These adapters makes it easy to install modern "modular" phones on connectorized cables previously used for "1A2" and other electromechanical phone systems.
	
No need to cut off connectors and install new jacks. Has male "Amphenol"-type plug and female modular jack.
	
The standard model has a male 25-pair plug and a female 4-pin/6-position jack. Wiring: green - 1, red - 26, black - 2, yellow - 27
	
Various wiring schemes are available. Some are in limited supply. Ask us. Manufacturers include Amphenol, AMP, Suttle, AllenTel, Ortronics, etc. (our choice). Some are a bit grungy.
	
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