In the OSN1500 transmission equipment network use, often encounter the expansion of the business board, due to the previous did not do business detailed specification leads to open the business is the business board randomly installed, some of the business board in fact do not need to point to use a large rate of slots, if the beginning of the use of some of the slots to the use of the back of the expansion of the business will meet the corresponding problems, now I give you a detailed Huawei SDH Now I will give you a detailed correspondence between the slots of the processing boards and interface boards of Huawei SDH 1500 equipment! OptiX OSN 1500B is a double-layer structure, the upper layer for the outlet board and power board slot area, a total of 6 slots, the lower layer for the processing board and auxiliary single-board slot area, slots are not split a total of 11 slots; after the split there are 14 slots. The slots are distributed with correspondences, including correspondences between outlet board slots and processing board slots, and correspondences of pairwise slots. Slots 11, 12 and 13 of the subrack can be split. The split slots are divided as the dotted lines in Figure 2, with 1, 2, and 3 on the left side of the original slots and 11, 12, and 13 on the right side of the original slots.

Single board slot assignments for OptiX OSN 1500B:

1, line, master, crossover and clock all-in-one board slots: slots 4 to 5

2、Before the slot split, the business processing single board slot: slots 6 to 9, slots 11 to 13

3、Service processing single board slot after slot splitting: slot 1～9, slot 11～13

4、Service interface board slot：slot 14～17

5. Business board slot: slot 9 (can double as processing board slot)

6, auxiliary interface board slot: slot 10

7、Power supply board slot：slot 18、19

8. Fan slot: slot 20

Correspondence between the slots of the processing boards and interface boards of Huawei SDH OSN1500 devices

Description: Optix OSN1500 slot 6 and slot 11 are protection slots. slot 6 provides protection for slot 7 and slot 8, and slot 11 provides protection for slot 12 and slot 13. According to the TPS protection principle, slot 6 and slot 11 share the outlet panel slots slot 15 and slot 17.

OptiX OSN 1500B Pairwise Slot Correspondence Table

A pair of slots is a pair of slots through which overheads can pass through the backplane bus. When a single board is inserted in a pair of slots, it can realize automatic pass-through of overheads such as K-byte, D-byte, E1, etc., improve the performance of multiplexing segment inversion, and not affect the DCC communication and official phone call functions of other network elements when the main control board of the network element is not in position. The correspondence of the pairwise slots is shown in Table 2.

This chapter of related technical information and SDH equipment troubleshooting process by Shenzhen Optical Transmission Network Technology Co. Huawei SDH Optical Transmission Equipment,SDH Transmission Equipment Sales