Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] HA (high availability) 2nd HD (High-Density BNC EIA) HD mini-BNC EIA HDSL (high-bit digital subscriber line) high availability (HA) 2nd high-bandwidth services high-bit digital subscriber line (HDSL) High-Density (HD) BNC EIA high-speed optical cards higher-rate signals History tab (CTC) hubbed rings |