Appendix I, Technical Specification - AT&T 1070 User Manual
4-line small business system with caller id/call waiting and speakerphone
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Also See for 1070:
- Installation manual (104 pages) ,
- User manual (94 pages) ,
- Quick start manual (19 pages)
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Appendix I
Technical specification
Operating temperature
Power adapter input
Power adapter output
Backup battery
(purchased separately)
Headset jack
Wiring limitation
REN
System signal carrier
frequency
77
32°F — 122°F
0°C — 50°C
AC120V 60Hz
DC12V 500mA
Alkaline 9V, size 1604A
2.5mm, 32 - 150ohm
No more than 600 feet
0.3B
1.7 MHz
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Troubleshooting
