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Huawei SSN1D75S Board is 32xE1 / Sakelar antarmuka listrik T1 tempel (75 ohm).It is used to input and output 32 E1 electrical signals. It needs to be used with PQ1 board. The Huawei D75S board consists of interface modules, switch matrix modules, and power access circuits.
Huawei SSN1D75S Board Product Overview
Huawei SSN1D75S Board is a PDH interface switching board. It is used on OptiX OSN series equipment to provide signal input and output interfaces for PDH processing boards. Pada saat yang sama, when the corresponding PDH processing board is configured with TPS protection, an interface switching board is required to complete the TPS protection.
The D75S receives and transmits 32xE1 electrical signals.
The D75S must work with the PQ1.
The D12S needs to configure 4*E1 subscriber cable.
SSN1D75S is a PDH interface switching board, receives and transmits 32xE1 electrical signals, can be used on Huawei OSN 1500B, OSN 2500, OSN 3500, OSN 7500 when working with PQ1. SSN1D75S part number is 03026727, model name is D75S.
Huawei SSN1D75S Board Product Pictures
Huawei SSN1D75S Board Product Specifications
| Antarmuka Panel | Tipe Antarmuka | Tujuan |
| 1～8 | DB44 | Receive the first to eighth E1 signals. |
| 9～16 | DB44 | Receive the 9th to 16th E1 signals. |
| 17～24 | DB44 | Receive the 17th to 24th E1 signals. |
| 25～32 | DB44 | Receive 25th to 32th E1 signals. |
| Slot for PQ1 board | D75S board corresponding slot | |
| celah 12 | celah 14、15 | |
| celah 13 | celah 16、17 | |
| Ukuran papan: 22.0mm (lebar) x 125.2mm (kedalaman) x 261,4 mm (tinggi) | ||
| Berat: 0.4kg | ||
| Konsumsi daya | ||
| The D75S board has a maximum power consumption of 0W at a normal temperature (25 °C). | ||
Huawei SSN1D75S Board Product Features
- The D75S board is used to input and output 32 E1 electrical signals. It must be used with the PQ1 / PD1 board.
- Working principle and signal flow
The D75S board consists of an interface module, a switch matrix module, and a power access circuit. - Modul antarmuka
The interface module completes the reception and transmission of E1 electrical signals.
Switch Matrix Module - Di arah penerima, the switch matrix module accesses the signal from the interface module and selects the output direction of the signal according to the TPS protection control signal of the crossbar. When TPS does not occur, the switch matrix module sends signals to the PQ1 / PD1 board; when TPS occurs, the switch matrix module sends signals to the protection board for bridging.
- In the transmitting direction, the working process of the switch matrix module is the inverse process of its receiving direction.
- Power access circuit
The power supply circuit provides the required DC voltage for all modules of the board
Huawei SSN1D75S Board and more related boards
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| 3026951 | SSN1MU04 | 4xE4 & Papan lead-out antarmuka listrik STM-1 |
| 3026734 | SSN1D34S | 6-bab 34M / 45M switchboard transfer antarmuka listrik |
| 3027581 | SSN1C34S | 3xE3 / Switchboard transfer antarmuka listrik T3 |
| 3026727 | SSN1D75S | 32xE1 / Sakelar antarmuka listrik T1 tempel (75 ohm) |
| 3026728 | SSN1D12S | 32xE1 / Sakelar antarmuka listrik T1 tempel (120 ohm) |
| 3027083 | SSN1D12B | 32xE1 / Papan outlet antarmuka listrik T1 |
| 3027552 | SSN1ETS8 | 8-bab 10 / 100M Ethernet switchboard transfer pasangan terpilin |
| 3026811 | SSN1ETF8 | 8 10M / 100M Papan Antarmuka Pasangan Berpilin Ethernet Cepat |
| 3050870 | SSN1EFF8(100Basis-SX,1310-LC) | 8-jalan 10 / 100M papan antarmuka serat Ethernet (100Basis-SX, 1310-LC, multimode) |
| 3050871 | SSN1EFF8(100Basis-LX,1310-LC) | 8-jalan 10 / 100M papan antarmuka serat Ethernet (100Basis-LX, 1310-LC) |
| 3026756 | SSN1TSB8 | 8-cara papan peralihan perlindungan antarmuka listrik |
| 3029890 | SSN1DM12 | 12Papan Outlet Hibrid DDN |
Huawei SSN1D75S Board Product Applications
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