CXR Larus 2885P-TPRU-00 AMS4/16 Rack mount, V34 Modem, Dial-up and 2/4 wire leased line. Sync/async. at 33.6 kbps, V231200/1200,V29, V33, V21,V22,V22bis,V23 full duplex 1200/1200 bps,Bel 202T,V32,V32bis,V34 at 33.6 kbps Maximum data speed to 115.2 kbps, V54 Loop. MNP4/V42, MNP5