigger” Input: Starts auto-dialing when TRUE
  • Voltage range: 9 to 30 VDC (6.5 mA at 24 VDC)
  • Max OFF voltage: 5 VDC
  • “On-line” Output: is ON when connection exists
  • Output type: Sourcing — switches supply power
  • Output current:100 mA maximum
RS422 / RS485 Port (VT-MODEM-3 Only)
  • RS422 mode: Supports 4 wire full duplex
  • RS485 modes: 2 or 4 wire party-line operation
  • Signal rate: Standard rates up to 115.2 kbps
  • RS422/485: Up to 0.5 miles
General Characteristics
  • Input voltage 10-30 VDC for -1, -2, -4 and 5; 10-52 VDC for -3
  • Input current @ 24 VDC (typical)
  • 50 mA (Sleep mode 30 mA): -1,-2,-3 (Rev.3)
  • 75 mA (Sleep mode 50 mA): -4, -5
  • Operating Temp. -30° to 70°C (Storage: -40° to 85°C)
  • Humidity 5% to 95% RH (non-condensing)
  • Flammability UL 94V-0 materials
  • Telecom Ratings FCC part 68, Industry Canada CS03-8, CTR21 (98/482/EC); ACA TS 001; ACA TS 002
  • Electrical Safety UL 508, CSA C22.2/14; EN61010-1 (IEC1010), IEC 950, AS/NZS3260
  • EMI emissions FCC part15, ICES-003, Class A; EN55022; AS/NZS3548
  • EMC immunity EN50082-1 (IEC801-2, 3, 4)
  • Vibration IEC68-2-6
  • Hazardous locations (Zone 2) UL1604, CSA C22.2/213 (Class I, Div 2, Groups A, B, C, D); Cenelec, EN50021 (EEx nA II T4)
  • DIN-rail or panel mounting

Selection Guide
VT-MODEM-1WW General Purpose 33.6K (V.34)
This is the workhorse for general industrial applications. It supports speeds up to 33.6K (V.34)
VT-MODEM-2WW PLC Self-dialing
This can automatically dial out on a contact closure from any PLC or other device.
VT-MODEM-3WW RS422 / RS485 & Extended Power
This has a RS422/485 port in addition to the RS232 port and accepts power up to 52 VDC.T
VT-MODEM-4WW Leased-Line
This supports 2-wire leased-line. (Note: Must be used in pairs. May not be compatible with other brands of leased-line modems.)
VT-MODEM-5WW Advanced 56K (V.92)
This supports speeds up to 56K and advanced features such as call-back security and remote configuration




Model
VT-MODEM-xxx
 Worldwide
General purpose; dial-up to 33.6K (V.34) -1WW
PLC self-dialing and auto-answer to 33.6K -2 WW
RS422 / RS485 port and 10-52 VDC power -3 WW
Leased-line (2-wire only) -4 WW
Advanced 56K (V.92 and V.90) -5 WW


Extended Warranty Extend the warranty from 12 to 36 months VT-CARE-36

Note: All modems include a RS232 modem cable (DB9) and complete Windows software CD, at no extra cost.

Location Codes:
US For use in U.S., Canada, Mexico, Central and South America
EC For use in Europe, Asia, Africa, Australia and New Zealand
WW For worldwide use. OEMs install and test it here, use it there.

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