2.488Gbps Compact Bi-Di SFP Transceiver 1490nm TX 1310 nm RX 20km
Description
The GCS-B4325-B4325-20C transceiver is high performance, cost effective module where both ports are bi-directional, each port supports 2448Mbps throughput and 20km transmission distance with SMF.
The two independent channel transceiver unit consists of three sections: a high quality 1490nm DFB laser transmitter, a high reliable 1310nm PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements.
It is with the SFP 20-pin connector to allow hot plug capability. Digital diagnostic functions are available via an I2C interface as specified in the MSA SFF-8472.
The transceiver is fully compatible with Compact SFP Multi-Source Agreement (MSA).
Specifications
| Product Category |
2 Fiber CSFP Transceiver |
P/N |
GCS-B4325-B4325-20C |
| Form Factor |
CSFP |
Technology |
Dual-Lane BIDI |
| Bit-Speed (Gbps) |
2.488G/2.488G |
Lane Count |
2x ( Tx/Rx ) |
| Cable Transmission |
20km |
Interface |
Dual LC UPC |
| TX Center Wavelength |
2x 1310nm |
RX Center Wavelength |
2x 1490nm |
| Power Supply Voltage |
+3.3V (typical) |
Power Dissipation |
≤ 1.8W |
| Transmitter Type |
DFB laser |
Receiver Type |
PIN |
| Transmitter Power |
-5 ~ 0dBm |
Receiver Sensitivity |
< -19dBm |
| Extinction Ratio |
> 9dB |
Receiver Overload |
> 0dBm |
| Optical Budget (dB) |
14dB |
Digital Diagnostic |
Build-in |
| Environment |
Operating: 0 to 70°C |
Warranty |
36-month |
| Storage: -40°C to 85°C |
MTBF |
1,000,000Hours |
| Compliance |
Gigabit Ethernet, MSA Compliant |
Features
- Dual Fiber Bi-Directional CSFP Optical Transceiver
- Supports 2.488Gbps Bi-directional Data Links
- 2xBi-directional transceivers in 1 SFP transceiver package
- Compliant with IEEE 802.3z Gigabit Ethernet
- Compliant with CSFP MSA 2.0 (Option2)
- Compliant with Digital Diagnostic Monitor Interface SFF-8472
- Duplex LC Connector
- 1490nm DFB laser and 1310nm PIN photodetector
- Up to 20km on 9/125µm SMF
- Single +3.3 V Power Supply
- RoHS Compliant
- Class 1 Laser International Safety Standard IEC 60825 Compliant
Application
- SDH STM-16 and SONET OC-48 system
- Fiber Channel
- Switch to Switch interface
- Point to Point FTTH Application
- Other optical transmission systems
Electrical and Optical Characteristics
| Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
Notes |
| Transmitter |
| Centre Wavelength |
λc |
1470 |
1490 |
1510 |
nm |
|
| Spectral Width (-20dB) |
σ |
|
|
1 |
nm |
|
| Side Mode Suppression Ratio |
SMSR |
30 |
|
|
dB |
|
| Average Output Power |
Pout |
-5 |
|
0 |
dBm |
1 |
| Extinction Ratio |
ER |
9 |
|
|
dB |
|
| Optical Rise/Fall Time (20%~80%) |
tr/tf |
|
|
0.16 |
ns |
|
| Data Input Swing Differential |
VIN |
400 |
|
1800 |
mV |
2 |
| Input Differential Impedance |
ZIN |
90 |
100 |
110 |
Ω |
|
|
TX Disable
|
Disable |
|
2.0 |
|
Vcc |
V |
|
| Enable |
|
0 |
|
0.8 |
V |
|
|
TX Fault
|
Fault |
|
2.0 |
|
Vcc |
V |
|
| Normal |
|
0 |
|
0.8 |
V |
|
| Receiver |
| Centre Wavelength |
λc |
1290 |
|
1330 |
nm |
|
| Receiver Sensitivity |
|
|
|
-19 |
dBm |
3 |
| Receiver Overload |
|
0 |
|
|
dBm |
3 |
| LOS De-Assert |
LOSD |
|
|
-19 |
dBm |
|
| LOS Assert |
LOSA |
-30 |
|
|
dBm |
|
| LOS Hysteresis |
|
1 |
|
4 |
dB |
|
| Data Output Swing Differential |
Vout |
400 |
|
1800 |
mV |
4 |
|
LOS
|
High |
2.0 |
|
Vcc |
V |
|
| Low |
|
|
0.8 |
V |
|
Notes:
1. The optical power is launched into SMF.
2. PECL input, internally AC-coupled and terminated.
3. Measured with a PRBS 223-1 test pattern @2488Mbps, BER ≤1×10-12.
4. Internally AC-coupled.
Product Tags:
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2 Fiber 2.488Gbps CSFP BIDI SM Transceiver 20km TX1490 RX1310 LC DOM Images
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