MPO/LC Cable Requirements
The below table details NVIDIA Single-Mode (SM) and Multi-Mode (MM) cabling requirements:
Parameter | MPO MM Patch/Trunk | MPO SM Patch/Trunk | LC SM Patch/Trunk | |
Connector | Type and Grade | MPO low loss or MTP Elite, Green Tab | MPO low loss or MTP Elite, Green Tab | LC low loass grade B per IEC 61753-1, blue housing. |
IL (Max) | 0.35dB | 0.35dB | 0.25dB | |
RL (Max) | -35dB | -60dB | -55dB | |
Gender | Female for patch, Male for Trunk | Female for patch, Male for Trunk | N/A | |
End face polish | APC | APC | UPC | |
Spec compliance | IEC 61754-7 and EIA/TIA-604-5 (FOCIS-5) | IEC 61754-7 and EIA/TIA-604-5 (FOCIS-5) | IEC 61754-20, TIA 604-10-A (LC) | |
Fiber | Grade | OM3: L≤30m OM4: 30m<L≤50m | OS2 | OS2 |
Attenuation | 3 dB/km | 0.4 dB/km | 0.4dB/Km | |
Spec compliance | ITU-T G.651.1 | ITU-T G.652D and G.657.A1 | ITU-T G.652D and G.657.A1 | |
Cable | Fiber count per strand | 8 (12 is allowed) | 8 (12 is allowed) | 1 (Simplex connector) 2 (Duplex connector) |
Jacket | Ø3.0mm-2.0mm, Aqua Patch: LSZH-OFNR Trunk: OFNP*
| Ø3.0mm-2.0mm, Yellow Patch: LSZH-OFNR Trunk: OFNP*
| Ø3.0mm-2.0mm, Yellow Patch: LSZH-OFNR Trunk: OFNP*
| |
Operational Temp. | 0C-70C | 0C-70C | 0C-70C | |
Polarity | Type-B, per TIA-568 | Type-B, per TIA-568 | A-B polarity, per TIA-568 | |
Spec compliance | Telcordia GR-409-CORE, GR-1435, ROHS | Telcordia GR-409-CORE, GR-326/GR-1435, ROHS | Telcordia GR-409-CORE, GR-326/GR-1435, ROHS | |
NVIDIA end-to-end requirements | Max Interfaces (connectors) throughout an optical link | 4 | 4 | 4 |
MPO/MTP adapter type (patch panel) | TYPE A (KEY UP – KEY DOWN) Complies to GR-1435 | TYPE A (KEY UP – KEY DOWN) Complies to GR-1435 | A-B adapter, per TIA-568 | |
Max Length | 50m | 500m | 2Km | |
Max IL | 2dB | 2dB | 2dB | |