TY  - BOOK
AU  - Sharma, K. K.
TI  - Data communication
AV  - TK 5105 .S53 2011 
PY  - 2011///
CY  - New Delhi, India
PB  - S.K. Kataria & Sons
KW  - DATA TRANSMISSION SYSTEMS
N1  - Includes index; 1. Data and Signal -- 2. Data Communication Concepts -- 3. Line Codes -- 4. Telephone Networks -- 5. Multiplexing -- 6. Digital Hierarchy (PDH & SDH) -- 7. Switching Techniques -- 8. Transmission Error -- 9. Integrated Services Digital Network -- 10. Transmission Media
ER  -