Apply to Huawei MA5800 series 32-channels TDM E1 Upstream Board
| Specifications | |
| E1 upstream transmission | 32 |
| Native TDM mode | Supported |
| Clock source | Native E1 clock signal transparent transmission |
| Loopback mode | Local loopback/Remote oopback |
| Circuit resistance | 75 ohms/120 ohms |
| E1 line codec | HDB3/AMI |
| CRC4 | Supported |
| Line alarm and maintenance information report | Supported |
| Temperature query and high-temperature alarm | Supported |
| Automatic shutdown at high temperature | Supported |
| Power Consumption (W) | Static: 26 Maximum: 28 |
| Operating temperature | -40°C to +65°C |