Simultaneous Voice And Data Transmission-Pri - NEC NEAX 2400 IPX Programming Manual

SIMULTANEOUS VOICE AND DATA TRANSMISSION-PRI

S-86 SIMULTANEOUS VOICE AND DATA TRANSMISSION-PRI
1. General Description
This feature is provided by NEC's proprietary digital D
voice signal and a data signal of up to 56 kbps can be transmitted simultaneously over the same wire. Voice and
data calls can be placed to different locations via PRI.
2. Operating Procedure
To place a voice communication.
1. Go off-hook or press the D
2. The Prime Line LED flashes and Dial Tone is received. If the "SPEAKER" key is used, the SPEAKER LED
will illuminate steadily.
3. Dial a voice extension of the distant PBX.
4. When the called party answers, voice communication can begin.
To initiate a data call while the voice communication is in progress:
1. While a voice communication is progress, user 'A' presses the "DTX" key.
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2. On user A's D
D DTE XXXX
(Time Display)
3. When user 'B' answers, both parties 'DATA LED's illuminate steadily, both LCDs display:
RDY D DTE XXXX
(Time Display)
communication can begin.
4. The voice communication is not interrupted during this process. After five seconds, the voice call display
returns.
The "DISP/AUTO" key may be pressed to return the following displays
RDY D DTE XXXX
(Time Display)
To place a data call to a different location or while voice communication is not in progress:
1. Press the "DATA" key on the D
2. Use the keypad to dial the desired DTE extension.
("XXXX" refers to the called extension number).
3. The DATA LED will flash and,
4. When the called DTE answers, the display is changed as follows:
RDY D DTE XXXX
(Time Display)
5. Data communication can begin.
CHAPTER 5
Page 144
Revision 1.0
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's "SPEAKER" key.
, the DTX LED illuminates, the DATA LED flashes and the LCD is displayed as
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for D Series III or
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for D Series III or
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. The LED above the key will illuminate and "D" will appear on the LCD.
D DTE XXXX
(Time Display)
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for D Series III or
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family of terminal equipment. A 64 kbps digital
READY D DTE XXXX
(Time Display)
READY D DTE XXXX
(Time Display)
D XXXX
(Time Display)
will appear (flashing) on the LCD.
READY D DTE XXXX
(Time Display)
NDA-24305
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for D Series E, and data
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for D Series E.
will appear on the display.
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for D Series E