— 49 —
SPECIFICATIONS
MEASUREMENT CONDITIONS
1. Standard Voltage:
Portable Unit
DC 3.8 V
±
0.025 V
Base Unit
AC 120 V
±
3 V 60 Hz
2. Temperature:
25 °C
±
5 °C
3. Channel:
CH
Portable (TX Frequency)
Base (TX Frequency)
1
904.052470 MHz
925.997470 MHz
2
902.102465 MHz
926.047470 MHz
3
902.152465 MHz
926.097470 MHz
4
902.202465 MHz
926.147470 MHz
5
902.252465 MHz
926.197469 MHz
6
902.302465 MHz
926.247469 MHz
7
902.352465 MHz
926.297469 MHz
8
902.402465 MHz
926.347469 MHz
9
902.452465 MHz
926.397469 MHz
10
902.502466 MHz
926.447469 MHz
11
902.552466 MHz
926.497469 MHz
12
902.602466 MHz
926.547469 MHz
13
902.652466 MHz
926.597469 MHz
14
902.702466 MHz
926.647468 MHz
15
902.752466 MHz
926.697468 MHz
16
902.802466 MHz
926.747468 MHz
17
902.852467 MHz
926.797468 MHz
18
902.902467 MHz
926.847468 MHz
19
902.952467 MHz
926.897468 MHz
20
903.002467 MHz
926.947468 MHz
21
903.052467 MHz
926.997467 MHz
22
903.102467 MHz
927.047467 MHz
23
903.152467 MHz
927.097467 MHz
24
903.202468 MHz
927.147467 MHz
25
903.252468 MHz
927.197467 MHz
26
903.302468 MHz
927.247467 MHz
27
903.352468 MHz
927.297467 MHz
28
903.402468 MHz
927.347466 MHz
29
903.452468 MHz
927.397466 MHz
30
903.502468 MHz
927.447466 MHz
31
903.552468 MHz
927.497466 MHz
32
903.602469 MHz
927.547466 MHz
33
903.652469 MHz
927.597466 MHz
34
903.702469 MHz
927.647466 MHz
35
903.752469 MHz
927.697466 MHz
36
903.802469 MHz
927.747465 MHz
37
903.852469 MHz
927.797465 MHz
38
903.902469 MHz
927.847465 MHz
39
903.952470 MHz
927.897465 MHz
40
904.002470 MHz
927.947465 MHz
4. Telephone Line Voltage/Load:
DC 48 V
±
2 V/600 ohms
5. Ring Frequency:
20 Hz
6. Ring Duration:
2 Sec ON, 4 Sec OFF
7. Standard Deviation:
1 kHz
±
8.0 kHz Dev.
8. Secure Code:
65536 Combination
9. Method of Measurement:
According to EIA Standard, RS-316A
10. Portable RX Load:
150 ohms
11. Base Speaker Load:
32 ohms
Summary of Contents for FT-8981
Page 1: ...SERVICE MANUAL PUBLISHED IN JAPAN May 2001 FILE NO 2B0 200104 FT 8981 CORDLESS TELEPHONE ...
Page 9: ... 8 BLOCK DIAGRAMS Base Unit ...
Page 10: ... 9 Handset ...
Page 12: ...Handset 12 13 FT8981 Sche p65 01 05 25 13 21 Page 9 Adobe PageMaker 6 5J Win ...
Page 27: ... 28 ELECTRICAL PARTS LOCATION Base Unit Main PCB ...
Page 28: ... 29 Handset Main PCB ...
Page 29: ... 30 WIRING DIAGRAMS Base Unit ...
Page 30: ... 31 Handset ...