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Features
x220 Models
Model
AT-x220-28GS
AT-x220-52GT
AT-x220-52GP
10/100/1000Mbps
Twisted Pair
Ports
100Mbps or
1Gbps SFP
Transceiver Ports
The following sections review the hardware features of the Gigabit
Ethernet switches in the x220 Series.
Table 1 lists the basic features.
Table 1. Basic Features
10/100/1000
Mbps Twisted
Pair Ports
None
48
48
The switches come with one pre-installed power supply. It is not field-
replaceable.
The forty eight twisted pair ports on the AT-x220-52GT and AT-x220-
52GP Switches have these features:
10/100/1000Mbps operation
100 meters (328 feet) maximum operating distance per port
Half or full-duplex mode
Auto-Negotiation for speed and duplex mode
Port Link/Activity (L/A) LEDs
Automatic MDIX detection at 10 or 100Mbps.
The SFP transceiver ports support the following types of transceivers:
100Mbps (100Base-FX) or 1Gbps (1000SX/LX) single-mode or
multi-mode fiber optic transceivers
Single-port, BiDi fiber optic transceivers
AT-SPTX 1Gbps (1000Base-TX) transceiver with RJ-45 connector
for twisted pair cable
SFP transceivers must be purchased separately. For a list of supported
transceivers, refer to the product data sheet on the Allied Telesis web site.
100Mbps or
1Gbps SFP
PoE and PoE+
Transceiver
Ports
28
No
4
No
4
Yes
x220 Series Installation Guide
PoE Power
Budget
-
-
740W
19
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