The bar code on the front panel of a board indicates the version, name, and feature code of the board. Two types of bar codes are used for the boards of the OptiX OSN 7500 II, which are as follows: 16-digit manufacturing code + board version + board name + board feature code 20-digit manufacturing code + board version + board name + board feature code The bar code is attached to the front panel of a board. Cross-Connect Boards and System Control Boards 1. The IXCS is available in one functional version, namely, TNN1. Board Start Version TNN1IXCS V200R013C10 Functions and features supported by the cross-connect unit of the IXCS board Functions and features supported by the clock unit of the IXCS board 2. The PSXCS is available in one functional version, namely, TNN1. Board Start Version TNN1PSXCS V200R011C01 Functions and features of the cross-connect unit of the PSXCS Functions and features of the timing unit...
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