通常情況下我們在做交換機光模塊接入後想看一下功率等一系列參數是否滿足要求，爲了將來不出error包等情況。h3c會有一個參考值可以給我們工程師參考。當然該命令是在隱藏模式下進行的啦。具體請看：
<H3C-S5600>sys
System View: return to User View with Ctrl+Z.
[H3C-S5600]_hidecmd
Now you enter a hidden command view for developer's testing, some commands may
affect operation by wrong use, please carefully use it with our engineer's
direction.
[H3C-S5600-hidecmd]_dis tran diag int
GigabitEthernet1/0/25 transceiver diagnostic information:
Error: The transceiver is absent.
GigabitEthernet1/0/26 transceiver diagnostic information:
Error: The transceiver does not support this function.
由於我是舊的5600的設備，SFP模塊不支持該功能，後繼都增加了該function.請注意。