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Telephone Modem Battery Replacement FAQs
Last Updated: Wed, 16 Jan 2013 > Related Articles
General instructions with links to resources.
Your telephone service utilizes a phone modem that includes a battery. In the event that a power outage occurs, the battery provides up to eight hours of standby service or up to four hours of talk time using a corded phone connected directly to the phone modems working jack. While in most cases, this battery will not need to be replaced for several years, it is recommended to check the status of your battery on a regular basis.
See Important Information About The Use of Your Cox Digital Telephone Service During a Power Outage for more information.
Included are general FAQs on the eMTA battery replacement.
The battery light indicator on the front of your phone modem will show you.
|eMTA Model||Battery Light||Status||Additional Information|
|Solid Green||No problem|
|Flashing Green||Battery is bad|
|Off||Battery is missing|
|Solid Green||Battery is charged|
|Blinking||Battery charge is low|
|Off||Battery is missing;|
|Solid Amber||No problem|
|Flashing or Blinking||Battery not fully charged or power is off|
|Off||Battery is discharged or not properly installed|
Once you have contacted our local Customer Care office we will ship the phone modem battery to the service address you have provided. You will receive a preprinted FedEx label included with your new battery to use when returning the old battery.
Once you have successfully requested your replacement battery, you can expect to receive your replacement battery within two to three business days.
Installation instructions can be found on Install Telephone Modem Battery.
Your phone modem has a battery indicator light on the front of the device, which displays the status of the battery.
Please contact your local Customer Care office to schedule a technician to come out. There will be a charge associated with this service.