Cisco GLC-BX-D and GLC-BX-U SFP Pair 20km

Description

Cisco GLC-BX-D and GLC-BX-U are 1000BASE-BX10 bidirectional (BiDi) SFP transceivers used for Gigabit Ethernet over a single strand of single-mode fiber (SMF).

• GLC‑BX‑D (Downstream): Transmits at 1490 nm, receives at 1310 nm

• GLC‑BX‑U (Upstream): Transmits at 1310 nm, receives at 1490 nm

   

  Feature	Specification

  Data Rate

  Up to 1 Gbps (1000BASE)

  Fibre Type

  Single‑Mode Fiber (SMF)

  Distance

  ~10 km (typical commercial module)to 20 km for extended version

  TX/RX Wavelength

  TX = 1490 nm, RX = 1310 nm

  Connector

  LC (simplex)

  Digital Optical Monitoring

  Yes (DOM/DDM per SFF-8472

  Temperature Range

  Commercial (0–70 °C)

  Hot-swappable

  Yes

  Safety Rating

  Laser Class I compliance

  Power Consumption~1.5 W typical

  Dimensions & Weight~56.5 mm × 13.4 mm × 8.5 mm, ~75 g

  Purpose & Role
  The GLC‑BX‑D is the down‑stream part of a pair used for single‑strand, bidirectional fiber links (BX10). It transmits at 1490 nm and receives at 1310 nm, pairing with a complementary GLC‑BX‑U module to enable full‑duplex Gigabit Ethernet over a single-mode fiber strand

  Call Us or WhatsApp For confirm Pricing and stock availability.