ABB TB840A 3BSE037760R1 Fiber Optic Trunking Modem

FAQ

• Q1: What types of fiber does this modem support?
  A1: Supports both single-mode and multi-mode fibers, compatible with 9/125 μm and 50/125 μm standard fibers.

• Q2: What is the maximum transmission distance?
  A2: Up to 20 km for single-mode fiber and 2 km for multi-mode fiber, depending on environment and fiber quality.

• Q3: Can it be hot-swapped?
  A3: Supports quick DIN rail installation, but fiber interfaces should not be plugged/unplugged under powered conditions.

• Q4: Which industrial protocols are supported?
  A4: Supports IEC 61850, Modbus, DNP3, and other common industrial protocols.

• Q5: What is the operating temperature range?
  A5: The operating range is -20°C to +60°C.

• Q6: How to monitor link status?
  A6: LEDs on the module indicate power, link status, and faults; detailed information can be obtained via remote management software.

• Q7: Does it support redundancy?
  A7: Supports redundant fiber ring network, automatically switching communication path in case of a single point failure.

• Q8: What is the approximate power consumption?
  A8: 3 W during normal operation.

3BSE037760R1 ABB ABB TB840A 3BSE037760R1 Fiber Optic Trunking Modem TB840A

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