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China Unicom Fiber Optic Router Parameter Table

China Unicom Fiber Optic Router Parameter Table

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China Unicom fiber optic routers support multiple fiber types, Ethernet ports, duplex modes, and standard networking protocols, with configurable RS-232/RS-485 interfaces.

Key Parameters

ParameterSpecification
Fiber Port Types50/125µm, 62.5/125µm, 100/140µm ST-terminated cables
Wavelength820 nm
Ethernet Ports4 or 7 10/100 Mbps LAN ports, 1 10/100 Mbps WAN port (Auto MDIX, N-way Auto Negotiation)
RS-232 Port9-pin DB connector, configurable DTE/DCE
RS-485 Port2-wire or 4-wire, supports full and half duplex
Duplex ModeFull duplex (simultaneous send/receive), Half duplex (time-delayed transmit)
Supported ProtocolsNAT, PPPoE, DHCP Client/Server, IGMP v1/v2, DNS, TFTP firmware upgrade
Management InterfaceWeb-based management, LED indicators for LAN/WAN status
Advanced FeaturesVirtual server, one-touch default reset, dynamic/static DNS routing
Standards ComplianceIEEE 802.3, IEEE 802.3u, IEEE 802.3x
Power Supply9V DC adapter (check model-specific requirements)
Error IndicatorsERR light for illegal RS-232/fiber conditions, CTRL light for RS-485 direction in half duplex

Notes on Configuration

  • RS-232/RS-485: DTE/DCE selection determines transmit/receive pin assignments; full duplex requires 4-wire RS-485, half duplex requires 2-wire with automatic control and timing delay to prevent collisions .
  • Fiber Connections: Ensure correct fiber type and ST termination; ERR light indicates line issues or software lockup .
  • Ethernet Management: Auto MDIX allows direct connection to PCs without crossover cables; web interface provides configuration for NAT, DHCP, and virtual servers .
  • Firmware: Upgradeable via TFTP; always use firmware matching the hardware revision to avoid operational issues . This table consolidates the main technical specifications for China Unicom fiber optic routers, including the UNICOM-2500 and Micro-Router series, providing a reference for installation, configuration, and troubleshooting. For detailed model-specific parameters, consult the official router manuals or datasheets .
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