Sun Microsystems SUN-VOA100 Series User manual

English
User’s Manual
SUN-VOA100 Series
Handheld Attenuator
All the trademarks mentioned in this manual are registered property of Sun Telecom.
The right to interpret this manual is reserved by Sun Telecom.

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CONTENTS
1.Overview..................................................................................................2
2.Specification............................................................................................2
3.Standard Accessories.............................................................................3
4．Function ................................................................................................4
5．Operation ............................................................................................10
6. Maintenance .........................................................................................13
7. Troubleshooting...................................................................................14
8. Notices..................................................................................................14
9. Warranty................................................................................................15

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1. Overview
Application
SUN-VOA100 series handheld attenuators are designed to continuously
and variably attenuate the optical signal.
The main application of this unit is for the laser system online test, so it is
applicable for the PDH、SDH which include the communication instrument,
and CATV system.
Function and Features
With built-in neutral density filter, VOA attenuate the optical signal through
the rotating dial on the keypad .The attenuation range is from 2.5-60dB.
2. Specification
Model
SUN-VOA100-H
SUN-VOA100-HB
Calibration Wavelength
(nm)
1310/1490/1550/1625
850/1300
Fiber Type
9/125um SM
62.5/125 (50/125
is option)
Connector
FC/PC (SC/FC/ST interchangeable port is
optional)
Attenuation Range
2.5～60dB
Resolution
0.05dB
Min Insertion Loss
<2.5dB
Linearity
±0.5 dB
Repeatability
±0.2 dB
Overall Attenuation
Acuracy
±0.8 dB

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3. Standard Accessories
1. Main Unit--------------------------------------------------------------------------1
2. Manual----------------------------------------------------------------------------1
3. Rechargeable Battery -------------------------------------------------1
4. Power Adapter -----------------------------------------------------------1
5. Recharger------------------------------------------------------------------------1
6. Cotton Swab---------------------------------------------------------------------1
Back Refletion
> 35 dB（typical value :40 dB）
Max Acceptable Input
+20 dBm
Rechargeable Battery
7.4V
Power Adapter
7～8.5V
Working Temperature
0～40℃
Storage Temperature
-10～60℃
Humidity
0～85%
Weight
450g

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4. Function
4.1Keypad
①“ ”key：Press this key for 2 seconds to turn on/off the unit. Press it shorter
time to activate or deactivate the auto-off function.
②“MENU/ENTER” Key：Menu/confirm。
③“▲”Key：Select the function or value increase。
④“▼”Key：Select the function or value decrease。
⑤“CANCEL”Key：Exit/cancel。
⑥“λ” Key: Switch the wavelength。

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⑦“Rotating Dial”Key：Rotate it clockwise to increase attenuation value,
otherwise decrease the value. The attenuation step is 0.5dB.
4．2 Function
4.2.1Press“ ”key，to turn on the unit. It displays the absolute or relative
attenuation value. Press“ ”key shorter, then the auto-off function is
activated. The unit will auto-shut down after 10 minutes idle time.
Draft1

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Draft2
4.2.2 Press“MENU/ENTER”key，it displays all the settings，press“▲”“▼”to
select the item to be revised ,press “CANCEL”to revert to the previous
menu.
Draft3
① Edit the wavelength
Under the option of “edit the wavelength” ,press “MENU/ENTER”key to
display the status of wavelength :1300/1310/1490/1550/1625nm.

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Draft4-1
Draft4-2
Press“MENU/ENTER”again，change the status of the wavelength. It doesn’t
show the hidden wavelength when switching the wavelength.
Draft5

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②Set “REF”
Under this option, press “MENU/ENTER” key to set reference value.
Draft6
Select the option 1,set the current attenuation value as the reference value.
Press “MENU/ENTER” back to draft 2
Select the option 2, edit the value as the reference value.
Press“▲”“▼”to increase or decrease the value. Press“MENU/ENTER”to
choose the value to be revised. It is back to the draft 2 interface after
you edit.
Draft 7

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③Display the relative /absolute value
Draft 8
Choose to display the absolute value, it is back to draft 1 interface; choose to
display the relative value, it is back to draft 2 interface。
④LCD backlight adjustment
Draft 9
Press “▲”“▼”to adjust the lightness of LCD screen.（draft 9）。