
Overview
16
AT-8550SP The AT-8550SP switch has 48 10/100Base-TX twisted pair ports with
RJ-45 connectors. The ports have a maximum operating distance of 100
meters (328 feet) using Category 3 or better 100 ohm twisted pair cable
for 10Base-T operation and Category 5 or 5E 100 ohm twisted pair cable
for 100Base-TX operation.
The switch also features two 10/100/1000Base-T twisted pair ports,
labelled Ports 49R and 50R. They have RJ-45 connectors, require
Category 5 or 5E 100 ohm twisted pair cable, and have a maximum
operating distance of 100 meters (328 feet).
There are also two expansion slots for two Small Form-factor Pluggable
(SFP) modules. You can use the slots to add 1000Base-X fiber optic ports
to the switch. For a list of supported SFP modules, contact your Allied
Telesyn sales representative or refer to the Allied Telesyn web site:
www.alliedtelesyn.com.
Note
The twisted pair ports 49R and 50R change to a redundant status
when SFP modules are installed and establish links with their end
nodes. A link on a SFP port always takes precedence over that of the
corresponding 10/100/1000Base-T twisted pair port.
Figure 4 shows the front and back panels of the AT-8550GB switch.
Figure 5 AT-8550SP Switch
COL
SPD
FDX
ACT
FLT
RPS
MSTR
PWR
STATUS
AT-8550SP
Fast Ethernet Switch
LINK
LINK
LINK
MAIN PORTS
13579
11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48
MODELINK 49R
49
50
SFP
UPLINK PORTS
CLASS 1
LASER PRODUCT
MODE
MODELINK 50R
System
RS-232
10/100Base-TX Ports
Port LEDs
LED Mode
Terminal
LEDs
Select Button
AC Power
Connector
10/100/1000Base-T
Ports
SFP Module
Expansion Slots
100-240VAC
~
RPS INPUT
Port
RPS
Connector
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