Specifications

Description
3.4 Description of the product
SCALANCE X-400 BA
52 Operating Instructions, 03/2009, C79000-G8976-C186-07
Options for slots 5 and 6 (SCALANCE X408-2)
Slots 5 and 6 of the basic device each have two RJ-45 jacks for connecting TP cables. The
possible data transmission rates on electrical connections are 10, 100, or 1000 Mbps. An
optical gigabit or Fast Ethernet module in slot 5 and/or 6 allows data transmission with
multimode or single mode FOC. In this case, the two RJ-45 jacks below the module can no
longer be used.
)
/
/

50
6%
'

'


[

6&
$/$1
&
(
;


&R
Y
H
U
&R
Y
H
U

3
RZHUPR
G
X
O
H
&
38PRGXOH

[
5-




0ES
V
S
7
ZLVWHG
S
DLU
6ORW6ORW6ORW6ORW6ORW 6ORW
3
3

3
3
1RWXVHG
6ORW
1
RWXVH
G
[5- b0ESV 7ZLVWHGSDLU [5- b0ESV 7ZLVWHGSDLU
[ [
&R
Y
H
U
Figure 3-27 Slots of the media modules
LED display of the FO media modules
The LED displays of a module are the same as the LEDs of the basic device. With optical
transmission, only a fixed transmission rate and full duplex mode are possible. The display in
display modes B and C is analogous.
● In display mode A, the current connection status is displayed.
● In display mode B, the fixed transmission rate is displayed.
● In display mode C, the full duplex mode is always displayed.
● In display mode D, you can see whether or not the port is monitored.
3.4.4.2 Fast Ethernet media module MM491-2 (100Base-FX)
Introduction
● SCALANCE X414-3E
The Fast Ethernet media module MM491-2 can be used optionally in slots 6 and 7 and
when using the media module extender EM496-4, it can also be used in slots 12 through
15. Mixed operation with the Fast Ethernet media modules MM491-2LD and
MM491-2LH+ is possible.
● SCALANCE X408-2
As an option, the Fast Ethernet media module MM491-2 can be used in slots 5 and 6 of