Hardware Overview - Cisco ATA186-I2 Administrator's Manual

Chapter 1 Cisco Analog Telephone Adaptor Overview

Hardware Overview

The Cisco ATA 186 and Cisco ATA 188 are compact, easy-to-install devices.
panel of the Cisco ATA 186.
Figure 1-5
Figure 1-6
The unit provides the following connectors and indicators:
•
•
The Cisco ATA186-I1 and Cisco ATA188-I1 provide 600-ohm resistive impedance. The
Note
Cisco ATA 186-I2 and Cisco ATA188-I2 provide 270 ohm + 750 ohm // 150-nF complex impedance.
The impedance option is requested when you place your order and should match your specific
application. If you are not sure of the applicable configuration, check your country or regional telephone
impedance requirements.
OL-4804-01
Figure 1-6
Cisco ATA 186—Rear View
PHONE 1 PHONE 2
RJ-11 FXS ports
RJ-45 10BaseT
Cisco ATA 188—Rear View
PHONE 1 PHONE 2 LINK
RJ-11 FXS ports
LINK LED
RJ-45 10/100BaseT ports
5V power connector.
Two RJ-11 FXS (Foreign Exchange Station) ports—The Cisco ATA supports two independent
RJ-11 telephone ports that can connect to any standard analog telephone device. Each port supports
either voice calls or fax sessions, and both ports can be used simultaneously.
Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide for H.323 (version 3.0)
shows the rear panel of the Cisco ATA 188.
10BaseT ACT 5V
Power
connector
ACT LED
10/100 PC 10/100 UPLINK LINK 5V
Power
connector
LINK LED
Hardware Overview
Figure 1-5 shows the rear
1-5