xe0020 ETC-unknow, xe0020 Datasheet

Page 1

... As with all Xecom DAAs the XE0020 and XE0020C include Ring Detection, Switch-Hook, and Loop Current Holding Circuits. In addition both the XE0020 and XE0020C include two line monitors to insure unobtrusive customer premises operation. The XE0020C also passes the Caller ID signal through to the system host ...

Page 2

... Ring Ring is one of two signals which form the telephone network connection (RJ11 Pin 4). The XE0020 is not sensitive to the polarity of the battery voltage on the telephone line. Ring has 1500 volts isolation from the rest of the circuitry which must be preserved throughout the system. ...

Page 3

... HInt go high, it should immediately lower OH to disconnect the XE0020 or XE0020C from the telephone line. 10 /CD Connect Detect, output, active low, TTL. /CD indicates that the XE0020 is connected to the telephone line and the telephone line is not in use. XE0020/XE0020C Typical Connection Diagram Modem ...

Page 4

... Storage Temperature Operating Temperature Range (4) Min Typ Max Units 1.7 2.7 3.7 dB 1.7 2.7 3.7 dB 540 600 660 Ohms 330 340 350 Ohms 38 150 Vrms 100 0.2 0.5 Volts 2.0 3.0 Volts 0.2 0.5 Volts 100 mA -72 -76 dBm 15 Volts 0.5 1.0 1.5 Volts 260 C XE0020 ...

Page 5

... If the system is capable of DTMF dialing, the maximum DTMF transmission level must be less than 0 dBm averaged over a 3 second interval. 4. Billing Delay A delay of 2 seconds or greater is required after the time the XE0020 is taken “off hook” and before any information is transmitted. This is required to ensure that billing information may be exchanged between telephone company central offices without interference. ...

Page 6

... Product mentioned herein are used for identification purposes only and may be trademarks and/or registered trademarks of their respective companies. XECOM Xecom Incorporated 374 Turquoise Street, Milpitas, CA 95035 Web Site www.xecom.com Ph:408 -945 -66 40 Fax: 408 - 942-1346 E-Mail info@xecom.com (6) XE0020 ...