INSTALLATION

8.Connect a 25-pair plug on octopus cable to the SIP receptacle on the ETU.

9.Mount the octopus cable on the 50A Fanning Strip (Figure 2-31).

10.Connect all eight legs of the octopus cable to adapters (port side) at the SIP. The first five stations (legs 1 through 5) are the Power Failure Transfer stations.

11.Document the connections on the Voice and Data Station Record Form (Figure 2-26).

Connect ETUs (Optional)

12.For systems having three or four ETUs connect ETU 1 to ETU 3 using a D8W-87 cord. Plug one end into the modular jack labeled ADDITIONAL ETU on ETU 1 and the other end into the modular jack labeled SWITCH (cpu) on ETU 3. Connect ETUs2 and 4 the same way.

Connect External Alarm (Optional)

13.Connect the external alarm (if required) to the two screw terminations labeled EXTERNAL ALARM on the upper right of the ETU.

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ADTRAN 25 manual Installation