Cisco Systems ATA 188 Manual De Usuario
1-5
Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (H.323)
OL-4008-01
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.
shows the rear
panel of the Cisco ATA 186.
shows the rear panel of the Cisco ATA 188.
Figure 1-5
Cisco ATA 186—Rear View
Figure 1-6
Cisco ATA 188—Rear View
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.
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
ATA186-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 regionaltelephone impedance
requirements.
ATA186-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 regionaltelephone impedance
requirements.
10BaseT
ACT
5V
PHONE 1
PHONE 2
72210
RJ-11 FXS ports
RJ-45 10BaseT
ACT LED
Power
connector
connector
10/100 UPLINK
10/100 PC
LINK
LINK
5V
PHONE 1
PHONE 2
72211
RJ-11 FXS ports
LINK LED
Power
connector
connector
LINK LED
RJ-45 10/100BaseT ports