Key Systems (Electronic, 1A2 etc)

Child Boards

[-] Electro-Mehanical Key Systems (1A1, 1A2 etc)

[-] Electronic Key Systems

[-] Panasonic (PBX) Key Systems

[-] Other Telephone POTS type Simulators


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[1] NE 6041QAA restoration

[2] Cross connection wiring frustration!

[3] Adit 600 and Pana KX-TA824

[4] Mounting Cord wire Color coding for older keysets

[5] NEC B64‑U20 KSU any use for old phone collectors?

[6] Kellogg Company MK544 BA (2) Telephone K1A?

[7] Seriss 1A2 KTU board build

[8] 4A speakerphone 680A Transmitter / 108A speaker schematics?

[9] Spent this evening interfacing my 1A2 Shoebox KSU with my Avaya Definity G3


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