XE7520 Switches

Key Features:


20-Port 4/8-PoE Managed Layer-2 Ethernet Switches (Traffic)
20-port Managed Layer-2 Ethernet switches with 4 Combo Gigabit Uplinks and 4/8-PoE ports – Traffic/NEMA Certified

• Up to 16 10/100 BASE-T(X) ports and 4 10/100/1000 BASE-T(X) Combo ports
• Up to 8 802.3af or 802.3at complaint PoE ports
• ERPS Ring (recovery time < 20ms @ 40 switches), STP/RSTP for network redundancy
• Remote management over Web browser,Telnet console, serial console, and Windows Utility
• Provide Generic Station Description file (GSD v2.1) for integration with SIMATIC Step 7
• Support for PROFINET I/O parameters, I/O cyclic data, DCP, DHCP and PROFINET Real-Time
• Profinet CC-B v2.33 certified & Ethernet/IP Ready

Product Details



Standards – IEEE802.3af / 802.3at for Power-over-Ethernet
– IEEE802.3 for 10BASE-T
– IEEE802.3u for 100BASE-T(X) and 100BASE-FX
– IEEE802.3ab for 1000BASE-T(X)
– IEEE802.3z for 1000BASE-X
– IEEE802.3x for Flow Control
– IEEE802.1D-2004 for Spanning Tree Protocol
– IEEE802.1w for Rapid STP
– IEEE802.1Q for VLAN Tagging
– IEEE802.1p for Class of Service
– IEEE8021X for Authentication
– IEEE802.3ad for Port Trunk with LACP
Protocols IGMPv1/v2, GVRP, SNMPv1/v2c/v3, ICMP, ARP, Telnet, DHCP Client, TFTP, SNTP, SMTP, RMON, HTTP, Syslog, PROFINET, Modbus/TCP, LLDP,IEEE 1588 PTP V2, IPv4, NTP Client, EAP, RADIUS, 802.1x
Flow Control IEEE802.3x for Flow Control, back pressure flow control

Switch Properties


Priority Queues 8
Max. Number of Available VLANs 256
VLAN ID Range VID 1 to 4094
Static IGMP Groups 256
Dynamic IGMP Groups 256
MAC Table Size 16K
Packet Buffer Size 12 Mbit



RJ45 Ports 10/100/1000BASE-T(X) or 10/100 BASE-T(X) auto negotiation speed
Fiber Ports 100BASE-FX / 1000BASE-X SFP slot
LED Indicators PWR1, PWR2, Alarm, Run, Ring, Ring Master, RJ-45 Link/Speed, SFP Link, PoE
Console RS232 (RJ45 connector)
Relay Output 2 relay outputs with current carrying capacity of 2A @30VDC
DIP Switches Ring Control
Button Reset Button

Power Management


Input Voltage 9-48 VDC or 18~30VAC for Non-PoE models
45-57 VDC for 802.3af mode
51-57 VDC for 802.3at mode
Input Current Max. 1.5A @ 18VAC
Max. 2.0A @ 9VDC (without PD)
Max. 3.2A @ 45VDC (Support up to 8 ports at 15.4W per PoE port) Max. 5.5A @ 51VDC (Support up to 8 ports at 30W per PoE port)
Connector Removable 5-pin Terminal Block for power input
Reverse Polarity Protection Present (DC only)

Physical Characteristics


Housing IP30 protection, metal housing
Dimension 78mm x 137.9mm x 164mm (W x D x H)
Weight approx 1.4 kg (Max.)
Installation DIN-Rail, Wall Mount (Optional Kit)

Environmental Limits


Operating Temperature -20°C~70°C (-4°F~158°F)
Storage Temperature -40°C~85°C (-40°F~185°F)
Ambient Relative Humidity 5%~95% non-condensing

Regulatory Approvals


Safety UL60950-1 2nd Ed. /CSA C22.2 No.60950-1-07 2nd Ed. / EN60950-1 / CB
EMC FCC Part 15, Subpart B, Class A / EN 61000-6-4:2007+A1:2011 / EN 61000-6-2:2005
Test Item Value Level
IEC 61000-4-2 ESD Contact Discharge ±6KV
Air Discharge ±8KV
IEC 61000-4-3 RS Radiated(Enclosure) 10 (V/m)
IEC 61000-4-4 EFT AC Power Port ±2.0 KV
DC Power Port ±2.0 KV
Signal Port ±1.0 KV
IEC 61000-4-5 Surge AC Power Port Line-to-Line ±1.0KV
AC Power Port Line-to-Earth ±2.0KV
DC Power Port Line-to-Line ±1.0KV
DC Power Port Line-to-Earth ±2.0KV
Signal Port Line-to-Earth ±1.0KV
IEC 61000-4-6 CS Conducted(Enclosure) 10 Vrms
IEC 61000-4-8 PFMF (Enclosure) 30(A/m)
IEC 61000-4-11 Dip AC Power Port
Shock IEC 60068-2-27
Drop IEC 60068-2-32
Vibration IEC 60068-2-64
Traffic Control NEMA TS-2
RoHS Yes
Warranty 5 years