See Juniper Networks optic modules description also
here
Technical features:
- Device type: SFP (mini-GBIC) transceiver module;
- Platforms: CTP
2008, CTP2024, and CTP2056;
- Enclosure type: Plug-in module;
- Networking connectivity technology: Wired;
- Cabling Type: 1000BASE-SX;
- Data Link Protocol: Gigabit Ethernet;
- Data Transfer Rates: 1000 Mbps;
- Optical Wave Length: 850 nm;
- Max Transfer Distance:
> 550 m on 50/125 um MMF;
> 275 m on 62.5/125 um MMF;
- Interfaces: 1 x Ethernet 1000BASE-SX - duplex
LC connector;
- Fiber/Cable Type: Multi-Mode Fiber (MMF).