A-2
Cisco ATA 187 Analog Telephone Adaptor Administration Guide for SIP (Version 1.0)
OL-21862-01
Appendix A ATA 187 Specifications
Electrical Specifications
Electrical Specifications
Environmental Specifications
Physical Interfaces
Table A-2
Electrical Specifications
Description
Specification
Power
0.25 to 12W (idle to peak)
DC input voltage
+12.0 VDC at 1.0A maximum
Power adaptor
Universal AC/DC
~4.05 x 1.93 x 1.31 in. (~10.3 x 4.9 x 3.35 cm)
~4.23 oz (120 g) for the AC-input external power adaptor
~4.9 ft (1.5 m) DC cord
6 ft (1.8 m) cord
UL/cUL, CE approved
Class I adaptor
Table A-3
Environmental Specifications
Description
Specification
Operating temperature
23 to 113
F (-5 to 45
C)
Non-operating temperature
–13 to 158
F (–25 to 70
C)
Relative humidity
5 to 95% noncondensing
Table A-4
Physical Interfaces
Description
Specification
Ethernet
One RJ-45 connector, IEEE 802.3 100BaseT standard
Analog phone
Two RJ-11 FXS voice ports
Power
12 VDC power connector
Power switch
Power switch to turn the ATA 187 on or off