Cisco 7916 User Manual page 9

No Display on the 7916 Expansion Module
Buttons on the first 7916 Expansion Module are
all Amber
Buttons on the second 7916 Expansion Module
are all Amber
Buttons are off, and the Cisco logo is frozen in the
display area
The page shift button does not display the second
page
The following are the cable specifications for the cables used with the Cisco Unified IP Expansion Module
7916:
•
2 RJ-11 jacks with 6-pin connectors for the interface cable connections
•
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
equivalent.
•
Verify that all of the cable connections are
correct
•
Verify that you have power to the 7916
Expansion Module
•
Verify that the interface cable between the
7975 Phone and the 7916 Expansion
Module is connected.
•
Verify with your system administrator that
your 7916 Expansion Module is defined in
Cisco Unified Communications Manager.
•
Verify with your system administrator that
your 7916 Expansion Module is defined in
Cisco Unified Communications Manager.
•
Verify with your system administrator that
your 7916 Expansion Module is defined in
Cisco Unified Communications Manager.
•
Verify with your system administrator that
your 7916 is configured as a 24-line
module instead of a 12-line module in
Cisco unified Communications Manager.