10g-pon-sfp

XGS-PON/XG-PON OLT SFP+ 20km

3C-LINK's XGS-PON/XG-PON OLT SFP+ is a pluggable optical transceiver module designed for low cost P2MP FTTx applications. It employs a 1577nm continuous-mode downlink EML operating at 10Gbps and a 1270nm APD-TIA burst-mode uplink receiver operating at 10Gbps and 2.5Gbps. It is housed in a rugged die cast SFP+ package

XGS-PON/XG-PON OLT SFP+ Transceiver

The 10 Gigabit PON wavelengths (1577 nm down / 1270 nm up) differ from GPON and EPON (1490 nm down /1310 nm up), allowing it to coexist on the same fibre with either of the Gigabit PONs.

Framing is "G-PON like" but uses different wavelengths from G-PON (using a WDM to separate them) so that G-PON subscribers can be upgraded to 10G-PON incrementally while GPON users continue on the original OLT. The G-PON standard is G.98. This compares to the IEEE 802.3av standard for 10G-EPON based on Ethernet, which has standardised upstream rates of both 1Gbps and 10Gbps. The 10 Gigabit PON wavelengths (1577 nm down / 1270 nm up) differ from GPON and EPON (1490 nm down /1310 nm up), allowing it to coexist on the same fibre with either of the Gigabit PONs.

ITU-T Recommendation G.987 is a family that defines this access network standard (referred to as XG-PON). It comprises four recommendations:

  • G.987: 10-Gigabit-capable passive optical network (XG-PON) systems: Definitions, Abbreviations, and Acronyms, 2010.
  • G.987.1: General requirements of 10G-PON systems (approved 2010-01-13). Includes examples of services, user network interfaces (UNIs) and service node interfaces (SNIs), as well as the principal deployment configurations that are requested by network operators.
  • G.987.2: Physical media dependent (PMD) layer specification (approved 2010-01-13, updated 2010-10-07). Describes a flexible optical fibre access network representing an evolutionary development from G.984.2, asymmetric only in the current version.
  • G.987.3: Transmission convergence (TC) specifications (approved 2010-10-07).
  • G.988: ONU management and control interface (OMCI) specification.(approved 2010-10-07)

Features: 

  • Hot-pluggable SFP+ form factor
  • Compliant with SFP+ MSA and ITU-T G.9807.1/G.987.2
  • Support XGS-PON OLT N1/N2/E1 and XG-PON OLT N1/N2/E1 applications
  • 1577nm 9.95328Gbps continuous-mode transmitter with EML laser
  • 1270nm 9.95328Gbps/2.488Gbps burst-mode receiver using APD-TIA
  • Reach up to 20km over single SMF
  • Simplex SC receptacle
  • Low power dissipation
  • Operating case temperature: C-Temp or I-Temp
  • Single 3.3V power supply
  • 2-wire interface for integrated digital diagnostic monitoring
  • RoHS compliant (lead free)

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