Technical Specifications for the
Cisco Unified IP Phone Expansion
This section provides the physical and operating environment
specifications for the Cisco Unified IP Phone Expansion
Module 7915, as well as the regulatory compliance information.
Physical and Operating Environment
Operating relative humidity
The following are the cable specifications for the cables used
with the Cisco Unified IP Phone Expansion Module 7915:
• 2 RJ-11 jacks with 6-pin connectors for the interface cable
• 48-V power connector. The diameter of the center pin in the
Expansion Module power jack (Switchcraft 712A) is 0.1 in.
(2.5 mm). The center pin is positive (+) voltage. The
miniature power plug required to mate with the power jack
on the Expansion Module is a Switchcraft 760 or
Value or Range
32 to 104°F (0 to 40°C)
10 to 95% (noncondensing)
14 to 140°F (-10 to 60°C )
203 mm, 8.0 in.
121 mm, 4.75 in.
51 mm, 2.0 in.
366 g, 0.82 lb.
48 VDC, 40mA max