SH-G277

Rail-mounted Fiber Optic to Serial Converter 1*100M Fiber Ports to RS-232/485/422 Auto-Sensed Ports

Feature
  • Dual RS-485 Channels (1 RS-422) + 1 RS-232 Channel
  • Adaptive Single-Mode Fiber Optic Support
  • Zero-Latency Automatic Data Forwarding
  • Asynchronous Transmission for Point-to-Multipoint Applications with RS-485 to Fiber Conversion
  • Auto-Detection of Serial Port Speed, Data Direction Discrimination, and Control
  • Maximum Communication Rate: 0-115.2 Kbps
  • Wide Voltage Input: DC 12-57V with External Power Supply
  • Default SC Optical Interface
  • Operating Wavelength: 1310nm/1550nm
  • Surge Protection: 1500W, ESD Protection: 15KV
  • Communication Distance: Up to 2km (Multi-Mode), 20-120km (Single-Mode)
  • RS-485 Support for 32-Point Polling (128-Point Customizable)
  • Applications: Industrial Automation Control, Access Control, One-Card Systems, Parking Systems, etc.

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Product Detail

Description

The SH-G277 is a high-performance communication device designed to convert RS485, RS422, and RS232 serial signals into optical signals for transmission over fiber optic networks. It provides reliable data transfer with excellent anti-interference capabilities, making it ideal for applications in industrial automation, smart buildings, security monitoring, and other fields.

Order Guide
Model Interface Specification Form Factor
SH-G277S-20-SC 1x 100M dual-fiber SC optical port (20KM, 1310nm) to 1x RS-485/232/422 adaptive interface (3-in-1) Rail-mounted
SH-G277S-20-FC 1x 100M dual-fiber FC optical port (20KM, 1310nm) to 1x RS-485/232/422 adaptive interface (3-in-1) Rail-mounted
SH-G277S-20-ST 1x 100M dual-fiber ST optical port (20KM, 1310nm) to 1x RS-485/232/422 adaptive interface (3-in-1) Rail-mounted
SH-GS277-20A/B-SC 1x 100M single-fiber SC optical port (20KM, 1310/1550nm) to 1x RS-485/232/422 adaptive interface (3-in-1) Rail-mounted
SH-GS277-20A/B-FC 1x 100M single-fiber FC optical port (20KM, 1310/1550nm) to 1x RS-485/232/422 adaptive interface (3-in-1) Rail-mounted
SH-GS277-20A/B-ST 1x 100M single-fiber ST optical port (20KM, 1310/1550nm) to 1x RS-485/232/422 adaptive interface (3-in-1) Rail-mounted
RS-485 Data Characteristics
Parameter Specification
RS-485 Signals T+, T-, R+, R-
Fiber Optic Signals IN, OUT
Operation Mode Asynchronous, Point-to-Point
Direction Control Automatic data flow control technology, automatically discriminates and controls data transmission direction
Baud Rate 0-115,200 Kbps, Auto-detects signal rate
Fiber Optic Wavelength 1310nm/1550nm
Electrical Port Transmission Distance 1000 meters for RS-485 port
Optical Port Transmission Distance 20-120 kilometers for single-mode
Interface Protection 600W Surge Protection, 1500V ESD Protection
Load Capacity RS-485 port supports 32 nodes
Electrical Port Type 7-pin Terminal Block
RS-232 Data Characteristics
Parameter Specification
Application Scenarios Supports multi-channel data, compatible with all control keyboards, matrix protocols, hard disk recording PTZ, alarm composite data, industrial application transmission
Physical Interface Industrial terminal block (standard), RJ45 (customizable)
Data Rate DC-250 Kbps
Data Error Rate Less than 10E-12
Maximum Number of Nodes 32
Maximum Distance 1200m
Electrical Port Transmission Distance 1000 meters for RS-485 port
Optical Port Transmission Distance 20-120 kilometers for single-mode
Data Protocol Fully transparent support for any RS-232 protocol, including RS-232 polling or Modbus protocol
Network Connection Mode Supports bidirectional full-duplex
Physical Interface Terminal Industrial terminal block
Environmental Specifications
Parameter Specification
Operating Temperature -30°C to 75°C
Storage Temperature -40°C to 85°C
Relative Humidity 5% to 95%
Weight 1KG
Input Power Wide range: AC220V/DC12-57V
Power Consumption 12W

Quality Certifications

additional information

Model

SH-G277S-20-SC, SH-G277S-20-FC, SH-G277S-20-ST, SH-GS277-20A/B-SC, SH-GS277-20A/B-FC, SH-GS277-20A/B-ST

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