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BASE UNIT
RECEIVER
1. Sensitivity 12 dB SINAD (with CCITT Filter)
2. Frequency Response (Ref: 1 kHz)
3. Distortion at 1 mV RF Input
4. S/N ratio at 1 mV RF Input (with CCITT Filter)
5. Selectivity (NQ20dB)
6. Image Rejection Ratio (SINAD 12dB with CCITT Filter)
7. Telline Output Level (600 Ω load)
8. Ringer level at 30cm from Speaker (Bell input: Volume Hi)
(Ringer Frequency: 1000 Hz + 500 Hz)
TRANSMITTER
1. RF Power (50 Ω Load)
2. Modulation Sensitivity Telline Input
3. Frequency Response (Ref: 1 kHz)
4. TX Frequency Tolerance (25 °C)
5. Code Deviation
6. Distortion
7. S/N Ratio (with CCITT Filter )
TELEPHONE LINE
1. Off-hook Impedance (at 1 kHz)
2. Off-hook DC Resistance (DC 40.0 mA)
3. On-hook Impedance (at 20 Hz, 75 Vrms)
4. Minimum Ringer Input Level (at 20 Hz)
TELEPHONE DIAL UNIT
1. Pulse Dialing
a. Dialing Rate
b. Make Ratio
2. DTMF Dialing (600 Ω load)
a. DTMF Frequency
b. Signal Level of Dual Tone
c. Signal Length
d. Interdigital Pause
e. Minimum Level of Single Tone
0.3 kHz
3.0 kHz
6 dB Bandwidth −
6 dB Bandwidth +
1st Image (f0 −10.555 MHz × 2)
2nd Image (f0 −455 KHz × 2)
0.3 kHz (input)
3.0 kHz (input)
Row 1
Row 2
Row 3
Row 4
Column 1
Column 2
Column 3
Low Group
High Group
— 57 —
Unit
Nominal
−115
dBm
dB
0.0
−2.0
dB
%
1.5
dB
75
kHz
15
kHz
15
dB
35
dB
55
−11.0
dBm
dBspl
85
−5.0
dBm
−10.5
dBm
−4.0
dB
dB
+2.0
Hz
0.0
kHz
9.0
%
1.5
dB
40
ohm
1000
ohm
230
kohm
25
Vrms
30
pps
10
%
39
Hz
697
Hz
770
Hz
852
Hz
941
Hz
1209
Hz
1336
Hz
1477
−2.0
dBm
mSec
120
mSec
120
−6.0
dBm
−4.0
dBm
Limit
< −107
−4.0 ~ +4.0
−6.0 ~ +2.0
< 5.0
55 <
10 <
10 <
30 <
30 <
−14.0 ~ −8.0
75 <
−8.0 ~ −2.0
−14.5 ~ −6.5
−8.0 ~ +0.0
−2.0 ~ +6.0
< ±2500
< 12.0
< 5.0
30 <
500 ~ 1500
100 ~ 300
10 <
< 40
8 ~ 11
36 ~ 42
687 ~ 707
759 ~ 781
840 ~ 864
927 ~ 955
1191 ~ 1227
1316 ~ 1356
1455 ~ 1499
< 0.0
90 <
90 <
−10.0 <
−8.0 <
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