Product Highlights 1.25 Gigabit Single-mode SFP Transceiver Module 10km transmission distance Wavelength TX: 1550 / RX: 1310 Single-mode Bi-directional SFP LC Simplex Connector Operating temperature 0°C~70°C (32°F~158°F) / -40°C~85°C (-40°F~185°F) Overview GBM-123RS is a 1.25 Gigabit Single-mode bi-directional, Simplex connector SFP module with 10km transmission length at wavelength TX: 1550 / RX: 1310. It has an operating temperature of 0°C~70°C (32°F~158°F) / -40°C~85°C (-40°F~185°F) depending on request. Features Compliant with Fiber Channel 100-SM-LC-L standard Compliant with IEEE802.3z Gigabit Ethernet standard Industry standard small form pluggable (SFP) package Simplex LC (Lucent Connector) Differential LVPECL (Low-Voltage Positive Emitter-Coupled Logic) inputs and outputs Single 3.3V power supply TTL (Transistor–Transistor Logic) signal detect indicator Hot pluggable Class 1 laser product Specifications Model Name Distance Wavelength TX Power RX Sens Voltage Connector Type Operating Temp. GBM-123RS 10Km TX:1550 / RX:1310 -3dBm ~ -9dBm < -21dBm 3.3V Simplex LC 0°C~70°C / 32°F~158°F GBM-123IRS -40°C~85°C / -40°F~185°F Ordering Information Model Description GBM-123RS 1000Base-LX, Bi-Di SFP TX: 1550 / RX: 1310 Single Mode, 10Km, 0°C~70°C / 32°F~158°F GBM-123IRS 1000Base-LX, Bi-Di SFP TX: 1550 / RX: 1310 Single Mode, 10Km, with wide temperature -40°C~85°C / -40°F~185°F ROHS CE FC certified Technical Specifications Model: GBM-123RS Transmission Distance: 10Km Wavelength: TX: 1550nm / RX: 1310nm TX Power: -3dBm ~ -9dBm RX Sensitivity: < -21dBm Voltage: 3.3V Connector Type: Simplex LC Operating Temperature: 0°C~70°C / 32°F~158°F (GBM-123RS), -40°C~85°C / -40°F~185°F (GBM-123IRS) Compliant with Fiber Channel 100-SM-LC-L and IEEE802.3z Gigabit Ethernet standards Industry standard SFP package, hot pluggable Class 1 laser product Single 3.3V power supply TTL signal detect indicator Differential LVPECL inputs and outputs ROHS, CE, FC certified