NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN ETS 300539 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| ITU-T V.21 | 1988-11 | 300 Bits per second duplex modem standardized for use in the general switched telephone network More |
| ITU-T V.27ter | 1988-11 | 4800/2400 bits per second modem standardized for use in the general switched telephone network More |
| ITU-T V.29 | 1988-11 | 9600 bits per second modem standardized for use on point-to-point 4-wire leased telephone-type circuits More |
