This Polycom HDX Serial Cable, part number 2457-21263-200, is 5 feet long and
features RS-530 with RS-366. The Polycom Serial Cable is a replacement or spare
cable, delivering HD-68M to 'Y'.
Polycom 5' Serial Cable (2457-21263-200) for HDX video conferencing systems:
1) 1 RS-530 with RS-366 5' Serial Cable
2) HD-68M to 'Y' RS-530 DB-25M / RS-366 DB-25M