26
Installation MS20/MS30
Release
11
07/2013
1.3.4 MB20 extender module
The MB20 extender module allows you to add 2 slots for media modules to
the MS20-1600/MS30-1602 basic modules.
Figure 9: MB20 extender module
1.3.5 SFP Transceiver
With the insertion of the SFP transceivers into the SFP slots, F/O ports are
available to you.
SFP transceivers allow you to use optical interfaces on your device (Fast
Ethernet and Gigabit Ethernet SFP transceivers).
See “Accessories” on page 66.
SFP stands for Small Form-factor Pluggable and is also referred to as mini-
GBIC (GigaBit Interface Converter).
The Fast Ethernet media module MM20-Z6Z6Z6Z6 has 4 SFP slots (100
Mbit/s).
The Gigabit Ethernet media modules MM4-4TX/SFP and MM4-2TX/SFP
have 4 or 2 TP interfaces and 4 or 2 slots (1000 Mbit/s).
By inserting the SFP transceivers, you deactivate the corresponding TP
interface.
1.4 Display elements
After establishing the operating voltage, the software starts and initializes
itself. Afterwards, the device performs a self-test. During this process,
various LEDs light up. The process lasts around 60 seconds.
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