Cisco Unified IP Phone Expansion Module 7915 User manual

PHONE GUIDE
Cisco Unified IP Phone Expansion
Module 7915
INCLUDING LICENSE AND WARRANTY
1Introducing the Cisco Unified IP Phone Expansion
Module 7915
2Installing the Cisco Unified IP Phone
Expansion Module 7915
3Features of the Cisco Unified IP Phone
Expansion Module 7915
4Using the Cisco Unified IP Phone
Expansion Module 7915
5Troubleshooting the Cisco Unified IP Phone
Expansion Module 7915
6Technical Specifications for the Cisco Unified IP
Phone Expansion Module 7915
7Where to Find More Information
8Obtaining Documentation and Submitting a
Service Request
9Cisco One-Year Limited Hardware Warranty Terms

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1 Introducing the Cisco Unified
IP Phone Expansion Module 7915
The Cisco Unified IP Phone Expansion Module 7915 attaches
to your Cisco Unified IP Phone 7962G, Cisco Unified
IP Phone 7965G or Cisco Unified IP Phone 7975G, adding up
to 24 extra line appearances or programmable buttons to your
phone. Attaching a second Expansion Module to your
Cisco Unified IP Phone adds a total of 48 extra line appearances
or programmable buttons to your phone. See Figure 1.
Note If you are running the SCCP protocol, you can
configure a maximum of 42 lines on your phone. For
example, if you configure two 24-line Cisco Unified IP
Phone Expansion Modules on a Cisco Unified IP Phone
7962G or Cisco Unified IP Phone 7965G, you will have
a total of 54 lines (48 lines from the modules in
addition to the 6 lines on the phone). However, only the
first 42 lines will be available for use.
The programmable buttons can be configured as phone line
buttons, speed-dial buttons, phone service buttons or phone
feature buttons.
Figure 1 Cisco Unified IP Phone 7962G with Two Expansion
Modules
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Before You Begin
Before you begin installing your Cisco Unified IP Phone
Expansion Module 7915, read each of these sections:
• Package Contents, page 3
• Footstand Kits, page 3
• Additional Equipment, page 4
• Safety Information, page 4
Package Contents
Verify that your package contents includes the following items:
• One Cisco Unified IP Phone Expansion Module 7915
• One interface cable
Footstand Kits
In addition to the package contents, you also need a Footstand
Kit (separate orderable item). If you are attaching one
Cisco Unified IP Phone Expansion Module 7915, you need the
single Footstand Kit. If you are attaching two Expansion
Module 7915s, you need the double Footstand Kit. The
Footstand Kit contains:
• One support bar (single with one thumbscrew, or double
with two thumbscrews)
• One footstand

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Additional Equipment
You also need the following equipment.
• Small flat head screwdriver—for use during the installation
• Power supply unit—depending on how many
Expansion Modules you are installing and how your
Cisco Unified IP Phone is powered, you will require power
supply unit(s) as follows:
Power over the Ethernet to
your Cisco Unified IP Phone
With one or two Expansion
Modules, you need a power
supply unit (separate
orderable item).
Power supply to your
Cisco Unified IP Phone
With one Expansion Module,
you do not need a power
supply unit.
With two Expansion
Modules, you need a power
supply unit (separate
orderable item).
Note Use of a non-Cisco certified power supply unit might
not work and voids the Cisco Unified IP Phone
Expansion Module 7915 product warranty.
Safety Information
The following safety warnings are for the Expansion
Module 7915. Read these notices before you install or use the
Expansion Module 7915. For translated warnings, refer to the
Regulatory Compliance and Safety Information for the Cisco
Unified IP Phone 7900 Series.

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Installing and Using Your Expansion Module 7915
Read the following safety notices before installing or using your
Expansion Module 7915:
Warning IMPORTANT SAFETY INSTRUCTIONS
This warning symbol means danger. You are in a situation
that could cause bodily injury. Before you work on any
equipment, be aware of the hazards involved with electrical
circuitry and be familiar with standard practices for
preventing accidents. Use the statement number provided at
the end of each warning to locate its translation in the
translated safety warnings that accompanied this device.
SAVE THESE INSTRUCTIONS
Warning Read the installation instructions before you
connect the system to its power source.
Warning Ultimate disposal of this product should be
handled according to all national laws and
regulations.
Warning Do not work on the system or connect or
disconnect cables during periods of lightning
activity.
Warning To avoid electric shock, do not connect safety
extra low voltage (SELV) circuits to telephone
network voltage (TNV) circuits. LAN ports contain
SELV circuits, and WAN ports contain TNV
circuits. Some LAN and WAN ports use RJ-45
connectors. Use caution when connecting cables.

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Using an External Power Supply
Read the following warnings before you use the Cisco certified
external power supply with the Expansion Module 7915:
Caution Only use the specified Cisco-approved power
supply on this product.
Warning This product relies on the building's installation
for short-circuit (over current) protection. Ensure
that a fuse or circuit breaker no larger than 120
VAC, 15A U.S. (240 VAC, 10A international) is used
on the phase conductors (all current-carrying
conductors).
Warning The device is designed to work with TN power
systems.
Warning The plug-socket combination must be accessible
at all times because it serves as the main
disconnecting device.
Warning The power supply must be placed indoors.
2 Installing the Cisco Unified
IP Phone Expansion Module 7915
Note To ensure a successful installation of the
Expansion Module 7915, make sure you have read the
entire “Before You Begin” section on page 3.

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To install the Cisco Unified IP Phone Expansion Module 7915,
perform the following tasks.
1. Remove the Footstand from the Cisco Unified IP Phone.
2. Connect the Support Bar to the Cisco Unified IP Phone.
3. Connect the Expansion Module 7915 to the Support Bar.
4. Connect the Interface Cable.
5. Connect the Power Supply Unit.
6. Connect the Footstand.
7. Connect a Laptop Cable Lock (optional).
Refer to the detailed instructions and corresponding
illustrations that follow for each of these high-level tasks.
Caution To ensure a successful installation, verify with your
system administrator that your phone is ready for
the Cisco Unified IP Phone Expansion
Module 7915 and that Cisco Unified
Communications Manager is installed and
configured for the Cisco Unified IP
Phone Expansion Module 7915. Make sure that
you have all of the parts that you need (see the
“Before You Begin” section on page 3).
Remove the Footstand from the Cisco Unified
IP Phone
Refer to Figure 2 and the steps that follow.

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Figure 2 Removing the Footstand
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Step 1 Unplug the Cisco Unified IP Phone network and power
connections.
Step 2 Unplug the handset, and unplug the headset if one is
attached to the phone.
Step 3 Turn the Cisco Unified IP Phone over and lay it on a
protected flat surface to prevent it from being
scratched.
Step 4 Locate the two foot pins on the footstand.
Step 5 Use a flat head screwdriver to carefully push on one of
the foot pins to release it. Then carefully push on the
other foot pin to release it.
Note You may have to lift and hold the
Cisco Unified IP Phone to support it when
pushing the foot pins. When pushing on the
footpins, push away from your body.
Step 6 Lift off the footstand and store it separately.

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Connect the Support Bar to the Cisco Unified
IP Phone
Refer to Figure 3 and the steps that follow.
Figure 3 Connecting the Support Bar
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Step 1 Position the support bar on the back of the
Cisco Unified IP Phone so that it fits flush with the
phone.
Step 2 Locate the two connector pins.
Step 3 Use a flat head screwdriver to carefully push each of the
connector pins so that the support bar is firmly fastened
to the Cisco Unified IP Phone.
Connect the Expansion Module 7915 to the
Support Bar
Refer to Figure 4 and the steps that follow.

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Figure 4 Connecting the Expansion Module to the
Support Bar
1Open slots on the Cisco Unified IP Phone
Expansion Module 7915
2Hooks on the support bar
3Thumbscrews
Step 1 Position the phone so that the front of the phone is
facing up.
Step 2 Line up the two open slots on the bottom of the
Cisco Unified IP Phone Expansion Module 7915 with
the two hooks on the support bar.