3A's Loopbacks are designed for testing, engineering and the burn-in stage of boards or other equipment. They provide system test engineers a simple but effective way of testing the transmission capability and receive sensitivity of network equipment. One connector is plugged into output port, while the other is plugged into the input port of the equipment.
Fiber Optic Communications, Inc.
Tel : +886-2-2914-8137
Fax: +886-2-2914-8038
sales3a@triplea.com.tw
Loopback attenuator
Features
  • Fiber Channel, Gigabit Ethernet, ATM Compatible.
  • Variable attenuation levels available.
  • Low Insertion Loss
  • Available in both Singlemode and Multimode versions at the most popular core diameters.
Application
  • DWDM Systems
  • Analog or Digital CATV
  • Other highly amplified systems
  • LAN
  • Test Equipment
  • Multi-Channel
ITEM
Specification
Attenuation
Unit
1 ~2 dB
3 dB
4 dB
5 ~ 10 dB
11 ~ 30 dB
Tolerance
dB
¡Ó0.5
¡Ó0.6
¡Ó0.8
¡Ó1.2
¡Ó10%

Band Pass
Narrow Band
nm
¡Ó20
Wide Band
nm
¡Ó40
Return Loss
dB
PC(<45), SPC(<50), UPC(<55), APC(<60)
Fiber Type
Attenuation Fiber
Operating Temperature
¢J
-40 to +75
Storage Temperature
¢J
-55 to +85
Optical Power
mW
250
3A reserves the right to modify products and specifications without prior notice.