Here is a very nice  NOS Lt Biege Western Electric telephone subset ringer box that works and rings well. These are new old stock in the original box. I will provide you with a new modular cord . These went with 233G payphones and provided the ringer as well as the network for the payphone 

Just hook up to your use with your 202 or 102.The 685 was used with 233G payphones made by Western Electric and Northern Electric.New in the box . Box is marked 4/28/1964