Hardware Installation and Reference Guide Appendix
48
Note
According to the specifications of intensity of received light, install an on-line optical attenuator to avoid overload
when using short fiber-optic cables for following modules: GE-SFP-LH40-SM1310-BIDI, GE-SFP-LH40-
SM1550-BIDI, MINI-GBIC-LH40-SM1310, MINI-GBIC-ZX50-SM1550, MINI-GBIC-ZX80-SM1550, MINI-GBIC-
ZX100-SM1550, SDH155-SFP-LH40-SM1310, SDH155-SFP-LH80-SM1550.
The SFP module is a laser device. Please do not look into the laser beam directly.
To keep the SFP module clean, please make sure that the unused ports remain capped.
Table 7-4 Cabling Specifications
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