Phone Modem-RS422/RS-485 Port & 10-52 VDC Power

Part #: VT-MODEM-3WW


Telephone Lines
Max. data rate 33.6 kbps for -3
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 -3
Fax capabilities V.17,V.29/V.27/V.21, FClass 1,1.0 (-1,-2,-3)
Ringer and jacks 0.3 and RJ11 (line and auxiliary)
RS-232 Port
Max. RS-232 Rate 57.6kbps for  -3
Command Set standard AT and S register (see help)
Status LEDs CD, DTR, RD, TD, Power
​RS422 / RS-485 Port
RS422 mode: Supports 4 wire full duplex
RS-485 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 10-52 VDC for -3
Input current @ 24 VDC (typical)
50 mA (Sleep mode 30 mA)
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