CXR Larus 2885P-BPVF-2-00 V34 Modem-Dial-up and 2/4 wire LL sync/async at 33.6 kbps, LED,V23 1200/1200, 110-230 VAC ext. P.S. PSTN V21,V22,V22bis,V23, V32,V32bis,V34 - Leased Line 2/4wire : same modes with Maximum data speed to 115,2Kbps, plus full duplex 1200/1200 bps, Bel 202