Slim V.34 telephone line interface with 2/4 wire hybrid. Continuous low level. Horizontal mount. 33,600 bps. Slim V.34 telephone line interface with 2/4 wire hybrid. Ring signal pulses. Vertical mount. 33,600 bps. Slim V.34 telephone line interface with 2/4 wire hybrid. Ring signal pulses. Horizontal mount. 33,600 bps.