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Items
(T) Headset Audio
check and
confirmation
(U)
EEP-ROM
*
confirmation
Note:
After the measuring, sock up the solder of TP.
* :
PC Setting
() is required beforehand.
The connection of adjustment equipment are as shown in
15.2. Adjustment Standard (Handset)
When connecting the Simulator Equipments for checking, please refer to below.
Note:
(A) - (U) is refered to
16. RF SPECIFICATION
16.1. Base Unit
Item
TX Power
Modulation
Frequency Offset
Frequency Drift
RX Sensitivity
Timing Accuracy
RSSI Level
* : Refer to
Adjustment (Base Unit)
16.2. Handset
Adjustment
Point
1. Link to BASE which is connected to Line Simulator.
-
2. Set line voltage to 48V and line current to 40mA.
3. Input -45dBm/1kHz across Mic terminals on headset cable.
4. Confirm that the level is -16.5dBm ± 5dB and confirm that the distortion level is < 5%
at TEL Line(600
5. Input -20dBm/1kHz to Line I/F.
6. Confirm that the level is -27.5dBm ± 5dB and confirm that the distortion level is < 5%
at Receiver(Volume Middle,150
(SP terminals on headset cable is load of 150
1. EEP-ROM Confirmation (Execute the command "Chk151ALRv03.bat").
-
2. Confirm the returned check sum Value (check sum is 7534 ).
ADJUSTMENTS (HANDSET)
Value
20 dBm ~ 25 dBm
360 kHz/div ~ 380 kHz/
div
-45 kHz ~ +45 kHz
< ± 30 kHz / ms
< 1000 ppm
< ± 2.0 ppm
0x1B hex ± A hex
()
Procedure
Road).
Road).
Adjustment Standard (Handset)
()
Refer to -. *
Adjustment (Base Unit)
Adjustment (Base Unit)
Adjustment (Base Unit)
Adjustment (Base Unit)
Adjustment (Base Unit)
Adjustment (Base Unit)
Adjustment (Base Unit)
64
)
(I)
Data type: Fig31
(J)
(K)
(L)
(M)
(N)
(O)
().
Remarks
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