Managed Hardened Gigabit Ethernet PoE+ Rack Mountable Switch
(24) 10/100/1000Base-T PoE+ Ports + (4) 100/1000Base-X SFP Slots + (4) 1G/10GBase-X SFP+ Slots


SKU: SISPM1040-3248-L Datasheet: SISPM1040-3248-L Datasheet (148.16 KB) Product Line:

Product Details

SKU SISPM1040-3248-L

(24) 10/100/1000Base-T PoE+ ports + (4) 100/1000Base-X SFP slots + (4) 1G/10GBase-X SFP+ slots
52V – 57 VDC or 100V – 250VAC


These PoE products may be licensed under one or more of the patents listed at


This switch is a next generation rack mountable hardened switch with 136Gbps switching capacity. It provides (24) 10/100/1000 PoE+ ports, 4 100/1000 dual speeds SFP ports, It has additional (4) 1G/10G SFP+ slots.


  • IPv4/IPv6 dual protocols
  • Supports Jumbo Frame up to 9K bytes
  • Authentication – RADIUS, TACACS+
  • DHCP Relay, DHCP Snooping, DHCP Server
  • L2/L3/L4 ACLs Support MAC, VLAN ID, or IP address, protocol, per port
  • LLDP (Link Layer Discovery Protocol)
  • ITU-T G.8031 Ethernet Linear Protection
  • ITU-T G.8032 Ethernet Ring Protection Switching
  • Rapid Ring for fast recovery
  • IEEE 802.3az Energy Efficiency
  • IP Source Guard, Port Security
  • Power Mirroring
  • Syslog
  • Routing protocols: Static, Open Shortest Path First version 2 (OSPF v2)


PoE Features

  • Compliant with IEEE 802.3at PoE+
  • Compliant with IEEE 802.3af PoE
  • IEEE 802.1AB LLDP-MED Configuration
  • PoE Configuration
  • PoE Scheduling
  • Power Delay
  • Auto Power Reset
  • DHCP per Port


Software Features

  • Management: Web Management, SNMP V1/V2c/V3, SSH, CLI
  • Port Trunk: Supports IEEE 802.3ad port trunk with link aggregation control protocol (LACP) and static trunk
  • Multicast: Support IGMP Snooping V1/V2/V3, MVR, MLD Snooping V1/V2
  • Quality of Service: Supports 8 hardware queues. Strict priority and WRR, Ingress policer, Egress shaping and per port rate control
  • Spanning Tree: Supports IEEE 802.1s MSTP, IEEE 802.1w RSTP and IEEE 802.1D STP Compliant
  • VLAN: Port Based VLAN, IEEE 802.1Q tag-based, up to 4k VLAN entries, Q-in-Q, MAC-based VLAN, Management VLAN, Voice VLAN, Private VLAN
  • Firmware Update through TFTP and HTTP/HTTPs
  • E-Line, E-LAN, E-TREE, E-ACCESS, IEEE 802.3ah, IEEE 802.1ag, ITU-T Y.1731, Y.1564
  • Support IEEE 1588 v2 PTP (TC)


Device Management System (DMS)

  • Graphical Monitoring – Topology view, Floor view, Map view
  • Traffic Monitoring
  • Troubleshooting – Network Diagnostic, protection mechanism, performance and link management


Standards IEEE 802.3
IEEE 802.3u
IEEE 802.3z
IEEE 802.3ae
IEEE 802.3x
IEEE 802.3ad
IEEE 802.1D
IEEE 802.1w
IEEE 802.1s
IEEE 802.1Q
IEEE 802.1p
IEEE 802.3ad
IEEE 802.1AB
IEEE 802.3af
IEEE 802.3at
IEEE 802.3az
IEEE 802.3ah
IEEE 802.1ag
Protocols CSMA/CD
Technology Store-and-forward switching architecture
Connectors (24) 100/1000 Mbps RJ-45 ports
(4) 100/1000 Mbps SFP slots
(4) 1G/10G Mbps SFP+ slots
(1) Console RJ-45 port
MAC Address 32K MAC address table
Backplane 136 Gbps
Dimensions Width: 17.4” [442 mm]
Depth: 11.81” [300 mm]
Height: 1.73” [44 mm]
Power Input 52 - 57VDC Terminal Block or 100- 250VAC, Maximum Power Consumption (without PoE): 36 Watts
Power-over-Ethernet Max PoE Budget 370 Watts (PoE power not
available with use of AC power supply)
15 Watts for (24) ports simultaneously
30 Watts for (12) ports simultaneously
Environment Operating: -40°C to +75°C (1G SFPs)
Operating: -40°C to +60°C (10G SFPs)
Weight 11.02 lbs. [5 kg]
Compliance FCC Class A; CE; NEMA TS-2
Safety: LVD
Compliant IEC61850-3, IEEE 1613, UL, Class 1 Div 2
Warranty 5 Years

Ordering Information

SKU Description  

(24) 10/100/1000Base-T PoE+ ports + (4) 100/1000Base-X SFP slots + (4) 1G/10GBase-X SFP+ slots
52V – 57 VDC or 100V – 250VAC

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These PoE products may be licensed under one or more of the patents listed at