ocr: THE CURRENT XDSLI MENAGERIE XDSL type Meaning Speeds Comment ADSL Asymmetric DSL In:1.5Mbps The original, used when service is the Out: 64Kbps main topic. HDSL High-speed DSL In: 128Kbps to 1.5Mbps Speeds vary widely. Often deployed in Out: Same symmetrical arrangements. IDSL Proprietary In: 1.IMbps AIX's proprietary DSLvariation. Out: Same RADSL Rate-adaptive DSL In: 6.1Mbps Adapts equipment rote to line Out 1.5Mbps conditions. Very promising. SDSL Single-line DSL In: 128Kbps to 1.5Mops Variation on HDSL, which uses two Qut: Same wire pairs. SDSL uses one wire pair. VDSL Very high bit rote DS ...