Maker : Xecom
Part No. : XE0002D

  Datasheet PDF : XE0002D.pdf
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Product Information

www.DataSheet4U.com XE0002D August 2005 Modular DAA with 2/4 Wire Convertor Description The XE0002D is a compact DAA module designed for applications requiring voice, data or fax transfer. It complies with FCC Part 68 rules for direct connection to the public switched telephone network and also supports leased line applications. The XE0002D provides a complete telephone interface. It includes the 2/4 wire convertor to separate transmit and receive signals, ring detection, integral switch hook and telephone line transformer. All of this circuitry is integrated into a module requiring only 1.25 inches of board space. Features: • Small Size: just 1.25 inches by 1.0 inches by 0.32 inches high • FCC Part 68 Compliant • User selectable 2-4 wire convertor • Active Low Ring Detection • Integral Switch Hook • Supports V.32 Data Transfer • Supports both dial-up and leased line applications • Extended Operating Temperature Range (-40C to +85C) available XE0002D Block Diagram /OH HookHook-Switch XMIT RCVR XFMR T1 T2 J2 J1 2/42/4- Wire Conve rter Tip Telephone Line Transforme r Loop Curre nt Holding Circuit Ring /RI Ring Detect Jumpers J1 and J2 must be installed to connect the 2 to 4 wire convertor. XECOM (1) XE0002D XE0002D Mechanical Specifications Inches Min Max 1.235 1.265 0.985 1.015 0.490 0.510 0.890 0.910 0.890 0.910 0.125 0.040 0.060 0.165 0.185 0.090 0.110 0.020 0.025 Millimeters Min Max 31.37 32.13 25.02 25.78 12.45 12.95 22.61 23.11 22.61 23.11 3.18 1.02 1.52 4.19 4.70 2.29 2.79 0.51 0.64 Dim A B C D E F G H J K XE0002D Pin Configuration VDD VCC /RI RCVR XMIT XFMR T1 OH Gnd T2 1 2 3 4 5 6 7 8 9 10 20 (Top View) 17 RING TIP 14 13 12 11 N/C N/C N/C N/C XECOM (2) XE0002D XE0002D Pin Descriptions Pin 1 2 3 4 5 6 Name VDD VCC /RI RCVR XMIT XFMR Description VDD supplies -5 Volt power to the XE0002D’s 2 to 4 wire converter. VCC supplies +5 Volts power to the XE0002D Ring Indicate, output, active low, TTL. /RI indicates the XE0002D is receiving a ring signal. /RI remains low for the duration of each ring. RCVR acts as the analog output from the XE0002D’s 2 to 4 wire converter. Signals pass from the telephone line to the host via RCVR XMIT provides the analog input to the XE0002D’s 2 to 4 wire converter. Signals placed on XMIT are sent out onto the telephone line. XFMR is provided to connect the internal 2 to 4 wire converter to the telephone line transformer. A jumper is required from XFMR to T1 whenever the 2 to 4 wire circuit is required. T1 is one of two direct connections to the internal telephone line transformer. T1 must be connected to the XE0002D XFMR lead to use the internal 2 to 4 wire converter. If the 2 to 4 wire converter is not required, Signals for the telephone line can be passed across T1 and T2. Hookswitch relay control. A high on OH closes the internal relay and connects the equipment to the telephone line. Gnd provides the ground reference connection to the XE0002D. T2 is one of two direct connections to the internal telephone line transformer. T2 must be connected to Ground to use the internal 2 to 4 wire converter. If the 2 to 4 wire converter is not required, Signals for the telephone line can be passed across T1 and T2. No Connection 7 T1 8 9 10 OH Gnd T2 11-14 17 Ring Ring is one wire of the two-wire telephone line connection (RJ11 Pin 4). FCC Part 68 Rules require a 1500 volt isolation barrier between the telephone line and all other circuits. This isolation must be preserved throughout the system. Xecom recommends 0.100 inch spacing between traces connected to Ring and all other conductors to preserve this isolation Tip is one wire of the two-wire telephone line connection (RJ11 Pin 3). The telephone company places a DC "Battery" voltage across Tip and Ring on all public switched telephone lines. The XE0002D accept this line battery voltage without regard to its polarity. 20 Tip XECOM (3) XE0002D XE0002D Electrical Specifications Parameter Power Supply ...

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