HPE SFP28

3
Single-mode fiber type
Wavelength (nm)
Features
Applications
fiber)
with a central
wavelength of 1310
nm or 1550 nm.
G.655-compliant fiber
(non-zero dispersion
shifted fiber)
1530 to 1565
Near-zero dispersion
around 1550 nm.
1550-nm
wavelength-division
multiplexing (WDM)
transmissions.
Fiber diameter
Fiber diameter is expressed as core diameter/cladding diameter, in μm. For example, 9/125 μm
represents a fiber core diameter of 9 μm and a fiber cladding diameter of 125 μm.
As a best practice, use the following fiber diameters for the HPE Comware-based devices:
•
G.652 standard single-mode fiber—9/125 μm.
•
G.655 single-mode fiber—9/125 μm.
•
G.651 standard multimode fiber—50/125 μm.
LC connector
CAUTION:
Cover the connector with a dust cap when it is not connected to optical fibers.
Connectors connect transceiver modules to the transmission media.
Figure 1 LC connector
Optical parameters
The following are the major optical parameters:
•
Transmit power—Transmit power is the power at which the transmitter of an optical
transceiver module transmits optical signals, in dBm.
•
Receive power—Receive power is the power at which the receiver of a optical transceiver
module receives optical signals, in dBm.
The transceiver module specifications in this guide provide the average transmit and receive power
ranges.