LevelOne KILBY 28-Port Stackable L3 Managed Gigabit Switch

LevelOne KILBY 28-Port Stackable L3 Managed Gigabit Switch

2 x 10GbE SFP+, 1 x 10GbE Module Slot

Model GTL-2891EAN 4015867199015

78 specifications
  • Memory256 MB
  • Weight3.7 kg
  • ColourGrey
  • Switch typeManaged
  • Basic switching RJ-45 Ethernet ports quantity24
  • 10G supportYes
See all specifications

Overview

Memory
256 MB
Weight
3.7 kg
Colour
Grey
Switch type
Managed
Basic switching RJ-45 Ethernet ports quantity
24
10G support
Yes
Brand
LevelOne
Model
GTL-2891
Part number
GTL-2891
EAN / UPC
4015867199015
Also known as
LevelOne KILBY 28-Port Stackable L3 Managed Gigabit Switch, 2 x 10GbE SFP+, 1 x 10GbE Module Slot

Specifications

78 specifications in 16 groups

Management features

SpecificationValue
Switch typeManaged
Switch layerL3
Quality of Service (QoS) supportYes
ARP inspectionYes
Traffic classificationYes

Ports & interfaces

SpecificationValue
Basic switching RJ-45 Ethernet ports quantity24
Basic switching RJ-45 Ethernet ports typeGigabit Ethernet (10/100/1000)
Installed SFP modules quantity0
Installed SFP+ modules quantity0
SFP+ module slots quantity2
Console portRJ-45

Network

SpecificationValue
Networking standardsIEEE 802.1D, IEEE 802.1Q, IEEE 802.1ag, IEEE 802.1p, IEEE 802.1s, IEEE 802.1w, IEEE 802.1x, IEEE 802.3ad, IEEE 802.3ah, IEEE 802.3u, IEEE 802.3x, IEEE 802.3z
10G supportYes
Full duplexYes
Link aggregationYes
Spanning tree protocolYes
VLAN supportYes
Virtual LAN featuresPrivate VLAN, Voice VLAN, Protocol-based VLAN, MAC address-based VLAN, Port-based VLAN, IP subnet–based VLAN

Data transmission

SpecificationValue
MAC address table16000 entries
Switching capacity128 Gbit/s
Forwarding rate95.23 Mpps
Store-and-forwardYes
Static routeYes
Packet buffer memory1.5 MB

Security

SpecificationValue
DHCP featuresDHCP snooping, DHCP relay
Access Control List (ACL)Yes
IGMP snoopingYes
AuthenticationMAC-based authentication, Web-based authentication
BPDU filtering/protectionYes
DoS attack preventionYes
SSH/SSL supportYes
Static port securityYes

Protocols

SpecificationValue
Management protocolsCLI/WEB, Telnet/SNMP v1/v2/v3, RMON I,BOOTP/DHCP, SNTP, DNS,
GARP VLAN Registration Protocol (GVRP)Yes
Supported network protocolsIPv4/IPv6

Design

SpecificationValue
Rack mountingYes
StackableYes
Product colourGrey
LED indicatorsYes
SafetyUL 60950-1 & CSA 60950-1, CB IEC 60950-1 & EN 60950-1, UL/CUL

Performance

SpecificationValue
Physical stacking (units)8
Internal memory256 MB
Flash memory128 MB
Firmware upgradeableYes
TelnetYes
sFlowYes
Mean time between failures (MTBF)904213 h

Power

SpecificationValue
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz
Output current1.5 A
Power consumption (typical)35 W

Power over Ethernet (PoE)

SpecificationValue
Power over Ethernet (PoE)No

Operational conditions

SpecificationValue
Operating temperature (T-T)0 - 45 °C
Storage temperature (T-T)-40 - 70 °C
Operating relative humidity (H-H)10 - 90%
Storage relative humidity (H-H)10 - 90%

Weight & dimensions

SpecificationValue
Width440 mm
Depth315 mm
Height44 mm
Weight3.7 kg

Packaging content

SpecificationValue
Cables includedAC, LAN (RJ-45)
Quick start guideYes
Rack mount kitYes

Packaging data

SpecificationValue
Package typeBox
Resource CDYes
Rubber feetYes
Package width590 mm
Package depth390 mm
Package height133 mm
Package weight5.3 kg

Certificates

SpecificationValue
CertificationFCC, CE, VCCI Class A, WEEE, RoHS

Logistics data

SpecificationValue
Country of originChina
Master (outer) case width590 mm
Master (outer) case length390 mm
Harmonized System (HS) code85176990
Master (outer) case height133 mm
Master (outer) case gross weight5.3 kg
Products per master (outer) case1 pc(s)

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