54948
Digital Equipment Corporation invented a convention which used 19 ( the device control 3 character ( DC3 ) , also known as control-S , or XOFF ) to " S " top transmission , and 17 ( the device control 1 character ( DC1 ) , a.k.a. control-Q , or XON ) to start transmission .
 Digital Equipment Corporation
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Digital Equipment Corporation