Optical Bypass Protection Switch (OBP)

  • Reduce interrupt time
  • Increase network reliability
  • Improve service quality
  • Real-time power monitoring
  • Automatic switching

Click 'Spec Sheet' for all available configurations/part#


Optical Bypass Protection Switching System (OBP) is deployed in each note to protect a cascaded or layered fiber optical network in which one equipment failure will disrupt the network integrity. In cases of power loss, software crash, or hardware failure, OBP automatically reroutes the transmission bypassing the malfunctioned equipment. This is achieved by inserting optical switches between the transmission fibers and real-time monitoring the signal strength through the equipment, it automatically switches to the bypass connections when the signal power value is lower than a user-defined threshold. When the equipment is recovered, the transmission will be automatically restored. Our net-ready OBPs offer various reliable protection schemes against network failures. We uniquely provide fast optical switching to reduce data loss with three choices of optical switching speed:100ns, 100 ms, 10 ms.  Management of the OBP is performed using a Web GUI, reachable through the local Ethernet ports on the OBP system control card.


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 Optical Line Protection Switch        Min Typical Max Unit
Operating Wavelength   1310/1550 ± 50 nm
Insertion Loss [1], [2]     1.2 1.5 dB
Monitoring Power Range        -50 23 dBm
Optical Power Resolution   +- 0.01   dB
Return Loss     45   dB
Cross Talk     55   dB
PDL     0.05 dB
Optical Switching Time 4          100 ns          10 ms    
Repeatability                                                              ±0.05 dB
Noise Figure                                                              30 dB
Durability5            107 Cycle
Power Consumption           3            W
Operating Temperature 0        70 oC
Storage Temperature -40        85 oC
Monitor Port    RJ45, Console, SFP
Working Power DC: 12~48V; AC: 100~240V (50/60 Hz), 50W
Fiber Type SMF-28 or equivalent
Chassis Type 19” Standard Rack, 1 U Dimension (HxWxD)         44.5×482.6x300nm
Relative Humidity                                       5-95%

[1]. Excluding connectors.

[2]. Multimode IL measure @ Light Source CPR<14 dB.

[4]. Optical switch speed, there are electrical signal delay in the system

[5]. Higher reliability switches are available