The Hermesys HydraX™ SM Optical Transceiver Module is a hot-pluggable 3.3V BIDI SFP that carries 1.25Gb/s traffic over a single strand of 9/125μm singlemode fiber, for reaches of 20, 40 or 80km.
Key Features and Benefits
- Integrated single-fiber bi-directional optical subassembly
- Up to 1.25Gbps data links
- Hot-pluggable SFP+ footprint
- Metal enclosure for lower EMI
- Simplex LC connector
- 20 to 80km transmission on singlemode fiber
- Single +3.3V power supply
- Low power dissipation
Typical Applications
- 1.25G Long Haul Network
- Gigabit Ethernet
Reference Standard
- SFF-8431
- SFF-8472
- IEC 60825 Class 1
- IEEE 802.3z
Technical Data
Data Rate
Up to 1.25 Gb/s
Connector Type
Simplex LC (single-fiber BIDI)
Fibre Type
9/125μm Singlemode
Power Supply
Single +3.3V (3.14 ~ 3.47V)
Extinction Ratio
≥ 7.5 dB
Side Mode Suppression Ratio
≥ 30 dB (DFB LD)
Operating Temperature
0°C ~ +70°C (case)
Storage Temperature
-40°C ~ +85°C (ambient)
Relative Humidity
5% ~ 95%
Standards Compliance
SFF-8431, SFF-8472, IEEE 802.3z, IEC 60825 Class 1, CE, FCC, RoHS2
Optical Specifications by Reach Distance
| Parameter |
20km |
40km |
80km |
| Laser Type |
FP LD |
DFB LD |
DFB LD |
| Output Optical Power |
-9 ~ -3 dBm |
-5 ~ 0 dBm |
-2 ~ +3 dBm |
| Receiver Sensitivity (Max) |
≤ -24 dBm |
≤ -24 dBm |
≤ -26 dBm |
TX Wavelength Options
| Parameter |
TX 1310nm (20km) |
TX 1310nm (40/80km) |
TX 1490nm |
TX 1550nm |
| Laser Type |
FP LD |
DFB LD |
DFB LD |
DFB LD |
| TX Wavelength Range |
1260 ~ 1360nm |
1290 ~ 1330nm |
1470 ~ 1510nm |
1520 ~ 1580nm |