Communication system and communication device

Abstract

To continue functioning normally even when a transmission device exists between the Ethernet transfer devices and the settings of the Ethernet transfer device and the transmission device become inconsistent.SOLUTION: An optical transmission system S includes first and second optical transmitter / receiver units 21 connected via an optical transmission line unit 5 and communicated according to a predetermined ODU standard, a first Ethernet transfer unit 4 connected adjacent to the first optical transmitter / receiver unit, and a second Ethernet transfer unit 4 connected adjacent to the second optical transmitter / receiver unit, and the first and second Ethernet transfer units 4 determine an Ethernet standard from a predetermined ODU standard.SELECTED DRAWING: Figure 1

Claims

1. A first and a second optical transceiver unit connected via an optical transmission path section and communicating according to a predetermined ODU standard, A first Ethernet transfer unit connected adjacent to the first optical transceiver unit, A second Ethernet transfer unit connected adjacent to the second optical transceiver unit, and comprising: The first and second Ethernet transfer units determine an Ethernet standard from the predetermined ODU standard. A communication system characterized by the above.

2. A first and a second optical transceiver unit connected via an optical transmission path section and communicating according to a predetermined ODU standard, A first Ethernet transfer unit connected adjacent to the first optical transceiver unit, A second Ethernet transfer unit connected adjacent to the second optical transceiver unit, and comprising: The first and second Ethernet transfer units determine an Ethernet standard from the predetermined ODU standard. A communication device characterized by the above.

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