Which switch delivers greater per-port bandwidth and raw throughput?

The Lantronix SI-IES-5200-LRT is specified at 10 Gbps on all six ports, making every link capable of 10G wire-speed throughput. For applications such as multi-camera aggregation nodes, NVR uplinks, or high-density edge computing backhauling where bandwidth is the primary constraint, this is a material advantage.

The Transition Networks SISPM1040-362-LRT is rated at 10/100/1000 Mbps (Gigabit) per port—a full order of magnitude lower in maximum per-port throughput than the Lantronix. For deployments where 1 Gbps per camera or device is sufficient, this gap may be acceptable, but it is not bridgeable through configuration.

No aggregate switching capacity (backplane) figure is provided in the supplied specifications for either unit, so a backplane-to-backplane comparison cannot be made honestly.

How do the two switches compare on PoE delivery, operating environment, and physical form factor?

On PoE, the Lantronix supports PoE++ (IEEE 802.3bt), with a specified maximum PoE budget of 90 W at 56 VDC input. The 802.3bt standard allows up to 90 W per port, making it suitable for high-draw devices such as PTZ cameras, multi-radio wireless APs, or edge compute modules. The Transition Networks SISPM1040-362-LRT is specified as PoE+ (IEEE 802.3at), which caps at 30 W per port. No total PoE budget wattage figure is provided in the Transition Networks specifications supplied.

On operating temperature, the Lantronix specifies –40 °C to 75 °C (with a conflicting secondary field showing –25 °C to +60 °C; the wider –40 °C to 75 °C range appears in the dedicated 'Operating Temp' field). Storage is rated –40 °C to +85 °C. The Lantronix also carries an IP31 ingress-protection rating. No operating temperature range and no IP rating are specified for the Transition Networks unit in the provided data.

Both units support DIN rail mounting, confirmed in the Lantronix specs; DIN rail is not explicitly listed in the Transition Networks spec fields provided, though the product name suffix '-LRT' conventionally denotes DIN rail / hardened form factor. The Lantronix dimensions are 63 mm × 113.5 mm × 125.2 mm. The Transition Networks lists 18" × 16" × 10"—an unusually large figure for a 6-port switch and may reflect packaging or a data-entry anomaly; buyers should verify against the manufacturer datasheet.

Certifications for the Lantronix include UL508, TUV EN60950-1, EN55022 Class B, and EN61000-4-2/3/4/5. No certifications are listed in the supplied Transition Networks specs, though the TAA-compliance feature flag is noted.

Which unit offers stronger network management, compliance credentials, and long-term support?

The Lantronix SI-IES-5200-LRT is explicitly unmanaged—plug-and-play with no CLI, SNMP, VLAN, or QoS configuration capability. This simplifies deployment and eliminates configuration error, but rules it out wherever network segmentation, traffic prioritization, or remote monitoring is required.

The Transition Networks SISPM1040-362-LRT is a managed switch. The specifications note Layer 2+ architecture supporting VLAN, QoS, and SNMP, and an 8K MAC address table. This enables network segmentation (critical for isolating camera traffic), quality-of-service policies, and SNMP-based remote monitoring—capabilities absent from the Lantronix.

On compliance, the Transition Networks carries a TAA (Trade Agreements Act) flag, which is a purchasing requirement for U.S. federal and many state/local government contracts. The Lantronix specifications do not list TAA compliance.

Warranty terms differ significantly: the Transition Networks carries a lifetime warranty; the Lantronix is covered by a 2-year warranty. For infrastructure that may remain in service for a decade or more, the lifetime warranty reduces long-term ownership risk.

Which should you choose: the IES-5200-LRT or the SISPM1040-362-LRT?

Our take: The SI-IES-5200-LRT is the stronger choice when raw per-port bandwidth is the overriding requirement—its 10 Gbps per-port speed versus the SISPM1040-362-LRT's 1 Gbps ceiling is a 10× throughput advantage that cannot be closed by management tuning. It also supports PoE++ (802.3bt, up to 90 W budget at 56 VDC) versus PoE+ (802.3at, 30 W per port, no total budget stated) and carries a rated operating range down to –40 °C with an IP31 enclosure rating and UL508/TUV certifications, while no comparable environmental ratings are supplied for the Transition Networks. Conversely, the SISPM1040-362-LRT is the correct choice where network management is non-negotiable: its Layer 2+ VLAN, QoS, and SNMP capabilities, 8K MAC table, TAA compliance for government procurement, and lifetime warranty address requirements the unmanaged Lantronix cannot meet. Choose the Lantronix for 10G unmanaged aggregation backbones in extreme-temperature industrial enclosures; choose the Transition Networks for managed, TAA-regulated, lifecycle-sensitive deployments at Gigabit speeds.

Side-by-Side Comparison

Spec-for-spec, from manufacturer data.

Frequently Asked Questions

Related Resources

• Lantronix IES-5200-LRT product page — full specs and to add to a quote
• Transition Networks SISPM1040-362-LRT product page — full specs and to add to a quote