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Table 2: Cisco IP Phones and Supported Cisco IP Phone 8851/8861 Key Expansion Module and Cisco IP Phone 8865 Key Expansion Module

Supported Numbers of Key Expansion Modules and Buttons

Cisco IP Phone Model

2; dual LCD screen, 14 line keys, two pages, providing 56 buttons

Cisco IP Phone 8851

3; dual LCD screen, 14 line keys, two pages, providing 84 buttons

Cisco IP Phone 8861

3; dual LCD screen, 14 line keys, two pages, providing 84 buttons

Cisco IP Phone 8865

Key Expansion Module Power Information

If you use a key expansion module with your IP phone, then Power over Ethernet (PoE) is enough to power
your expansion modules. But, your phone must have an IP address in order to charge the expansion module.

A power cube is needed for smartphone or tablet charging when your key expansion module is attached.

A key expansion module uses 48V DC, 5W per module. If you are charging a smartphone or a tablet, note
the following:

• Side USB: Up to 500mA/2.5W charging

• Back USB: Fast charging, Supports up to 2.1A/10.5W charging

Table 3: Power-Supply Compatibility for Cisco IP Phone 8800 Key Expansion Module

Cisco IP Phone Power Cube 4

802.3at PoE

802.3af Power over Ethernet
(PoE)

Configuration

Yes

8851 with 1 key expansion
module

Yes

See the third note below

8851with 2 key expansion
modules

Yes

8861 with 1 key expansion
module

Yes

See the first note below

8861 with 2 key expansion
modules

Yes

See the first note below

8861 with 3 key expansion
modules

Cisco IP Phone Key Expansion Module

Key Expansion Module Power Information

Summary of Contents for BEKEM

Page 1: ...Key Expansion Module from the Phone Web Page on page 12 Access Key Expansion Module Setup on page 12 Allocate a Key Expansion Module Type on page 13 Allocate a Key Expansion Module Type with the Phone Menu on page 13 Reset the Single LCD Screen Key Expansion Module on page 13 Troubleshoot the Key Expansion Module on page 14 Key Expansion Module Does Not Go Through the Normal Start Up Process on pa...

Page 2: ...r Note You can use more than one expansion module per phone But each module must be the same type You cannot mix Cisco IP Phone 8800 Key Expansion Module with a Cisco IP Phone 8851 8861 Key Expansion Module or with a Cisco IP Phone 8865 Key Expansion Module You cannot mix audio expansion modules with video expansion modules You also cannot use a video expansion module on an audio phone or an audio...

Page 3: ...module A power cube is needed for smartphone or tablet charging when your key expansion module is attached A key expansion module uses 48V DC 5W per module If you are charging a smartphone or a tablet note the following Side USB Up to 500mA 2 5W charging Back USB Fast charging Supports up to 2 1A 10 5W charging Table 3 Power Supply Compatibility for Cisco IP Phone 8800 Key Expansion Module Cisco I...

Page 4: ...es Yes No 8861 and 8865 with 1 key expansion module Yes Yes See the first note below No 8861 and 8865 with 2 key expansion modules Yes Yes See the first note below No 8861 and 8865 with 3 key expansion modules The fast charging feature on the back USB does not work when more than one key expansion module is attached to a Cisco IP Phone 8861 and 8865 using 802 3at PoE The fast charging feature on t...

Page 5: ... of the phone This diagram shows the location Step 4 Remove the two accessory connector covers as shown in the diagram The slots are designed for the spine connector only Insertion of other objects will cause permanent damage to the phone Caution Cisco IP Phone Key Expansion Module 5 Cisco IP Phone Key Expansion Module Connect a Key Expansion Module to a Cisco IP Phone ...

Page 6: ... Firmly press the spine connector into the phone This diagram shows the spine connector This diagram shows the installation of the spine connector Step 7 Connect the other end of the spine connector to the key expansion module as shown in this diagram a Align the spine connector with the key expansion module accessory connector ports b Firmly press the key expansion module into the spine connector...

Page 7: ...ird key expansion module to the second key expansion module Step 10 Use a screwdriver to fasten the screws into the phone This step ensures that the phone and key expansion module remain connected at all times This diagram shows the location of the screw holes on the phone and one key expansion module Cisco IP Phone Key Expansion Module 7 Cisco IP Phone Key Expansion Module Connect a Key Expansion...

Page 8: ...Ethernet cable into the phone Connect Two or Three Key Expansion Modules to a Cisco IP Phone Procedure Step 1 Unplug the Ethernet cable from the phone Step 2 If installed remove the footstand from the phone Step 3 Locate the accessory connector covers on the side of the phone This diagram shows the location Cisco IP Phone Key Expansion Module 8 Cisco IP Phone Key Expansion Module Connect Two or Th...

Page 9: ...one faces up Step 6 Connect one end of the key expansion module spine connector to the accessory connector on the Cisco IP Phone a Align the spine connector with the accessory connector ports Install the connector in the orientation shown in the following diagrams Note b Firmly press the spine connector into the phone Cisco IP Phone Key Expansion Module 9 Cisco IP Phone Key Expansion Module Connec...

Page 10: ...e first key expansion module is now connected to the Cisco IP Phone Step 8 Use a second key expansion module spine connector to connect the second key expansion module to the first key expansion module Step 9 Use a third key expansion module spine connector to connect the third key expansion module to the second middle key expansion module This figure shows a Cisco IP Phone with three key expansio...

Page 11: ... the phone Auto Detection of Key Expansion Modules You can configure a new phone to auto detect the maximum number of key expansion modules that it supports For these phones the Number of Units field shows the maximum number of key expansion modules that the phone supports as the default value When a user adds key expansion modules to these phones the module lights up and is enabled automatically ...

Page 12: ...onfigure them in the Configuration Utility page the phone automatically recognizes the key expansion modules When multiple key expansion modules are attached they are numbered according to the order in which they connect to the phone Key expansion module 1 is the expansion module closest to the phone Key expansion module 2 is the expansion module in the middle Key expansion module 3 is the expansi...

Page 13: ...ansion Module Type with the Phone Menu You can assign the type of key expansion module that the phone supports Procedure Step 1 Press Applications Step 2 Select User preferences Attendant console preferences KEM type Step 3 Select the key expansion module type Step 4 Press Save Reset the Single LCD Screen Key Expansion Module If you are having technical difficulties with your Cisco IP Phone 8800 K...

Page 14: ...xpansion module resets Troubleshoot the Key Expansion Module Procedure Step 1 Open a CLI Step 2 Enter the following command to enter debug mode debugsh Step 3 Enter to see all available commands and options Step 4 Use the applicable commands and options to find the desired information Step 5 To exit debug mode press Ctrl C Key Expansion Module Does Not Go Through the Normal Start Up Process Proble...

Page 15: ...Number of Units Solution Change the phone to use the same type of expansion module Check the PoE the phone connected to Check if the unit number is bigger than the Number of Units Cisco IP Phone Key Expansion Module 15 Cisco IP Phone Key Expansion Module Key Expansion Module Does Not Go Through the Normal Start Up Process ...

Page 16: ...Cisco IP Phone Key Expansion Module 16 Cisco IP Phone Key Expansion Module Key Expansion Module Does Not Go Through the Normal Start Up Process ...

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