US 12,032,214 B2
Optical communication system
Takayuki Yokochi, Osaka (JP); Kenichiro Otsuka, Osaka (JP); and Takayuki Shimazu, Osaka (JP)
Assigned to SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka (JP)
Filed by SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka (JP)
Filed on Nov. 30, 2022, as Appl. No. 18/071,760.
Claims priority of application No. 2021-197246 (JP), filed on Dec. 3, 2021.
Prior Publication US 2023/0176299 A1, Jun. 8, 2023
Int. Cl. H04B 10/00 (2013.01); G02B 6/38 (2006.01); G02B 6/44 (2006.01)
CPC G02B 6/3897 (2013.01) [G02B 6/3887 (2013.01); G02B 6/4452 (2013.01); G02B 6/4471 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An optical communication system, comprising:
a server rack group in which N (N is an integer of 2 or more) server racks numbered in ascending order are arranged side by side in order;
a first distribution frame arranged on a side of a first server rack of the server rack group in an arrangement direction of the N server racks;
a second distribution frame arranged on a side of a last server rack of the server rack group in the arrangement direction of the N server racks;
a first optical fiber cable that interconnects the server rack group and the first distribution frame; and
a second optical fiber cable that interconnects the server rack group and the second distribution frame,
wherein the first optical fiber cable has an optical connector group for distribution frame including M (M is an integer of 2 or more) optical connectors for distribution frame, which are connected to the first distribution frame and numbered in ascending order, and N optical connector groups for racks each of which includes at least one optical connector for racks, is connected to a device installed in each of the N server racks, and is numbered in ascending order so as to match a direction of numbering of the N server racks,
the second optical fiber cable has an optical connector group for distribution frame including M optical connectors for distribution frame, which are connected to the second distribution frame and numbered in ascending order, and N optical connector groups for racks each of which includes at least one optical connector for racks, is connected to a device installed in each of the N server racks, and is numbered in ascending order so as to match the direction of numbering of the N server racks,
in a correspondence relationship between the M optical connectors for distribution frame and the N optical connector groups for racks of the first optical fiber cable and the second optical fiber cable, closer the number of an optical connector group of the N optical connector groups for racks is to a first number, closer the number of a corresponding optical connector of the M optical connectors for distribution frame is to the first number, and closer the number of an optical connector group of the N optical connector groups for racks is to a last number, closer the number of a corresponding optical connector of the M optical connectors for distribution frame is to the last number,
closer the number of an optical connector of the M optical connectors for distribution frame is to the last number, longer a wiring distance from the optical connector group for distribution frame to a corresponding optical connector group of the N optical connector groups for racks in the first optical fiber cable, and
closer the number of an optical connector of the M optical connectors for distribution frame is to the last number, shorter a wiring distance from the optical connector group for distribution frame to a corresponding optical connector group of the N optical connector groups for racks in the second optical fiber cable.