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ISDN 7506 Display Terminal
ISDN 7507 DISPLAY TERMINAL
Volume
1
23
456
78
9
ABC DEF
MNOJKLGHI
PRS TUV WXY
*
O
#
Oper
Conference
Drop
Transfer
Hold
Speaker
Select
Mute
Message
CONFERENCE/
Ring
Test
ISDN
7507
DROP/TEST
DISPLAY
TRANSFER/
HOLD
Clock
SPEAKER
MESSAGE
VOLUME
CONTROL
DIAL PAD
MUTE
SELECT
BUTTON
LINE JACK
(ON BACK OF
STAND)
DISPLAY
CONTRAST
CONTROL
SPEAKERPHONE/
HEADSET
ADAPTER JACK
(IN WELL
DATA/SEND/OFF BUTTON
BUTTON (USED
9 FEATURE
BUTTONS
HANDSET
CORD
HANDSET
31 CALL
APPEARANCE/
FEATURE
BUTTONS
(UNDER
JACK
Redial
BUTTON
REDIAL
CLOCK
BUTTON
BUTTON
UNDER BASE)
BASE)
RING BUTTON
BUTTON
BUTTON
BUTTON
LIGHT
BUTTON
WITH OPTIONAL ADM)
FIGURE 3-17. The 7507 Asynchronous Data Modular Display Terminal
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