| Item |
LS5D21VST000 |
| Apply to S5320-EI Switch |
| Attributes of an SFP optical port |
| Connector type |
MPO |
| Standards compliance |
IEEE 802.3ae |
| Attributes of a QSFP+ 40GE optical module |
| Model |
Transmission Distance (km) |
Standard |
Fiber Type |
![]() ![]() QSFP-40G-SR4 |
≤ 0.1 |
40Gbase-SR4 |
- Fiber mode: multimode (OM3)
- Connector type: MPO
|
| ≤ 0.15 |
- Fiber mode: multimode (OM4)
- Connector type: MPO
|
| QSFP-40G-iSR4 |
≤ 0.1 |
40Gbase-iSR4 |
- Fiber mode: multimode (OM3)
- Connector type: MPO
|
| ≤ 0.15 |
- Fiber mode: multimode (OM4)
- Connector type: MPO
|
| QSFP-40G-eSR4 |
≤ 0.026 |
40Gbase-eSR4 |
- Fiber mode: multimode
- Modal Bandwidth: 160 MHz*km
- Core diameter: 62.5 μm
- Connector type: MPO
|
| ≤ 0.033 |
- Fiber mode: multimode (OM1)
- Connector type: MPO
|
| ≤ 0.066 |
- Fiber mode: multimode
- Modal Bandwidth: 400 MHz*km
- Core diameter: 50 μm
- Connector type: MPO
|
| ≤ 0.082 |
- Fiber mode: multimode (OM2)
- Connector type: MPO
|
| ≤ 0.3 |
- Fiber mode: multimode (OM3)
- Connector type: MPO
|
| ≤ 0.4 |
- Fiber mode: multimode (OM4)
- Connector type: MPO
|
| QSFP-40G-LR4 |
≤ 10 |
40Gbase-LR4 |
- Fiber mode: single-mode
- Connector type: LC
|
| Optical parameters of QSFP+ 40GE optical modules |
| Model |
Center Wavelength (nm) |
Transmit Power (dBm) |
Receiver Sensitivity (dBm) |
Overload Optical Power (dBm) |
Extinction Ratio (dB) |
| QSFP-40G-SR4 |
850 |
-7.6 to 2.4 |
≤ -5.4 |
2.4 |
≥ 3.0 |
| QSFP-40G-iSR4 |
850 |
-7.6 to -1 |
≤ -9.5 |
2.4 |
≥ 3.0 |
| QSFP-40G-eSR4 |
850 |
-7.6 to 0.5 |
≤ -5.4 |
2.4 |
≥ 3.0 |
| QSFP-40G-LR4 |
1271, 1291, 1311, and 1331 |
-7.0 to 2.3 |
≤ -11.5 |
3.3 |
≥ 3.5 |
| Physical specifications |
| Dimensions (mm) |
100 (W)x 208 (D) x 40(H) |
| Weight (kg) |
0.92 |
| Maximum power consumption (W) |
9 |
| Environment parameters |
| Operating temperature |
0°C to 45°C |
| Relative humidity |
5% RH to 95% RH |
| Storage temperature |
-40°C to +70°C |
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