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V.35 Bus Description and Pinout

V.35 bus was discontinued and replaced by the V.10 / V.11 standards in 1989. The V.35 interface supported 48kbps over an RJ45 telco connector. The speed for V.35 was later increased to 2Mbps. At 48kbps the maximum cable length is around 400 meters, and at 2Mbps the maximum length decreases to 15 meters. The pin out below is for a 34-pin square connector (MRAC-34). V.35 uses differential signaling (V.11) on the data and clock lines, while control signals are Single-Ended (V.28). The characteristic impedance is 100 ohms, With differential voltage levels employed at +/- 1.1 volts DC. Off-set from ground is +/-0.2v at the driver and +/- 0.6 volts at the receiver.

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V.35 Standard Organizations

ITU {International Telecommunication Union}
CCITT is the old name for the ITU standards group

Electronic Industries Alliance {EIA}
Telecommunications Industry Association {TIA}

V.11: Electrical characteristics for balanced double-current interchange circuits operating at data signalling rates up to 10 Mbit/s

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V.35 Bus Interface IC Manufacturers

Exar {Single Chip V.35 Transceiver IC}

Texas Instruments 'TI' {V.35 ICs}

Memory Chip IC Manufacturers {This Site}
Processor Chip Manufacturers {This Site}
Glue Logic IC Manufacturers {This Site}

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Engineering Design Key words for this page: V.35, ISO 2593,CCITT, Balanced differential Cable Bus, Electrical Standard, Interface Standard, Specification, Electrical Interface, Semiconductor IC manufacturers, Physical Interface, Engineering Description, Characteristics, Device, Manufacturers, V.35 interface

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