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Features
x550 Models
Model
AT-x550-18XTQ
AT-x550-18XSQ
AT-x550-18XSPQm 8
1Gbps and
10Gbps Twisted
Pair Ports
1/2.5/5/10Gbps
Twisted Pair
Ports
The Allied Telesis x550 Series switches are stackable 10 Gigabit, Layer 3
Ethernet switches. The following sections list the features:
Table 1 lists the basic features.
Table 1. Basic Features
1/2.5/5/10
1Gbps and
Gbps PoE+
10Gbps
Twisted Pair
Twisted Pair
Ports
Ports
0
16
0
0
0
The following items provide additional information:
The 40Gbps QSFP+ slots 17 and 21 can be used as regular
Ethernet networking ports or stacking ports with the VCStack
feature.
When used as regular networking ports the 40Gbps QSFP+ slots
17 and 21 support 40Gbps transceivers or breakout cables, which
convert the slots into four 10Gbps ports.
The switches come with one pre-installed power supply. It is not
field-replaceable.
The sixteen twisted pair ports on the AT-x550-18XTQ Switch have these
features:
1Gbps or 10Gbps operation
100 meters (328 feet) maximum operating distance per port
Auto-Negotiation for speed
Full-duplex mode only
Port Link/Activity (L/A) LEDs
The eight twisted pair ports on the AT-x550-18XSPQm Switch have these
features:
1Gbps, 2.5Gbps, 5Gbps, or 10Gbps operation
100 meters (328 feet) maximum operating distance per port
x550 Series Installation Guide for Stand-alone Switches
1Gbps SFP
40Gbps
and 10Gbps
QSFP+
SFP+
Transceiver
Transceiver
Slots
Slots
0
2
16
2
8
2
VCStack
Yes
Yes
Yes
19
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