SFP+ Loopback
SFP+ electrical loopback is used for testing SFP+ transceiver ports in host/system boards. By substituting a full-featured SFP+ transceiver, the electrical loopback provides a cost effective method for SFP+ port testing. Attenuation options are available in nominal and attenuated versions including 0db, 3.5db and 5db; power options are 1W, 2W, 2.5W; plug in and out can reach to 500times.
SFP+ loopback is packaged in an MSA compliant housing offering excellent heat dissipation, compatible with all SFP+ ports. Transmit data from the host is electrically routed, (internal to the loopback module), to the receive data outputs and back to the host. Since the loopback module does not contain laser diodes, photodiodes, a laser driver or transimpedance amplifier chips, etc., it provides an economical way to exercise SFP+ ports during R&D validation, production testing and field analysis.
SFP28 Loopback
SFP28 electrical loopbacks provide a method for port operations testing in board, hub, system, and other applications.
Attenuation options are available in nominal and attenuated versions including 0db, 3.5db and 5db; power options are 1W, 2W, 2.5W; plug in and out can reach to 500times.
SFP28 electrical loopbacks provide a method for port operations testing in board, hub, system, and other applications. Attenuation options are available in nominal and attenuated versions including 0db, 3.5db and 5db; power options are 1W, 2W, 2.5W; plug in and out can reach to 500times.
The SFP28 electrical loopback supports Fibre Channel, Gigabit Ethernet, and Infiniband protocols, and is capable of achieving up to 100 Gbps data transfer rate.
This provides information about the present operating conditions and the pre-loaded EEPROM memory map. Both standard and custom memory maps are available
- SFP+ MSA Compliant
- Hot-pluggable MSA footprint
- Custom Memory Maps Capability
- Temperature range from 0℃ to 70℃
- Power Consumption Different Option: 1W, 2W, 2.5W
- Internal Attenuation Different Option: 0dB, 3.5dB, 5dB
- Board and System Level Testing
- Test and Measurement
- Switch and Router Chamber Testing e.g. HASS and HALT
- 100Mb/s to 10.5Gb/s
| P/N | Description | Data Rate (bps) |
Attenuation (dB) |
Power Option (W) |
Plug in and out |
| CAB-SFP-LB0-0 | SFP+ Loopback, 0 dB, 0 W | 10G | 0 | 0 | 500 Times |
| CAB-SFP-LB3-0 | SFP+ Loopback, 3 dB, 0 W | 10G | 3 | 0 | 500 Times |
| CAB-SFP-LB5-0 | SFP+ Loopback, 5 dB, 0 W | 10G | 5 | 0 | 500 Times |
| CAB-SFP-LB0-2 | SFP+ Loopback, 0 dB, 2.5 W | 10G | 0 | 2.5 | 500 Times |
- Compliant with SONET, SDH, GBE, FC
- Custom memory maps available
- Built in diagnostic functions
- Supports 25Gbps
- Host-pluggable MSA footprint
- Full SFF-8432 MSA compliant
- Temperature range from 0℃ to 70℃
- No reference clock required
- Economical and flexible SFP28 port testing
- Board level system testing
- Power on validation
- Excellent signal integrity
- Power Consumption Different Option: 1W, 2W, 2.5W
- Internal Attenuation Different Option: 0dB, 3.5dB, 5dB
- SFP port/system testing
- Ethernet IEEE 802.3
- SONET, SDH, GBE, Fiber Channel
| P/N | Description | Data Rate (bps) |
Attenuation (dB) |
Power Option (W) |
Plug in and out |
| CAB-ZSP-LB0-0 | SFP28 Loopback, 0 dB, 0 W | 25 G | 0 | 0 | 500 Times |
| CAB-ZSP-LB3-0 | SFP28 Loopback, 3 dB, 0 W | 25 G | 3 | 0 | 500 Times |
| CAB-ZSP-LB5-0 | SFP28 Loopback, 5 dB, 0 W | 25 G | 5 | 0 | 500 Times |
| CAB-ZSP-LB0-2 | SFP28 Loopback, 0 dB, 2.5 W | 25 G | 0 | 2.5 | 500 Times |
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