| The HDLC 8 hybrid extension card will support 8 digital and 8 slt extensions and is wired from the amphonal just like the old panasonic units useing first pair as slt, second pair as digital and third pair skipped ( used on older units for ohca) repeat this for 8 extensions(for the kxtda 100/200) the smaller units work off a 8 pin modular plug. |