SSN1D12S

Huawei OSN7500 series SSN1D12S 12xE3/T3 interface switching board

Huawei

3-5 days

Shenzhen Warehouse

SKU: 2015036 Category:

Description

SSN1D12S overview

The D12S is a PDH interface switching board. The D12S can be used on the OptiX OSN equipment series to transmit and receive signals for the PDH processing board. In addition, when the corresponding PDH processing board is configured with the TPS protection, the interface switching board is required to perform the TPS protection.

Valid Slots

The D12S can be installed in slots 19–22 and 35–38 in the subrack and works as the interface board of the PQ1, or PQM.

Table 1 lists the slots valid for the PQ1/PQM and the corresponding slots for the D12S. The D12S installed in the slot with a smaller number transmits/receives the 1st to the 32nd channels of E1/T1 electrical signals. The D12S installed in the slot with a larger number transmits/receives the 33rd to the 63rd channels of E1/T1 electrical signals.

Table 1 Slots valid for the PQ1/PQM and the corresponding slots for the D12S

Slot Valid for the PQ1/PQM
Corresponding Slot for the D12S
Slot 2 Slots 19 and 20
Slot 3 Slots 21 and 22
Slot 17 Slots 35 and 36
Specifications of the ports
Port type
Description
T1 electrical interfaces T1 electrical interfaces
E1 electrical interfaces 120 ohm E1 electrical interfaces

 

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