SFP in 3750/3750E/3750X

Client Requirement :
     1. an additional Fibre connect point to a switch
     2. within 2km

Analyse Step:
   1. Check the Switch Type  -----standard 3750
   2. Double check the distance among sites ----2km

Solution:

Client's SW is a standard 3750, within 2 km
Therefore, LX/LH SFP is our solution


SFP (Small Fibre Pluggable ) background Knowledge:
    Multi-Mode-LED :50 u/62.5u
    Sigle-Mode- Laser: 9 u













Each SW3750 type and requirement module for SFP

3750X , network module: C3KX-NM-1G
GLC -SX/LX

My notes:
Terms:10 G Fiber
X2/XFP/SFP+/Xenpack  -------for 10 G

10G SR(short reachable)

        LR(Long )

        ER(extended)