
Step 4: Operation and Installation Warnings
•SFPs are designed to be used for fiber connection with LC/PC connectors (Lucent Connector / Physical Contact) and
LC UPC connectors (Lucent Connector, Ultra Polished Contact, usually blue). Using an LC APC connector (Angled
Physical Contact, usually green) causes poor performance and can damage the connector (never rely on color alone
to determine the connector type). SFP with RJ-45 is used to connect copper ethernet cable.
•Always inspect and clean the connectors before you make a connection.
•Always use the connector housing to plug or unplug a fiber.
•Never touch the end face of the fiber connectors.
Step 5: Install the SFP
To install the SFP transceiver:
1. Make sure the bale clasp is pushed up, in the closed position.
2. Insert the SFP transceiver into the relevant device’s SFP slot and push it in
until it clicks.
3. Remove the protective cap and store it in a safe place for future use.
To remove the SFP transceiver:
1. Pull the bale clasp down to release the transceiver unit.
2. Pull the transceiver unit out by the bale clasp.
3. If needed, put the protective cap back on.
For optimum range and performance use the recommended Kramer cables available at
http://www.kramerav.com/product/sfp-1g.
Using third-party cables may cause damage!
Step 6: Technical Specifications
Transceiver name SFP1-SMa-S* SFP1-SMb-S* SFP1-SM-D SFP-1MM-D SFP-1-C
Optical Fiber
Type Single-Mode Single-Mode Single-Mode Multi-Mode —
Strands Simplex Simplex Duplex Duplex —
Transceiver Wavelength
TX: 1310nm TX: 1550nm
1310nm 850nm —
RX: 1550nm RX: 1310nm
Transfer Rate (speed) 1.25 Gbps 1.25 Gbps 1.25 Gbps 1.25 Gbps 1000BASE-T
Transmission Range (max) 10km 10km 10km 550m 100m
Connector Type LC LC LC LC RJ-45
Optical Typical Transmit Power [dBm] -9 -9 -9 --9.5
Optical Maximum Transmit Power [dBm] -3 -3 -3 -3
Optical Maximum Receiver Sensitivity [dBm] -21 -21 -21 -17
Optical Maximum Loss Budget [dB] 18 18 18 14
Standards Compliance MSA SFP, RoHS, SFF-8472, TUV, UL, FDA
Laser Safety Compliance Laser Class 1 FDA, IEC60825-1
Operating Temperature 0° to 70°C
Storage Temperature -40° to 85°C
Specifications are subject to change without notice at www.kramerav.com
*SFP1-SMa-S and SFP1-SMb-S are designed to operate as a pair.