1.1.4
MB-2T expansion module
The MB-2T expansion module allows you to add 2 slots for media modules
to the basic modules MS20-1600 / MS30-1602.
Figure 9: MB-2T expansion module
1.1.5
SFP modules
SFP modules are optical transceivers (Fast ETHERNET and Gigabit
ETHERNET SFP modules - see
Small Form-factor Pluggable and is also often referred to as mini-GBIC
(GigaBit Interface Converter).
The SFP modules are plugged into the SFP slots of the Fast ETHERNET
media module MM20-Z6Z6Z6Z6 or the Gigabit ETHERNET media modules
MM4-4TX/SFP and MM4-2TX/SFP in order to have an F/O port.
Module MM20-Z6Z6Z6Z6 has 4 SFP slots for connecting SFP modules
(100 Mbit/s).
Modules MM4-4TX/SFP and MM4-2TX/SFP have, respectively, 4 and 2 TP
interfaces and 4 and 2 slots for connecting SFP modules (1000 Mbit/s).
By inserting the SFP module you deactivate the corresponding TP interface.
MS20/MS30 MS20/MS30
Release 10 07/2012
page 67
"Accessories"). SFP stands for
29