EIS Executone 21640 IDS EVCM LSI Card IRS H Module w/ 15383 Card

EISI 21640 Executone EVCM LSI Card IRS Circuit Board

Executone Card IDS 108 228 EVCM (21640)

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

Executone 15750 IDS Port LSI II PCB Assembly Circuit Board

Executone 21680-1 IDS EVCM CPLD IRS 21640-2 Modem

Refurbished Executone 21640 108/228 EVCM Card

EIS Executone 15750 IDS Station Port LSI II Card IRS D