Executone 21680-1 IDS EVCM CPLD IRS 21640-2 Isoetec Digital System See Pics

Executone 21680-1 IDS EVCM CPLD IRS (21640-2) Isoetec Digital System 19200

Executone 21680-1 IDS EVCM CPLD IRS 21640-2 Isoetec Digital System 19200

Executone 21640-2 IDS EVCM CPLD Station Card

Refurbished Executone 21640 108/228 EVCM Card

Executone Isoetec IDS 15590 SYS 108/228 L/G/GS 12-Port CO Card

Executone Card IDS 108 228 EVCM (21640)

EXECUTONE 21640-2 / 216402 (USED)