XRG7528 Switches

Key Features:


28-port Modular Managed Layer-2 Gigabit Rackmount switches with 8-PoE ports – Railway Certified
28-Port 8-PoE Modular Managed Layer-2 Gigabit Rackmount Switches (Railway)
• Maximum 128Gbps switching capacity, 95.24Mpps throughput
• Rugged industrial design for -40~75° C harsh environment operation
• Flexible modular configuration, 3 Module-dedicated slots
• Up to 24 PoE ports, with maximum 720W of PoE power budget
• 4 x 1 Gigabit or 4 x 10 Gigabit SFP Uplink slots
• Up to 20 possible configurations in 4 power input versions
• ITU-T G.8032 ERPS Ring, RSTP, or MRP (client) redundancy
• EN50155 / EN50121-4 Certified for Railway applications
• PROFINET v2.33 CC-B conformance, Provides GSD Description file
• Advanced management features

Product Details

Switch core



Technical Specifications


Model Name XRG7528

Switch Properties


Priority Queues 8
VLAN Table 4096
MAC-Based VLAN 512
VLAN ID Range VID 1 to 4094
Static IGMP Groups 128
Dynamic IGMP Groups 256
MAC Table Size 16k
Packet Buffer Size 1.5 MB
Jumbo Frame 9216 Byte
Switching Fabric Capacity 56 Gbps (1G uplinks) / 128 Gbps (10G uplinks)
Maximum throughput 41.67 Mpps (1G uplinks) / 95.24 Mpps (10G uplinks)



Standards IEEE 802.3 for 10BaseT
IEEE 802.3u for 100BaseT(X)
IEEE 802.3ab for 1000BaseT(X)
IEEE 802.3z for 1000BaseX
IEEE 802.3ae For 10 Gigabit Ethernet Fiber
IEEE 802.3x for Flow Control, back pressure flow control
IEEE 802.1D-2004 for Spanning Tree Protocol
IEEE 802.1w for Rapid Spanning Tree Protocol
IEEE 802.1s for Multiple Spanning Tree Protocol
IEEE 802.1Q for VLAN Tagging
IEEE 802.1p for Class of Service
IEEE 802.1X for Authentication
IEEE 802.1ae for MAC security (MACsec) – on XRGM4-XRGM5 only
IEEE 802.3ad for Port Trunk with LACP
IEEE 802.3az for Energy Efficient Ethernet
Protocols IPv4, IPv6, IGMPv1/v2/v3, IGMP snooping, GARP, GMRP, GVRP, SNMPv1/v2c/ v3, SNMP Inform, ICMP, Telnet, SSH, DHCP Relay/Client/IP-port-mapping, DHCP Option 66/67/82, BootP, RARP, TFTP, SMTP, SMTP (Gmail), RMON, HTTP, HTTPS, Syslog, MRP(Client), LLDP, 802.1x,EAP, RADIUS,TACACS+,Mir-
ror port,QoS,ACL
Redundancy ITU-T G.8032 ERPS Ring, STP, RSTP, MSTP, Compatible Ring/Chain, U-Ring

Time Synchronization


Network Synchronization NTP Server/Client, SNTP
Precision Network
IEEE1588v1 OC/BC (Software)
IEEE1588v2 TC (Hardware) – ns accuracy
IEEE1588v2 OC/BC (Software)
Automation Profiles Profinet v2.33 CC-B conformance, EtherNet/IP, Modbus/TCP status registers
MIB MIB II, IF-MIB, SNMPv2 MIB, BRIDGE-MIB, RMON MIB Group 1,2,3,9, RFC RFC 1157, RFC 1213, RFC 1215, RFC 1493, RFC 1643, RFC 1757, RFC 2011,
RFC 2012, RFC 2013, RFC 2233, RFC 2571, RFC 2742, RFC 2819, RFC 2863,
RFC 3411, RFC 3412, RFC 3413, RFC 3414, RFC 3415, RFC 2674



Input Voltage Switch Core:
DC version: redundant 48~57 VDC
AC version: single 110~220 VAC
Redundant AC version: dual 110~220 VAC
Mixed AC/DC -Redundant: 1×110~220VAC & 48~57VDCPoE: 2 x 48-57 VDC (each power input max 360W)
Input Current (Max) CPU board AC/ redundant AC: 110-220 VAC, 0.58 A Max, 64W Max
CPU board redundand DC 48-57 VDC , 0.68A Max, 32.7W Max
802.3af PoE full loading: 45-57 VDC, 8.4A Max, 370W Max
802.3at PoE+ full loading: 51-57 VDC, 14.4A Max, 720W Max
Connectors 2 x Lockable 5-pin terminal blocks for PoE power input (all vers.)
2 x Lockable 3-pin terminal blocks for DC power input (DC vers.)
1-2 x AC power inlet (non-redundant(x1) / -MR version(x1) / -R(x2) )
1 x Lockable 3-pin terminal blocks for DC power input (-MR version)
Reverse Polarity Protection Yes

Physical Characteristics


Dimension (W x H x D)

IP30 SPCC metal housing
440 x 44 x 340 mm (not including screws and rack-mount kit)
5Kg (not including module but module cover only)
1U Rack-mount, Rack-mount kit included

Environmental Limits


Operating Temperature
Storage Temperature
Ambient Relative Humidity
-40°C~75°C (-40°F~167°F)
-40°C~85°C (-40°F~185°F)
5%~95%, 55°C (Non-condensing)

Switch Modules


Technical Specifications


Description 8-Port RJ45 PoE module 8-Port RJ45 module 8-Port SFP module
Model Name XRG7X28-M1 XRG7X28-M2 XRG7X28-M3



PoE Power per port 15.4/30W (802.3af/at)
Total Max Power 240 W
Number of ports 8 8 8
Port speed 10/100/1000 BASE-T(X) 10/100/1000 BASE-T(X) 100/1000 BASE-F(X)
Interface RJ45 RJ45 SFP slot
Dimensions 104.5 x 171.6 x 39.5mm 104.5 x 171.6 x 39.5mm 104.5 x 171.6 x 39.5mm
Weight 550 g 500 g 450 g
Fixing 2 x screws (included) 2 x screws (included) 2 x screws (included)

Regulatory Approvals


 Safety UL 60950-1 2nd Ed. /CSA C22.2 No.60950-1-07 2nd Ed. / EN 60950-1 / UL 62368-1 / IEC 62368-1
EMC FCC Part 15, Subpart B, Class A
EN 55032, EN 55024, EN 61000-3-2, EN 61000-3-3, EN 61000-6-2, EN 61000-6-4
Test Item Value Level
IEC 61000-4-2 ESD Contact Discharge
Air Discharge
IEC 61000-4-3 RS Enclosure Port 10(V/m), 80-1000MHz 3 *
IEC 61000-4-4 EFT AC Power Port
DC Power Port
Signal Port
IEC 61000-4-5 Surge AC Power Port
AC Power Port
DC Power Port
DC Power Port
Signal Port
Line-to Line±1.0KV
Line-to Earth±2.0KV
Line-to Line±1.0KV
Line-to Earth±2.0KV
Line-to Earth±2.0KV
IEC 61000-4-6 CS 0.15-80MHz 10V rms 3 *
IEC 61000-4-8 PFMF (Enclosure) AC 50Hz 10A/m 3
IEC 61000-4-11 DIP AC Power Port
Shock Drop Vibration MIL-STD-810G Method 516.5
MIL-STD-810F Method 516.5
MIL-STD-810F Method 514.5 C-1 & C-2
Rail Traffic EN50155 / EN50121-4 Certified
RoHS2 Yes
MTBF 12.20 Years
Warranty 5 years

* EMC level 3 on CS/RS pass conditional to the use of Shielded Ethernet Cable