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- Description
- Specifications
The SFP-10G-BX40D-I is a Cisco 10GBASE-BX40-D bidirectional SFP+ module for 40 km single-fiber links. It works over one strand of standard single-mode fiber (G.652) and always pairs with an SFP-10G-BX40U-I at the other end, with a transmission range up to 40 km.
One strand carries both directions, with the two ends using different wavelengths. This downstream module transmits a 1330 nm channel and receives a 1270 nm signal, and its partner does the reverse. The optical transmit window is 1320 to 1340 nm and the receive window is 1260 to 1280 nm.
Digital Optical Monitoring follows the SFF-8472 MSA and reports optical output power, optical input power, temperature, laser bias current and transceiver supply voltage. Power consumption is 1.2 W, and the module is an industrial temperature (IND) part. For a 10 km pair, the upstream SFP-10G-BXU-I 10 km bidirectional SFP+ uses 1270 nm. 10G SFP+ modules are collected in Cisco interface cards.
| Type | 10GBASE-BX40-D bidirectional SFP+ (downstream) |
| Fiber | one strand of standard single-mode fiber (G.652) |
| Range | up to 40 km |
| Transmit wavelength | 1330 nm (window 1320 to 1340 nm) |
| Receive wavelength | 1270 nm (window 1260 to 1280 nm) |
| Digital Optical Monitoring | yes (SFF-8472) |
| Power consumption | 1.2 W |
| Temperature class | industrial (IND) |
| Color code | red |
| Pairs with | SFP-10G-BX40U-I |
| Compatible with | SFP-10G-BX40U-I at the far end of the fiber |