Mpls Function GFI1 Fiberhome Fonsweaver 780B Two GE Optical Interfaces Supports Hot Insertion
The GFI1 cards can be divided into three types: the one supporting the FE electrical interface, the one not supporting the FE electrical interface and the one not supporting the FE optical interface.
Card Type | Same Functions | Different Functions |
GFI1 (the FE electrical interface protection supported; card code: 2.115.264) |
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GFI1 (the FE electrical interface protection not supported; card code: 2.115.242) | Provides two GE optical interfaces and eight FE electrical interfaces. | |
GFI1 (the FE optical interface protection not supported; card code: 2.115.273) | Provides two GE optical interfaces and eight FE optical interfaces. |
The working principle of the GFI1 card is shown as below.
The GE Optical Interface Specifications of the GFI1 Card,
Item | Specification | |
Optical Interface Type | 1000BASE-SX | 1000BASE-LX |
Target distance (km) | 0.55 | 10 |
Source type | MLM | MLM |
Mean launched optical power (dBm) | -9.5 to 0 | -8 to -3 |
Central wavelength (nm) | 770 to 860 | 1270 to 1355 |
Overload optical power (dBm) | 0 | -3 |
Receiving sensitivity (dBm) | -17 | -20 |
Minimum extinction ratio (dB) | 9 | 9 |
The FE Optical Interface Specifications of the GFI1 Card.
Item | Specification | ||
Optical Interface Type | 100BASE-FX (2km) | 100BASE-FX (15km) | 100BASE-FX (40km, 70km) |
Source type | MLM | SLM | SLM |
Tx optical power (dBm) | -20 to -14 | -20 to -14 | -4 to 0 |
Central wavelength (nm) | 1270 to 1380 | 1270 to 1340 | 1290 to 1330 |
Overload optical power (dBm) | -14 | -14 | -15 |
Receiving sensitivity (dBm) | -31 | -31 | -37 |
Extinction ratio (dB) | 10 | 10 | 10 |
The FE Electrical Interface Specifications of the GFI1 Card.
Item | Specification | |
Electrical interface type | 100BASE-TX | |
Differential mode output voltage (mV) | Positive direction (+Vout) | 950 to 1050 |
Negative direction (-Vout) | -950 to -1050 | |
Waveform overshoot (mV) | Positive direction | 5% of +Vout |
Negative direction | 5% of -Vout | |
Waveform overshoot attenuation time (ns) | 8 | |
Signal amplitude symmetry degree | 0.98 to 1.02 | |
Rise time (ns) | 3 to 5 | |
Fall time (ns) | 3 to 5 | |
Rise / fall time symmetric degree (ns) | Difference value ≤ 0.5 | |
Duty cycle distortion (ns) | 15.75 to 16.25 | |
Transmission jitter (ns) | 1.4 | |
Transmitter impedance return loss (dB) | 10 | |
Receiver impedance return loss (dB) | 10 |
Item | Specification |
Weight (kg) | 0825 (FE electrical interface protection not supported) 081 (FE electrical interface protection supported) 111 (FE optical interface protection not supported) |
Panel dimensions: H×W×D (mm) | 368×25×210 |
Item | Specification |
Power consumption (W) | 35 (FE electrical interface protection not supported) 41 (FE optical interface protection not supported) |