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The SSN1D75S 32xE1T1 is a high-density Huawei electrical interface board featuring 32 E1/T1 ports, designed for use in Huawei’s OptiX series SDH transmission systems. This brand-new board enables efficient aggregation and transmission of legacy TDM traffic over SDH networks, offering telecom-grade reliability and seamless integration into carrier backbone networks and enterprise systems.
This board is ideal for network operators looking to consolidate multiple low-speed E1/T1 circuits into optical transport systems while maintaining high performance, stability, and synchronization.
| Specification | Details |
|---|---|
| Model | SSN1D75S |
| Port Quantity | 32 E1/T1 interfaces |
| Interface Type | Electrical (75 ohm unbalanced or 120 ohm balanced) |
| Framing Format | Framed/Unframed per ITU-T G.704 |
| Mapping | VC-12 (E1), VC-11 (T1) |
| Impedance Options | 75Ω (BNC), 120Ω (RJ48 or DB connectors) |
| Line Code | HDB3 (E1), B8ZS/AMI (T1) |
| Power Consumption | ≤ 12W |
| Operating Temperature | -5°C to +45°C |
| Storage Temperature | -40°C to +70°C |
| Humidity | 5%–95% RH, non-condensing |
| Standards Compliance | ITU-T G.703, G.704, G.823, RoHS |
