Coding and modulation requirements for 4,800 bit/second modems
Series: Federal information processing standards publication -- FIPS PUB  134-1; Federal information processing standards publication -- 134-1
Publisher: National Computer Systems Laboratory, National Institute of Standards and Technology; For sale by the National Technical Information Service
Published: 1989
Place of publication: Gaithersburg, MD; Springfield, VA
Language: eng
Number of pages: 14
Subjects: Modems -- Standards -- United States; Computer input-output equipment -- Standards -- United States
Notes: "Category: Telecommunications standard."

Shipping list no.: 89-388-P

"Issued November 4, 1988."