ST-10G-X2-SR
3-year warranty · Standard lead time 3–7 days
10G X2 SR Optical Transceiver — 300m Multimode for Installed-Base Networks
The Sate Optics ST-10G-X2-SR is a 10G X2 optical transceiver for multimode links up to 300m. It runs at 850nm over multimode fiber with SC duplex connectivity, keeping first-generation 10G platforms in service with fresh, coded optics.
Why This Module
- 300m reach: 850nm optics for X2 cages
- Fresh spares for legacy fleets: new-production modules, not refurbished pulls
- DDM monitoring: real-time optical power, temperature and voltage readings, 0~70℃ commercial range
Compatible with your platform — coded for major networking platforms, including Cisco, Juniper, Arista, Huawei, Nokia, H3C and ZTE; 100% tested before shipment.
Key Specifications
| Parameter | Specification |
| Form Factor | X2 |
| Data Rate | 10Gbps |
| Wavelength | 850nm |
| Fiber Type | Multimode Fiber (MMF) |
| Transmission Distance | Up to 300m |
| TX Power | -7.3 ~ -1.3 dBm |
| RX Sensitivity | -9 dBm |
| Operating Temperature | 0~70℃ |
Used In
- Installed-base switches and routers with legacy 10G cages
- Maintenance and spares programmes for networks still running these platforms
- Legacy aggregation platforms with X2 line cards
- Typical platforms: Cisco Catalyst 6500 / 7600 and Catalyst 3750-E / 3560-E series, plus other installed-base 10G platforms with legacy cages.
Not sure it fits your equipment? Request a Quote and tell us your switch model — we confirm compatibility before you order.
Where It Fits
- Installed-base 10G links up to 300m
- Like-for-like spares replacement in legacy networks
- Staged migrations bridging legacy and modern 10G estates
Every module is covered by a 3-year warranty with lifetime maintenance. Standard lead time is 3–7 days for most products, and samples are available for evaluation.
More in 10G X2 Optical Transceivers
| Part Number | Model No. | Picture | Data Rate(Mbps) | Wavelength | Media Type | Reach | TX Power(dBm) | RX Sens.(dBm) | Temp.(℃) | Note | Datasheet |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ST-10G-X2-SR | 10G X2 SR 300m Compatible | ![]() |
10Gbps | 850nm | Multi-mode Fiber (MMF) | 300m | -7.3 ~ -1.3 dBm | -9 dBm | 0~70℃ | Compatible 10G X2 SR Optical Transceiver | |
| ST-10G-X2-LR | 10G X2 LR 10km Compatible | ![]() |
10Gbps | 1310nm | Single-mode Fiber (SMF) | 10km | -5 ~ +0.5 dBm | -14.4 dBm | 0~70℃ | Compatible 10G X2 LR Optical Transceiver | |
| ST-10G-X2-ER | 10G X2 ER 40km Compatible | ![]() |
10Gbps | 1550nm | Single-mode Fiber (SMF) | 40km | -1 ~ +4 dBm | -16.5 dBm | 0~70℃ | Compatible 10G X2 ER Optical Transceiver | |
| ST-10G-X2-ZR | 10G X2 ZR 80km Compatible | ![]() |
10Gbps | 1550nm | Single-mode Fiber (SMF) | 80km | 0 ~ +5 dBm | -24 dBm | 0~70℃ | Compatible 10G X2 ZR Optical Transceiver |


