Connecting diagram, network tester, D2B - AD82.00-P-2000-02A

Connection of network tester in D2B mode 

Fig 1: Identifying Connecting Diagram, Network Tester, D2B (1 Of 2)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

In D2B mode the network tester is installed in the optical ring instead of a (presumably) defective control module.

Connection of network tester in test mode 

Fig 2: Identifying Connecting Diagram, Network Tester, D2B (1 Of 3)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

The attenuation of an optical wave guide can be determined in test mode.