NEC Univerge sv8500 Manual page 661

FUNCTION
Number of lines
Supply Voltage
Loop Resistance
Distance to terminal
Supply Current
Ringing Voltage
Ringing Frequency
Connectable Terminal
Selection Signal
BNW
PAD Control
(for voice transmission)
FAX PAD (for data transmis-
sion as voice data)
Stutter Dial Tone
Caller ID (Only for North
America)
Momentary Open
Ground Button Detection
A-wire Ground Defection/
Protection
Howler Tone
Switch Hook Flash
Detection
Timed Break Signal Detec-
tion
Message Waiting
Lamp
Echo Canceller
Echo Canceller Training
Tone sending
Smooth PAD
MC Specifications (Analog Interface/Function)
SPECIFICATION
One line
-38V (min)
Maximum of 600 Ω
Maximum of 600 m
33 mA (600 Ω)
63 Vrms
20 Hz or 25 Hz
1/line
DTMF only
600Ω (Default setting)
-10dB ~ +20dB (1dB step)
0dB ~ +20dB (1dB step)
FAX PAD value is added to Voice PAD. The sum
of FAX PAD and Voice PAD is limited to 20dB.
Supported
Not supported
Supported
Not Supported
Supported
PCM Howler Tone
Supported
Supported for Australia only
Not supported
G.168/G165 (NLP function available)
Supported
→
Supported LAN analog only
VOL.2-408
MCMG Card [SCA-7COTA]
NOTE
RJ-11 Modular Jack 1 Port
(The port is connected to a C.O.Line if
PFT is activated) Note 1
Including the terminal resistance
Constant current
Balance Ringing
Select either of the frequencies (Default =
20 Hz)
Multi-connection is not available.
DP is not supported
Available for North America, Australia,
China, and Brazil.
→
Default value: analog LAN = 0 dB
→
LAN analog = 0 dB
→
Default value: analog LAN = 0 dB
→
LAN analog = 3 dB
Selectable
One-digit hooking is not available
Tail Length is 64 milliseconds
Selectable
Default value: 1 = Threshold +2.0dBm