Electronic Design, November 8th, 1999
TECCOR Electronics, 1800 Hurd Dr., Irving, TX 75038; (972) 580-7777; fax (972) 550-1309
A T1 carrier line is a digital transmission link operating at a DS-1 transmission rate of 1.544 Mbits/s and employing two pairs of twisted-pair wiring. T1 lines are used extensively for connecting networks across remote distances. This digital transmission standard is recognized in the United States, Canada, Hong Kong, and Japan. Outside of these countries, an E1 transmission rate of 2.048 Mbits/s is employed.
Baseband signaling is typically an AMI (alternate mark inversion) line-code technique, althoug...
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