Alpha IA502 Multi-Entrance Adapter-Audio

Multi-Entrance Adapter-Audio 1 Required for Each Add'L Entrance (After 1st) Up to 8 Total Entry Use with IA543/PK543A/PK205. The Alpha Communications IA502 multi-entrance adapter is used our IA543, and older PK543A, PK543 PK205 series amplifiers only.It provide intercom door release switching two (2) eight (8) entrances (depending on how many IA502's are used). in addition system amplifier, power off of same transformer. A plug-in wiring harness makes installation quick easy.You must add one (1) entrance, after first maximum (using seven (7) units).

• Can be entrances
• Operates Safe Low-Voltage Class II Wiring
• Convenient Harness
• Convenient Surface Mount installation