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Installation Instruction ASB 150 02 > Boards for ASB 150 02

## Connection of CM-boards on BTU-A and BTU-C

Connect the correct type of call metering board, according to the figure below, on BTU-A board ROF 157 5110/_ or ROF 157 5127/_ and in the same fashion on the BTU-C board ROF 157 5111/_. The BTU-C cannot be equipped with a CM50 board as the flat ribbon cable cannot be connected and CM12/16 (ROA 219 5135/1).

The following boards are available CM50 ROA 219 5064/1, with flat ribbon cable and CM12/16 ROA 219 5135/1 or ROA 219 5062/1 without cable.

For exact positioning of CM-boards, make use of all pin-connectors.

Note

When installing a CM50-board connect the cable before mounting the CM50-board. The BTU-A board must also be connected to earth.

Revision: E © Ericsson Enterprise 2003