Installing on the Wall 113Figure 10 shows that the 3Com 3107C charging unit can also charge anoptional spare battery pack with or without the handset being insertedfor charging. The battery packs can be recharged either in or out of thehandset.Figure 10 3Com 3107C Charging Unit1 AC adapter2 Optional battery packInstalling on theWallYou can mount the 3Com Cordless Telephone base unit directly on a wall.Before you do so, follow these guidelines:■ Select a location away from electrical cables, pipes, or other itemsbehind the mounting location that could cause a hazard wheninserting screws into the wall.■ Verify that the wall material is capable of supporting the weight of thebase unit.■ Use #10 screws with anchoring devices suitable for the wall material.12