OBU-102 Series

2-channel optical fiber bypass units

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Evaluation units available for online purchase
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 Features and Benefits

  • Supports Fast, Gigabit and 10 Gigabit Ethernet fiber connections in SC/ST/LC connectors
  • Redundant dual 12/24/48 VDC power inputs 
  • IP30 metal housing
  • -20 to 70°C operating temperature range
  • DIN-Rail mounting ability
  • Ultra low power consumption 0.72 W                                               OBU-102: Learn More                                                                                                                                        

 Introduction

Moxa’s OBU-102 fiber optical bypass units add bypass relay functionality to any network node. In linear topologies, a single power outage or node failure can take out an entire chunk of the network, because communications to all the network nodes further down the line are also cut. With relay bypass, that node is instead simply bypassed in the event of a failure, and the rest of the network is unaffected.
The OBU-102 sits between a node and the network to add bypass relay functionality to any network switches that do not already support this important function. In normal operations, the OBU-102 simply acts as a gateway that forwards network traffic to and from the network switch. However, if power is lost, the OBU-102 will bypass the unpowered switch and simply pass network traffic to the next switch in the relay.

OBU-102 bypasses the inactive switch and forwards traffic

Bypass Properties
Optical Switching Time Max. 10 ms
Insertion Loss Max. 1.6 dB
Interface
Fiber Ports 100M/1G/10G fiber in SC/ST/LC connector, single mode
Rotary Switch configure boot delay interval
LED Indicators PWR1, PWR2, STATE
Power Requirements
Input Voltage 12/24/48 VDC redundant dual inputs
Overload Current Protection 1100 mA @ 48 VDC
Connection 2 removable 2-contact terminal block
Reverse Polarity Protection Present
Physical Characteristics
Housing Metal, IP30 protection
Dimensions 53.6 x 135 x 105 mm (2.11 x 5.31 x 4.13 in)
Weight 700 g
Installation DIN-Rail mounting, wall mounting (with optional kit)
Environmental Limits
Operating Temperature -20 to 70°C (-4 to 158°F)
Storage Temperature -40 to 85°C (-40 to 185°F)
Ambient Relative Humidity 5 to 95% (non-condensing)
Standards and Certifications
Safety UL 508 (Pending)
EMI FCC Part 15 Subpart B Class A, EN 55022 Class A
EMS EN 61000-4-2 (ESD) Level 3, EN 61000-4-3 (RS) Level 3,
EN 61000-4-4 (EFT) Level 3, EN 61000-4-5 (Surge) Level 3,
EN 61000-4-6 (CS) Level 3, EN 61000-4-8, EN 61000-4-11
Shock IEC 60068-2-27
Freefall IEC 60068-2-32
Vibration IEC 60068-2-6
Note Please check Moxa’s website for the most up-to-date certification status.
Warranty
Warranty Period 2 years
Details See www.moxa.com/warranty

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Available Models

  Model No. Description
OBU-102-SS-SC 2-channel optical fiber bypass unit with 4 single-mode ports, SC, -20 to 70°C operating temperature
OBU-102-SS-ST 2-channel optical fiber bypass unit with 4 single-mode ports, ST, -20 to 70°C operating temperature
OBU-102-SS-LC 2-channel optical fiber bypass unit with 4 single-mode ports, LC, -20 to 70°C operating temperature

     
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