SFP-GIG-BX-D20 Alcatel-Lucent Enterprise Compatible 1000BASE-BX20 BiDi SFP

NOKIA (Alcatel)
SFP
1.25G
BiDi
20 km
Nokia (Alcatel-Lucent) SFP-GIG-BX-D20 compatible 1G BIDI SFP 20km Module

NOKIA (Alcatel) compatible SFP-GIG-BX-D20 - Key Features

  • Compatibility: NOKIA (Alcatel)
  • Media Type: Single-Mode Fiber (SMF)
  • Fiber Count: BiDi
  • Connector: Single LC/UPC
  • Maximum Distance: 20 km
  • Average Link Budget: 15 dB
  • Tx Wavelength: 1490 nm
  • Supported Data Rate: 1.063 Gbps - 1.25 Gbps
  • DDM/DOM: Supported
  • Temperature Range: Standard 0°-70°C

NOKIA (Alcatel) SFP-GIG-BX-D20 Price

Lead timeIn Stock - Ships Next Business Day
Standard recommended retail price ex VAT:
5.81
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NOKIA (Alcatel) compatible SFP-GIG-BX-D20 Specifications

Form Factor
SFP
Media Type
Single-Mode Fiber (SMF)
Fiber Count
BiDi
Connector
Single LC/UPC
Maximum Distance
20 km
Average Link Budget
15 dB
TX Wavelength
1490 nm
RX Wavelength
1310 nm
Supported Data Rate
1.063 Gbps - 1.25 Gbps
Supported Ethernet Applications
Gigabit Ethernet (1.25 Gbps)
Supported Fiber Channel Applications
1G Fiber Channel (1.0625 Gbps)
DDM/DOM
Supported
Tx Wavelength Bandwidth
40 nm (1470-1510 nm)
Rx Wavelength Bandwidth
40 nm (1290-1330 nm)
Minimum Transmitting Power
-9 dBm
Maximum Transmitting Power
3 dBm
Receiver Sensitivity
-22 dBm
Receiver Overload
-3 dBm
Dispersion
430-500 ps/nm ps/nm
Transmitter Type
DFB Laser
Receiver Type
PIN photodiode
Temperature Range
Standard 0°-70°C
Power
+3.3V single power supply
Compliance
CE, Class 1 FDA and IEC60825-1 Laser Safety Compliant, RoHS, INF-8074i, SFP MSA

NOKIA (Alcatel) compatible SFP-GIG-BX-D20 Datasheet

v5

Complete technical specifications and product details

Updated:Aug 6, 2026Format:PDF

NOKIA (Alcatel) compatible SFP-GIG-BX-D20 Description

EdgeOptic's SFP-GIG-BX-D20 compatible is an Alcatel-Lucent Enterprise-coded version of the EdgeOptic BiDi-1.25G-SFP-21-BD multi-vendor 1000BASE-BX single-fiber BiDi SFP transceiver. ALE's OmniSwitch transceivers guides classify SFP-GIG-BX-D20 as 1000BASE-BX20, ALE's own 20 km reach label, matching the EdgeOptic module's 20 km reach and 15 dB link budget directly. IEEE 802.3ah defines only the 10 km BX10 class; 1000BASE-BX20 is ALE's own vendor label, not an IEEE clause number.

On the wire, the D20 side transmits at 1490 nm and receives at 1310 nm over a single strand of single mode fiber, using a DFB laser and a PIN photodiode. Transmit power runs −9 to 3 dBm, receive sensitivity is −22 dBm, and the overload point is −3 dBm, yielding the 15 dB link budget. Guaranteed bandwidth is 1470 to 1510 nm on transmit and 1290 to 1330 nm on receive, with dispersion tolerance of 430 to 500 ps/nm. Operating range is 0 to 70°C at 3.3V, with DDM per SFF-8472.

SFP-GIG-BX-D20 pairs at the far end with SFP-GIG-BX-U20, not the base SFP-GIG-BX-U code. EdgeOptic sells the matching SFP-GIG-BX-U20 compatible for the opposite end of the link. SFP-GIG-BX-D20 belongs to ALE's 1G Gigabit Ethernet BiDi family; ALE's 10G BiDi optics use different vendor part numbers, so a bill of materials calling for a 10G BX D20 module does not match this SKU. Connector type is LC, with CE, RoHS and Class 1 laser safety compliance per FDA/IEC 60825-1. Backed by 15+ years of EdgeOptic compatibility engineering across vendor optical platforms, the compatible ships with a lifetime warranty. For project-quantity pricing or alternative vendor coding, contact our sales team.

Frequently Asked Questions

Is the SFP-GIG-BX-D20 a 10 km or a 20 km module?

ALE's own OmniSwitch transceivers guides classify SFP-GIG-BX-D20 under Connections Supported as 1000BASE-BX20, ALE's 20 km reach class label. This module reaches 20 km with a 15 dB link budget, matching ALE's own classification exactly.

Which far-end module pairs with the SFP-GIG-BX-D20?

ALE documents SFP-GIG-BX-D20 as pairing with SFP-GIG-BX-U20 at the far end, not the base SFP-GIG-BX-U code. EdgeOptic sells the matching SFP-GIG-BX-U20 compatible for the opposite end of the link.

Is the SFP-GIG-BX-D20 a 1G or 10G module?

SFP-GIG-BX-D20 is part of ALE's 1G Gigabit Ethernet BiDi family; the module operates at a maximum data rate of 1.25 Gbps. ALE's 10G single-fiber BiDi optics use different vendor part numbers, so a bill of materials calling for a 10G BX D20 module does not match this SKU.