AMT/PTD/TR/0001/3/7/EN
Installation Manual for digital sets - IP sets - SIP sets
Page
6-14 05/2008
M7xx and I7xx set options
6.6.4.2.2.3External ringing output connector
6.6.5
Electrical characteristics
MODEM access:
•
output level: 150 mV RMS typ. with 3% distortion
•
output impedance: 790 Ohms typ.
•
DC open-circuit voltage: 9.0 V typ.
•
max. available DC current: 10 mA typ.
Audio access:
•
output level: 170 mV RMS typ. with 3% distortion
•
output impedance: 2 kOhms typ. at 1 kHz frequency
External ringing:
•
Operating range of the ringing access: 0.5 to 12 mA,
•
Maximum voltage 18V (the voltage is supplied by an external system, e.g. a SLAT T524 relay).
6.7
Display speed acceleration
6.7.1
M7xx range sets
Display speed acceleration is supported by sets in the M7xx range.
Three conditions are required to implement it:
•
sets in the M7xx range,
•
a system running at least release R1.3,
•
a cabinet equipped with cards that are adapted for display speed acceleration.
Refer to the product catalogue to identify the display speed acceleration variants for the cards in
question.
6.7.2
i7xx range sets
Display speed acceleration is a basic function on the i7xx range sets.
/UTPUTCOMMANDHOTPOINT
.OCONNECTED
.OCONNECTED
0OINTOF*OUTPUTCOMMANDNEGATIVEPOINT
$AUGHTERCARD
#ONNECTOR
*
([WHUQDOULQJLQJRXWSXWFRQQHFWRU
Содержание M720
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Страница 336: ...AMT PTD TR 0001 3 7 EN Installation Manual for digital sets IP sets SIP sets Page 15 2 05 2008 Maintenance...
Страница 352: ...AMT PTD TR 0001 3 7 EN Installation Manual Digital sets IP Sets SIP Sets Page 16 16 05 2008 Appendix...