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Home >> Mercedes Benz >> 2001 >> S500 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Digital Data Bus Diagnostic System -- 215 & 220 Chassis >> Self-Diagnostic System >> Digital data bus (D2B), diagnosis, previous knowledge - AD82.00-P-2000A >> Connecting diagram, network tester, D2B - AD82.00-P-2000-02A

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)
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IMPORTANT

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)
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IMPORTANT

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