Manual for ATA 191

Name: Manual for ATA 191
Brand: Cisco
Availability: InStock

Brand: Cisco

Category: Networking

Document Type: Manual

Language: EN

Uploaded: Sept. 12, 2025, 4:20 a.m.

Manual Publish Date: 2017-11-22

Warranty Information

The software license and limited warranty are set forth in the information packet that shipped with the product.

Your new ATA

Your analog telephone adapter (ATA) allows you to connect an analog device, such as an analog phone or fax machine, to your network. The connected device can then function like the IP phones in your network.

Your new analog telephone adapter (ATA) has two interfaces:

Two RJ11 ports for analog devices
A RJ45 port for Ethernet

Light-emitting diodes (LEDs) on the ATA provide status.

Install your ATA with the components that are included in the box.

You'll perform these tasks:

Install your ATA with the components in the box.

Cisco ATA 191 Hardware

The ATA 191 and ATA 192 are compact, easy to install devices.

The unit provides these connectors:

5V DC power connector.
Two RJ-11 FXS (Foreign Exchange Station) ports-Your ATA has two RJ-11 ports that work with any standard analog phone device. Each port supports either voice calls or fax sessions, and both ports can be used simultaneously.
One WAN network port-An RJ-45 10/100BASE-T data port to connect an Ethernet-capable device to the network.

Troubleshooting and error codes

Item	Description
Power LED	Steady green: System booted up successfully and is ready for use. Slow flashing green: System is booting up. Fast flashing green three times, then repeats: System failed to boot up. Fast flashing green: The LED behaviour occurs in the following situations: System detects a factory reset. To perform a factory reset, press and hold the RESET button for about 10 seconds. A factory reset is performed successfully. Off: Power is off.
Network LED	Flashing green: Data transmission or reception is in progress through the WAN port. Off: No link.
Phone 1 LED	Steady green: On hook. Slow flashing green: Off hook. Fast flashing green three times, then repeats: The analog device failed to register. Fast flashing green: A factory reset is performed successfully. Off: The port is not configured.
Phone 2 LED	Steady green: On hook. Slow flashing green: Off hook. Fast flashing green three times, then repeats: The analog device failed to register. Fast flashing green: A factory reset is performed successfully. Off: The port is not configured.
Problem Report Tool (PRT) Button	Press this button to create a problem report using the Problem Report Tool. Note: This is not a power button. When you press this button, a problem report is generated and uploaded to a server for the system administrator.
Problem Report Tool (PRT) LED	Flashing amber: The PRT is preparing the data for the problem report. Fast Flashing amber: The PRT is sending the problem report log to the PRT server. Solid green for five seconds, then off: The PRT report was sent successfully. Fast flashing green: A factory reset is performed successfully. Flashing red: The PRT report failed. Press the PRT button to turn the LED off. Once it is off, another press triggers a new PRT report.