Hitachi GR4000 Series Installation Manual page 73

(2) GBIC-LX
Module type A
Product name on the label：GBIC-LX
Color of the label：blue
Figure 1.8-2 Appearance of GBIC-LX
*
(3) GBIC-LH
Module type C
Product name on the label：GBIC-LH
Color of the label：green
Figure 1.8-3 Appearance of GBIC-LH
520-10-014-20X
NOTE: There are two types of modules (Type A and Type C) for GBIC-SX and GBIC-LX.
However, there is no functional difference between these two types.
GR4000 Installation Guide Version 1.00 - Preliminary
Module type C
Product name on the label：GBIC-LX
Color of the label：blue
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