V.21 MODEM

Modems Glossary

Modems — V.21 Modem

 

 

 

 

 

 

Argos Home

 

 		 
 


Information on V.21 Modem

V.21 is an ITU fax modem standard. Characteristics of a V.21 modem include:

  • Bit rate: 300 bps
  • Modulation: FSK
  • Carrier frequency: 980, 1180 Hz (originate) 1650, 1850 Hz (answer)

     V.21 is used to carry the digital identification signal that identifies the capabilities of the receiving fax to the calling machine.


Other topics in our resources on Modems related to V.21 Modem include: 
 
  • Group 3 fax modem
    		•

     

    Please contact Argos Press to propose related words or phrases to be added to the glossary. Please also contact Argos Press to request permission to reproduce, broadcast, adapt and communicate Argos Press content (including this glossary entry on V.21 Modem). © Argos Press Pty Ltd, Canberra, 2003-2004. All rights reserved.