EXECUTONE EISI ASSY 21640 IDS EVCM LSI CARD

Executone 15750 IDS Port LSI II PCB Assembly Circuit Board

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

EIS Executone 15750 IDS Station Port LSI II Card IRS D

Executone 15750 IDS Port LSI II PCB Assembly Circuit Board SN-B0050267

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

Executone Card IDS 108 228 EVCM (21640)

Executone EISI 15560 4 STA DTMF REC MOD Card IRS E