05313453 is referenced by 47 patents and cites 7 patents.

A first form of an ATM channel testing apparatus tests an ATM channel by having a test cell detector in each switch to detect whether or not the switch appropriately switches a test cell generated by a test cell generating trunk. A second form of an ATM channel testing apparatus easily tests an ATM channel by having test cell generators provided for the respective input highways sequentially generating test cells including test cell identifying information and input highway identifying information, and having test cell checkers provided respectively for the output highways simply tally the test cells by the respective input highways. A third form of an ATM channel testing apparatus tests an ATM channel with less pieces of hardware by having turnaround parts in respective ordinary trunks sequentially turn around a test cell generated by a test cell generating trunk to be finally returned to the test cell generating trunk. A fourth form of an ATM channel testing apparatus tests an ATM channel by having a test cell checker provided for each of output highways to examine whether or not the test data carried in respective octets of the payloads in extracted test cells are of consecutive values.

Title
Apparatus for testing ATM channels
Application Number
750451
Publication Number
5313453
Application Date
March 20, 1992
Publication Date
May 17, 1994
Inventor
Masami Murayama
Kawasaki
JP
Shuji Yoshimura
Kawasaki
JP
Yasuhiro Aso
Kawasaki
JP
Naoyuki Izawa
Kawasaki
JP
Satoshi Kakuma
Kawasaki
JP
Yoshihiro Uchida
Kawasaki
JP
Agent
Staas & Halsey
Assignee
Fujitsu
JP
IPC
H04J 3/14
H04Q 11/04
H04L 12/56
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