Compatible with Cisco CWDM-SFP-1270, the transceiver module is a SFP 1000BASE-CWDM transceiver with a data rate of 1.25 Gb/s, designed for Gigabit Ethernet and Fibre Channel applications over single-mode fiber, for distances up to 40 km. It employs an 18-channel CWDM DFB laser transmitter (1270 nm through 1610 nm, spaced by 20 nm) and a PIN receiver with an integrated transimpedance amplifier to maintain uniform optical performance.
The module is powered through a single 3.3 V power supply and has a maximum power consumption of less than 1 W. It supports digital diagnostics monitoring in accordance with SFF-8472, which allows for real-time tracking of the following operational parameters: temperature, laser bias, optical output, received power, and voltage. The optical interface is LC Duplex-style, while the metal enclosure provides increased EMI shielding.
This hot-swappable module is compliant with both SFP MSA and IEEE 802.3z and allows for seamless integration into existing networking infrastructure. Its performance and compatibility with CWDM MUX/DEMUX devices have been fully tested to support switches, routers, and NIC devices from most major manufacturers.
Compatible with Cisco CWDM‑SFP‑1270, Arista Networks SFP‑1G‑CW‑1270, Juniper EX‑SFP‑GE40KCW1270, Brocade E1MG‑CWDM40‑1270, HPE SFP40K‑CW1270, HW 0231A4‑1270, H3C SFP‑GE‑LH40‑SM1270‑CW, NETGEAR CWDM‑SFP‑1270, Alcatel‑Lucent SFP‑GIG‑27CWD40, and HPE SFP40K‑CW1610, etc.
Specifications
| Brand | BYXGD |
| Form Factor | SFP |
| Max Data Rate | 1.25 Gb/s (1000Mbps) |
| Wavelength Range | 1270nm to 1610nm |
| Fiber Type | Single-mode Fiber (SMF) |
| Max Cable Distance | 40 km |
| Transmitter Type | DFB CWDM |
| Optical Components | DFB Laser / PIN Receiver |
| Transmitter Power | -5 to 0 dBm |
| Receiver Sensitivity | < -24 dBm |
| Receiver Overload | > 0 dBm |
| Extinction Ratio | > 9 dB |
| Output Power | 0 to -5 dBm |
| Input Power Range | -24 to -1 dBm |
| Power Consumption | ≤ 1 W |
| Power Supply Voltage | 3.3 V |
| Power Budget | 19 dB |
| Connector | Duplex LC |
| Digital Diagnostic Monitoring | Supported (DDM/DOM) |
| Protocols | IEEE 802.3ah 1000Base-BX, SFP MSA, SFF-8472 |
| EMC Compliance | IEC/EN 61000-4-2 |
| Laser Safety | FDA 21CFR 1040.10 and 1040.11 |
| RoHS Compliance | Yes |
| Operating Temperature Range | 0°C to 70°C |
| Storage Temperature Range | -40°C to 85°C |
| Weight | 0.025 kg |
| Typical Applications | 1x Fiber Channel, Switch to Switch, Gigabit Ethernet, Router/Server interfaces, Optical links |
Other module
| BYXGD Part Number | Description |
| BYXGD-1270-CWDM SFP | 1.25Gb/s CWDM SFP Transceiver Module, SMF, 1270nm, 40km, LC, DDM, SFP MSA, SFF-8472 |
| BYXGD-1290-CWDM SFP | 1.25Gb/s CWDM SFP Transceiver Module, SMF, 1290nm, 40km, LC, DDM, SFP MSA, SFF-8472 |
| BYXGD-1310-CWDM SFP | 1.25Gb/s CWDM SFP Transceiver Module, SMF, 1310nm, 40km, LC, DDM, SFP MSA, SFF-8472 |
| BYXGD-1330-CWDM SFP | 1.25Gb/s CWDM SFP Transceiver Module, SMF, 1330nm, 40km, LC, DDM, SFP MSA, SFF-8472 |
| BYXGD-1350-CWDM SFP | 1.25Gb/s CWDM SFP Transceiver Module, SMF, 1350nm, 40km, LC, DDM, SFP MSA, SFF-8472 |
| BYXGD-1370-CWDM SFP | 1.25Gb/s CWDM SFP Transceiver Module, SMF, 1370nm, 40km, LC, DDM, SFP MSA, SFF-8472 |
| BYXGD-1390-CWDM SFP | 1.25Gb/s CWDM SFP Transceiver Module, SMF, 1390nm, 40km, LC, DDM, SFP MSA, SFF-8472 |
| BYXGD-1410-CWDM SFP | 1.25Gb/s CWDM SFP Transceiver Module, SMF, 1410nm, 40km, LC, DDM, SFP MSA, SFF-8472 |
| BYXGD-1430-CWDM SFP | 1.25Gb/s CWDM SFP Transceiver Module, SMF, 1430nm, 40km, LC, DDM, SFP MSA, SFF-8472 |
| BYXGD-1450-CWDM SFP | 1.25Gb/s CWDM SFP Transceiver Module, SMF, 1450nm, 40km, LC, DDM, SFP MSA, SFF-8472 |
| BYXGD-1470-CWDM SFP | 1.25Gb/s CWDM SFP Transceiver Module, SMF, 1470nm, 40km, LC, DDM, SFP MSA, SFF-8472 |
| BYXGD-1490-CWDM SFP | 1.25Gb/s CWDM SFP Transceiver Module, SMF, 1490nm, 40km, LC, DDM, SFP MSA, SFF-8472 |
| BYXGD-1510-CWDM SFP | 1.25Gb/s CWDM SFP Transceiver Module, SMF, 1510nm, 40km, LC, DDM, SFP MSA, SFF-8472 |
| BYXGD-1530-CWDM SFP | 1.25Gb/s CWDM SFP Transceiver Module, SMF, 1530nm, 40km, LC, DDM, SFP MSA, SFF-8472 |
| BYXGD-1550-CWDM SFP | 1.25Gb/s CWDM SFP Transceiver Module, SMF, 1550nm, 40km, LC, DDM, SFP MSA, SFF-8472 |
| BYXGD-1570-CWDM SFP | 1.25Gb/s CWDM SFP Transceiver Module, SMF, 1570nm, 40km, LC, DDM, SFP MSA, SFF-8472 |
| BYXGD-1590-CWDM SFP | 1.25Gb/s CWDM SFP Transceiver Module, SMF, 1590nm, 40km, LC, DDM, SFP MSA, SFF-8472 |
| BYXGD-1610-CWDM SFP | 1.25Gb/s CWDM SFP Transceiver Module, SMF, 1610nm, 40km, LC, DDM, SFP MSA, SFF-8472 |






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