Allied Telesis AT-QSFPER4 40G QSFP+ ER4 CWDM Single-Mode Optical Transceiver Module (40km, Duplex LC)

Basic Parameter Table

Core Product Features

1.  Allied Telesis ultra-long-reach 40GBASE-ER4 CWDM single-mode QSFP+ optical module, fully plug-and-play compatible with Allied Telesis 40G core enterprise & data center switches.
2. Four-channel CWDM high-power DFB laser design complying with 40GBASE-ER4 standard, transmits 4×10G parallel signals over one pair of OS2 single-mode fiber, supporting stable 40km long-haul transmission.
3. Standard duplex LC dual fiber interface, compatible with common duplex LC single-mode patch cords, no MPO ribbon fiber required.
4. High optical power budget design, suitable for cross-city campus, remote industrial park interconnection with long fiber spans.
5. Built-in full DDM real-time monitoring system: remotely read transmit/receive optical power of each wavelength channel, module internal temperature and supply voltage for centralized long-distance site O&M.
6. Standard QSFP+ hot-swappable packaging, supports online hot plug without shutting down the switch, zero firmware incompatibility alarms on all Allied Telesis 40G switching platforms.
7. Dedicated long-distance backbone solution for multi-campus enterprise networks, cross-region industrial park 40G aggregation and metro access backbone construction.

Application Scenarios

• Multi-campus enterprise cross-city 40km 40G single-mode backbone interconnection
• Cross-region large industrial park long-distance 40G aggregation uplink
• Metro access network remote node long-haul fiber transmission
• Government multi-branch ultra-long-distance core network interconnection upgrade