Cisco ATA188-I2-A Administration Guide - Page 25

Chapter 1 Cisco Analog Telephone Adaptor Overview Hardware Overview Hardware Overview The Cisco ATA 186 and Cisco ATA 188 are compact, easy-to-install devices. Figure 1-5 shows the rear panel of the Cisco ATA 186. Figure 1-6 shows the rear panel of the Cisco ATA 188. Figure 1-5 Cisco ATA 186-Rear View 72210 PHONE 1 PHONE 2 10BaseT ACT 5V RJ-11 FXS ports RJ-45 10BaseT Power connector ACT LED Figure 1-6 Cisco ATA 188-Rear View 72211 PHONE 1 PHONE 2 LINK 10/100 PC 10/100 UPLINK LINK 5V RJ-11 FXS ports LINK LED Power connector LINK LED RJ-45 10/100BaseT ports The unit provides the following connectors and indicators: • 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. Note The Cisco ATA186-I1 and Cisco ATA188-I1 provide 600-ohm resistive impedance. The 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 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide for H.323 (version 3.0) 1-5