Cisco ONS-SI-2G-I1 Compatible 2.5G SFP 1310nm 20km Industrial
Transceiver
2.5G SFP 1310nm 20km Industrial Transceiver
This Cisco ONS-SI-2G-I1 Compatible 2.5G SFP 1310nm 20km Industrial SFP transceiver provides 2500Base-LX throughput up to 20km over
single-mode fiber (SMF) using a wavelength of 1310nm via an LC
connector.
Product Features
• Functionally identical to Cisco ONS-SI-2G-I1
• 1310nm DFB laser transmitter and InGaAs PIN receiver
• Single 3.3V power supply
• Support Digital Diagnostic Monitoring Interface
• Low power dissipation
• Metal enclosure provides lower EMI
• ROHS compliant and Lead-Free
General Operating Characteristics
| Parameter | Symbol | Min. | Typ | Max. | Unit | Note |
| Data Rate | DR | | 2.5 | | Gb/s | |
| Supply Voltage | Vcc | 3.13 | 3.3 | 3.47 | V | |
| Supply Current | Icc | | | 300 | mA | |
| TI | -40 | | 85 | |
|
Optical Characteristics (TOP(C) = 0 to 70 ℃, TOP(I) =-40 to 85 ℃,VCC = 3.13 to 3.47 V)
| Parameter | Symbol | Min. | Type | Max. | Unit | Note |
| Transmitter |
| Operating Wavelength | λ | 1270 | 1310 | 1360 | nm | |
| Ave. output power (Enabled) | PAVE | -5 | | 0 | dBm | 1 |
| Extinction Ratio | ER | 8.5 | | | dB | 1 |
| Side mode Suppression Ratio | SMSR | 30 | | dB | | |
| RMS spectral width | Δλ | | | 0.65 | nm | |
| Rise/Fall time (20%~80%) | Tr/Tf | | | 0.26 | ns | 2 |
| Dispersion penalty | TDP | | | 3.9 | dB | |
| Output Optical Eye | Compliant with IEEE802.3 z (class 1 aser safety) |
| Receiver |
| Operating Wavelength | λ | 1270 | | 1610 | nm | |
| Receiver Sensitivity | PSEN1 | | | -19 | dBm | 3 |
| Overload | PAVE | 0 | | | dBm | 3 |
| LOS Assert | Pa | -35 | | | dBm | |
| LOS De-assert | Pd | | | -20 | dBm | |
| LOS Hysteresis | Pd-Pa | 0.5 | | | dB | |
Notes:
1.Measured at 2.5Gb/s with PRBS 2 223 – 1NRZ test pattern.
2.Unfiltered, measured with a PRBS223 – 1 test pattern @2.5Gbps
3.Measured at 2.5Gb/s with PRBS 223 – 1 NRZ test pattern for BER < 1x10-12
Product Descriptions
This Cisco ONS-SI-2G-I1 compatible SFP industrial module is
suitable for 2.5Gb/s serial optical data communications
intermediate-reach application, such as SDH STM-16 S-16.1/SONET
OC-48 IR-1/2GFC. It provides a 20km transmission distance over
single-mode fiber at a nominal wavelength of 1310nm. It has been
programmed and tested to work with a wide range of Cisco industrial
switches and routers. It performs identically to Cisco part number
ONS-SI-2G-I1, allowing it to be an ideally equivalent to original
transceivers.
Applications
● SDH STM-16 and SONET OC-48 system
● 2X Fiber Channel
● Switch to Switch interface
● Switched backplane applications
● Router/Server interface
● Other optical transmission systems
