Lite L3 20-Port Industrial Gigabit PoE+ Managed Ethernet Switch

XLG7520 Series

Lite L3 20-Port Industrial Gigabit PoE+ Managed Ethernet Switch

Key Features:

▪ 16-port 10/100/1000Base-T(X) Ethernet with IEEE 802.3af/at compliant PoE, 30W/port
▪ 4-port dual rate 100/1000Base-(F)X SFP slots
▪ Multiusers account for security
▪ Configuration: http, https, CLI Command, Telnet, SNMP,SSH
▪ Network redundancy support: G.8032 ERPS v2/ STP/ RSTP/ MSTP
▪ Supports Static routes for routing function
▪ Supports RADIUS, TACACS+ authentication protocol
▪ Supports QoS, LACP bandwidth control
▪ Supports VLAN, SNMP v1/v2c/v3, ACL, IP source guard for Ethernet security
▪ PoE ping alarm function for PoE ports power recycle
▪ Redundant power inputs design
▪ Operating temperature range – STD: -10°C ~ 70°C, EOT: -40°C ~ 75°C


Technical Specifications

Standards IEEE 802.3 10Base-T Ethernet

IEEE 802.3u 100Base-TX Fast Ethernet IEEE 802.3ab 1000Base-T Gigabit Ethernet IEEE 802.3z 1000Base-X Gigabit Fiber IEEE 802.3af/at Power over Ethernet

IEEE 802.3x Flow Control

IEEE 802.1d STP (Spanning Tree Protocol)

IEEE 802.1w RSTP (Rapid Spanning Tree Protocol) IEEE 802.1s MSTP (Multiple Spanning Tree Protocol)

ITU-T G.8032 / Y.1344 ERPS v1/v2(Ethernet Ring Protection Switch) IEEE 802.1Q Virtual Local Area Network (VLAN)

IEEE 802.1p QoS/CoS Protocol for Traffic Prioritization IEEE 802.1X Network Authentication

IEEE 802.1AB Link Layer Discovery Protocol (LLDP)

IEEE 802.3ad Link Aggregation (LACP)

Processing Type Store and Forward
Flow Control IEEE 802.3x flow control, back pressure flow control
Network Management
Management IPv4/IPv6, SNMP v1/v2c/v3, LLDP, LLDP-MED, HTTP, HTTPS, SSHv2 telnet, DHCP client, DHCPv6

client, DHCP server, Port Mirror, DNS client/proxy, IP based Access Filter, ICMPv6, syslog, Time Zone /Daylight Saving, NTP client, RMON, sFlow, Loop detection, Console Port, USB configuration backup/restore, Power lost warning, relay trigger

Security Port-based/Single/Multi 802.1X, ACL(Port/Rate Limiters/ACE), MAC-based Authentication, VLAN assignment, QoS Assignment, Private VLAN, Guest VLAN, RADIUS accounting, TACACS+, IP MAC binding, WEB/CLI authentication, Authorization (15 levels), Port Security Limit Control, ACLs for

filtering/policing/port copy, IP source guard, ARP Inspection

L2 Switching Port/MAC/Protocol/IP Subnet-based VLAN, GARP/GVRP, Loop Guard, Link Aggregation static/LACP, BPDU guard, Error disable recovery, IGMP snooping v2/v3, MLD snooping v1/v2, IGMP

filtering, IPMC throttling / filtering leave proxy, DHCP snooping, G.8032 v1/v2

L3 Switching DHCP option82, static routes
QoS 802.1p Queueing, Input priority mapping, Storm control for Unicast/Multicast/Broadcast,

Port/Queue/ACL policer, Port egress shaper, Queue egress shaper, DiffServ (DSCP), Tag remarking, Scheduler mode

Power Saving ActiPHY, PerfectReach, IEEE 802.3az EEE power management
Network Redundancy STP/RSTP/MSTP, port trunk with LACP, ERPS v1/v2 (<50ms)
Configuration Http, Https, Telnet, SSH, CLI, TFTP, SNMP v3
PoE POE/POE+ port power allocation, Power budget protection, PoE output scheduled, PoE alive check

and remote reboot PD device

System / Diagnostics Dual Image Protection, PING, PING6
SNMP MIBs & RFC Standards RFC 2674 VLAN MIB

IEEE-802.1Q bridge MIB 2008

RFC 2819 RMON (group 1, 2, 3, and 9) RFC 1213 MIB II


RFC 4188 bridge

RFC 4292 IP forwarding table

  RFC 4668 RADIUS auth. client RFC 4670 RADIUS accounting RFC 3635 Ethernet-likeRFC 2863 interface group MIB using SMI v2 RFC 3636 802.3 MAU

RFC 4133 entity MIB v3
RFC 3411 SNMP management frameworks

RFC 3414 user-based security model for SNMPv3 RFC 3415 view-based access control model for SNMP RFC 2613 SMON – PortCopy


IEEE 802.1AB LLDP-MIB (LLDP MIB included in a clause of the STD) IEEE 802.3ad (LACP MIB included in a clause of the STD)

IEEE 802.1X (PAE MIB included in a clause of the STD) TIA 1057 LLDP-MED ( MIB is part of the STD)

RFC 3621 LLDP-MED Power (POE) (No specific MIB for POE+ exists)

Switch Properties
Switching Fabric (Back-Plane) 40Gbps
Priority Queues 8
Max. Number of VLANs 4095
VLAN ID Range VID 1 to 4095
Memory Buffer 4Mbits
Jumbo Frame 9.6Kbytes
MAC Table Size 8K
IGMP Group 1024
Transfer Rate 14,880pps for Ethernet port

148,800pps for Fast Ethernet port
1,488,000pps for Gigabit Ethernet port

Switch Properties
XLG7520 Ports 16*10/100/1000 Base-T(X) with 16*PoE-PSE (30W/Port)
Auto-Negotiation, Full/Half Duplex, Auto-MDI/MDI-X
PoE Pin Out V+, V+, V-, V-, for pin 1, 2, 3, 6 (End-span, Mode A)
Fiber Port 4*100/1000Base-(F)X SFP slots
Wavelength Depends on SFP modules
LED Indicators System: Power 1, Power 2, Master, Ring, Status Ethernet ports: Speed/Link/Active

PoE: On-connected to PD devices

SFP: Link/Active

RS232 Serial Console 1*RS232 in RJ45 connector with console cable, baud rate 115,200bps,8,N,1
Configuration Backup 1*USB 2.0 host (type-A) for configuration backup/restore
Relay Contact 24 VDC, 1A resistive
DI 1* Digital Input (DI): State 0: -30~8VDC / State 1: 10~30VDC, Max. input current: 8mA
Network Cable 10Base-T: 2-pair UTP/STP Cat. 3, 4, 5 cable EIA/TIA-568 100-ohm (100m) 100Base-TX: 2-pair UTP/STP Cat. 5 cable EIA/TIA-568 100-ohm (100m) 1000Base-TX: 4-pair UTP/STP Cat.5/5E cable; EIA/TIA-568 100-ohm (100m)
Optical Cable Multi-mode cable – 50/125um or 62.5/125um, Single-mode cable – 9/125um or 10/125um
Power Requirements
Input Voltage Dual 48-55VDC redundant power inputs
Power Connection 2*removable 4-contact terminal block
Overload Current Protection Present (Slow-Blow Fuse)
Reverse Polarity Protection Present
System Power Consumption Max. 18.4W full loading
Max. PoE Power Budget 240W@48-55VDC
Mechanical Characteristics
Housing Metal, IP30 protection
Dimensions (W x H x D) 67 x 142 x 99 mm (2.64 x 5.59 x 3.9 inch)
Weight Unit weight: 1.2kg (2.76 lb), Shipping weight: 1.4kg (3.31 lb)
Mounting DIN-Rail Mounting, Wall Mounting
Regulatory Approvals
EMI FCC Part 15 Subpart B Class A,

CE EN55032/EN61000-6-4 Class A

EMS CE EN55035/EN61000-6-2

IEC61000-4-2 (ESD), IEC61000-4-3 (RS), IEC61000-4-4 (EFT), IEC61000-4-5 (Surge), IEC61000-4-6 (CS),

IEC61000-4-8 (Magnetic Field)

Free Fall IEC60068-2-32
Shock IEC60068-2-27
Vibration IEC60068-2-6
Green RoHS Compliant
Safety UL61010-1, UL61010-2-201
Compliance NEMA TS2 (ITS)
Substation IEC 61850-3 Edition 2.0
MTBF (Telcordia SR-332, Issue 3, GB, 25°C) 434,738 hrs.
Warranty 5 Years
Order Information
XLG7520-16P-4S Lite L3 20-Port Industrial Gigabit PoE+ Managed Ethernet Switch -16*10/100/1000Base-T(X) with 16*PoE-PSE (30W/Port) + 4*100/1000Base-(F)X SFP Slots,  48-55VDC, -10°C ~ 70°C
XLG7520-16P-4S- T Lite L3 20-Port Industrial Gigabit PoE+ Managed Ethernet Switch -16*10/100/1000Base-T(X) with 16*PoE-PSE (30W/Port) + 4*100/1000Base-(F)X SFP Slots,  48-55VDC, -40°C ~ 75°C