OmniSwitch 6855 Series Chassis and Hardware Components OmniSwitch 6855-24
OmniSwitch 6855 Series Hardware Users Guide March 2009 page 2-5
Refer to the illustration below for more front panel information. For detailed LED descriptions, refer to
page 2-16. For information on the chassis rear panel, refer to page 2-18.
OmniSwitch 6855-24 Front Panel
10/100/1000Mbps
The OS6855-24 provides 20 fixed
10/100/1000BaseT non-combo (1–20) and 4 fixed
10/100/1000BaseT combo (21–24). These are
auto-sensing and auto-MDIX and use RJ-45 con-
nectors. Additionally, the first four ports support
PoE.
Status LEDs
For information on the OS6855-24’s status
LEDs, refer to page 2-16.
Combo SFP
The OS6855-24 provides four combo SFP connectors
for user with supported SFP transceivers.
By default, when an SFP is installed in a combo port, it takes over the
port number of the corresponding RJ-45 Ethernet port. In other words,
if an SFP is installed in the slot labeled 24, Ethernet port 24 would no
longer be available and cannot be used for 10/100/1000 traffic. This
default setting is referred to as “preferred fiber.” Refer to “Configur-
ing Ethernet” in the
Network Configuration Guide for detailed infor-
OmniSwitch 6855-24
OK
PS1
PS2
Console
USB
CLASS 1 LASER PRODUCT
21 22 23 24
1 5 9
2 6
10
3 7
11
4 8
12
13 17 21
14 18
22
15 19
23
16 20
24
21
22
23
24
PoE
1 3 5 7 9 11
2 4 6 8 10 12
13 15 17 19 21 23
14 16 18 20 22 24
USB Port
Console Port
The OS6855-24 front panel pro-
vides one RJ-45 port for console
connections. Console connections
are used by network administra-
tors for switch management. This
female RJ-45 connector provides
a DTE console connection.
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