Modular to Amphenol adapter

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.

Various wiring schemes are available. Some are in limited supply. Select from chart below. Manufacturers include Amphenol, AMP, Suttle, AllenTel, Ortronics, etc. (our choice). Some are a bit grungy.
 

Part #	25-pair connector	Modular Jack	Connections
SE 153 AM-01 (most often used)	male	4-pin	green - 1, red - 26 black - 2, yellow - 27
285-168-4 (reversed polarity from above)	male	4-pin	green - 26, red - 1 black - 27, yellow - 2
283-168-2	male	4-pin	pairs 23, 24
1A2 (picks up two lines on first & fourth pairs)	male	4-pin	green - 1, red - 26 black - 4, yellow - 29 (no longer made -- shown for info only)
285-168-2	male	4-pin	green - 48, red - 23 black - 49, yellow - 24
285-168-0302	male	4-pin	green - 24, red - 49 black - 25, yellow - 50
KS 21997 L12	male	4-pin	pairs 21, 22
KS 16689 L18	male	6-pin	green - 1, red - 26 black - 2, yellow - 27 blue - 25, white - 50
153 AM3 KS21997 (reversed polarity from above)	male	6-pin	green - 26, red - 1 black - 27, yellow - 2 blue - 50, white - 25
259A Out of Stock	male	8-pin	pairs 1, 2, 3, 4
259B	male	8-pin	pairs 5, 6, 7, 8
259C	male	8-pin	pairs 9, 10, 11, 12

"Ground" shipping charge is $9 for up to five adapters sent together, in the US. You may get free shipping, if sent with other items totaling $125 or more that qualify for free shipping.