Product Description
Features
◆ Hot-pluggable SFP footprint
◆ Duplex LC fiber connector
◆ Transmission distance up to 550m on 50/125µm or 62.5/125µm MMF
◆ Built-in DDMI functions
◆ Comply with SFP MSA .
◆ Single +3.3V power supply
◆ RoHS6 compliant (lead free)
◆ Operating case temperature:
Commercial : 0 to +70°C
Industrial : -40 to +85°C
◆ Comply with Ethernet Switches from a lot of widely used brands .
Applications
◆ Gigabit Ethernet
◆ 1X Fiber Channel
◆ Switch to Switch interface
◆ Router/Server interface
◆ Other optical transmission systems
Optical Parameters
Parameter | Symbol | Min. | Typical | Max. | Unit | Note |
Transmitter Section: |
Centre Wavelength | λc | 830 | 850 | 860 | nm |
|
Spectral Width (RMS) | σ |
|
| 0.85 | nm |
|
Average Optical Power | Pavg | -9 |
| -3 | dBm | 1 |
Laser Off Power | Poff | - | - | -45 | dBm |
|
Extinction Ratio | ER | 9 | - | - | dB |
|
Relative Intensity Noise | Rin | - | - | -128 | dB/Hz | 12dB reflection |
Transmitter jitter | UIp-p |
| - | 0.1 |
| 3 |
Optical Return Loss Tolerance |
| - | - | 12 | dB |
|
Output Optical Eye | Compliant with IEEE802.3 z | 4 |
Receiver Section: |
|
Receiver Center Wavelength | λr | 830 |
| 860 | nm |
|
Receiver Sensitivity in Average Power | Sen | -18 |
| -3 | dBm | 5 |
Los Assert | LosA | -35 | - | - | dBm |
|
Los Dessert | LosD | - | - | -19 | dBm |
|
Los Hysteresis | LosH | 0.5 | - | - | dB |
|
Overload | Pin | - | - | -3 | dBm | 5 |
Receiver Reflectance |
| - | - | -12 | dB |
|
Receiver power (damage) |
| - | - | 0 | dBm |
|
Notes:
1. The optical power is launched into 50/125µm MMF.
2. Unfiltered, measured with a PRBS 223-1 test pattern @1.25Gbps
3. Meet the specified maximum output jitter requirements if the specified maximum input jitter is present.
4. Measured with a PRBS 223-1est pattern @1.25Gbps.
5. Measured with a PRBS 223-1 test pattern @1.25Gbps, worst-case extinction ratio, BER ≤1×10-10
Pin Definitions
Pin | Signal Name | Description | Plug Seq | Notes |
1 | VeeT | Transmitter Ground | 1 |
|
2 | TX FAULT | Transmitter Fault Indication | 3 | Note 1 |
3 | TX Disale | Transmitter Disable | 3 | Note 2 |
4 | MOD_DEF(2) |  Serial Data Signal SDA
| 3 | Note 3 |
5 | MOD_DEF(1) | Serial Clock Signal SCL | 3 | Note 3 |
6 | MOD_DEF(0) | Grounded in Module | 3 | Note 3 |
7 | Rate Select | Not Connected | 3 |
|
8 | LOS | Receiver Loss of Signal Indicator (Active high, open-drain) | 3 | Note 4 |
9 | VeeR | Receiver Ground | 1 |
|
10 | VeeR | Receiver Ground | 1 |
|
11 | VeeR | Receiver Ground | 1 |
|
12 | RD- | Inv. Received Data Out | 3 | Note 5 |
13 | RD+ | Received Data Out | 3 | Note 5 |
14 | VeeR | Receiver Ground | 1 |
|
15 | VccR | Receiver Power Supply | 2 |
|
16 | VccT | Transmitter Power Supply | 2 |
|
17 | VeeT | Transmitter Ground | 1 |
|
18 | TD+ | Transmit Data In | 3 | Note 6 |
19 | TD- | Inv. Transmit Data In | 3 | Note 6 |
20 | VeeT | Transmitter Ground | 1 | Note 2 |
Ordering information
Part Number | Product Description |
HD-M8512-05LCD | 850nm, 1.25Gbps, 550m, Duplex LC SFP Transceiver, 0ºC ~ +70ºC , With DDM. |
HD-M8512-05LCD-I | 850nm, 1.25Gbps, 550m, Duplex LC SFP Transceiver ,-40ºC ~ +85ºC, With DDM. |
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