Installation guide

Total Access 900e Series Hardware Installation Guide Battery Backup Unit

Batteries are retained and prewired in the BBU in a specific pattern. Battery position is maintained by foam

spacers press-fitted against the housing walls. Removing batteries or disconnecting wires compromises

correct reassembly and should not be attempted.

BBU Safety Notices

This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions:

• This device may not cause harmful interference.

• This device must accept any interference received, including that which may cause undesired operation.

Wall Mounting the BBU

Wall Mounting the Total Access 908e BBU (1200641L1)

Figure 5 shows the BBU mounting dimensions for the Total Access 908e.

Figure 5. Wall Mounting the 1200641L1 BBU

The BBU should only be used in specified ADTRAN applications.

4.280 "

center-to-center

2.734 "

edge-to-center

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