The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 03, 1997
Filed:
Jun. 07, 1995
David A Kranzler, Belmont, CA (US);
Ching-Yao Chu, Sunnyvale, CA (US);
Wen-Tsung Tang, Santa Clara, CA (US);
3Com Corporation, Santa Clara, CA (US);
Abstract
A Class II stackable 100 Mbps Ethernet repeater architecture achievable by use of two different types of wired-OR interconnection in an Ethernet backplane, a Bus Transceiver Logic (BTL) wired-OR to selected control, data and clock lines, and a high-speed Transistor-Transistor Logic (TTL) which is wired-OR'ed together in three-level logic on a common activity signal line. The backplane has sufficiently low signal latency to permit two logical repeaters to be connected together with at least eight stackable repeater modules in each logical repeater, each repeater module having thirteen to sixteen station ports to support as many as 254 stations in a 100 Mbps environment with a diameter of 205 meters, which is up to 8.5 times greater than previously achievable.