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TRENDnet TI-BG5091B Industrial 8-Port 2.5G PoE++ Switch

Brand:
Trendnet
TRENDnet TI-BG5091B exact trailing-B industrial switch with eight 2.5G PoE++ ports and one empty 10G SFP+ uplink slot
TRENDnet TI-BG5091B Industrial 8-Port 2.5G PoE++ Switch
€442.83 inc. VAT
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TI-BG5091B
€372.13 €413.48
€442.83 inc. VAT
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Product Code
04:495987
EAN Code
0710931163094
Manufacturer
Trendnet
Quick Specs
Access
8 × 2.5G PoE++
Uplink
1 × 10G SFP+
DC input
24–57 V
PoE at 24 V
240 W shared
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Industrial 2.5G PoE++ with a wide DC input range

8 × 2.5G PoE++1 × 10G SFP+24–57 V DC inputUp to 480 W shared

The TRENDnet TI-BG5091B provides eight 2.5G PoE++ copper ports and one 10G SFP+ uplink in a rugged industrial switch. The trailing-B voltage-booster model accepts external 24–57 V DC and supports fast PoE power-up. DIN-rail or wall mounting and multiple power connections suit planned industrial cabinet installations.

Best For: Protected industrial networks needing multi-gigabit powered endpoints and a compatible 10G uplink.
Before you order: Power supply is separate. The manufacturer specifies 240 W shared PoE at 24 V input or up to 480 W at 56 V input, with a sufficiently capable supply. Up to 95 W per port remains subject to this shared budget and device compatibility. Select input voltage, PSU capacity and cooling together. IP50 does not provide water protection.

What's in the Box

  • TI-BG5091B, removable terminal block and DIN-rail/wall mounting kit.
  • External power supply/adapter selected separately for the actual input and PoE demand.
  • SFP+/SFP module or compatible uplink cable and network cables separate.

What It Means in Practice

  • Connect eight 10/100/1000/2500 Mbps copper devices and power compatible PoE devices within the shared budget.
  • Use a compatible 1G or 10G module/link in the SFP+ cage.
  • Design redundant external power sources and alarm wiring where required.
  • Use Fast PoE for power delivery shortly after switch power-on without assuming a battery-backed installation.

What Will Not Work

  • 480 W is not the budget specified at 24 V input.
  • Eight simultaneous 95 W loads exceed the maximum shared PoE budget.
  • VLAN pass-through is not configurable managed VLAN functionality.
  • No direct mains input, included PSU, built-in UPS or waterproof housing.

Key Features

 
Multi-gigabit PoE++
Eight 2.5G ports, up to 95 W manufacturer PSE rating per port within total limits.
 
10G uplink
One SFP+ cage supporting compatible 1G/10G connections.
 
Variable-voltage design
24–57 V DC input with budget depending on voltage and actual supply.
 
Industrial installation
IP50 metal housing, multiple power inputs and power-failure alarm.

Technical Specifications

Exact model / conditionTI-BG5091B / New
Copper ports8 × 10/100/1000/2500 Mbps PoE++
Uplink1 × 1G/10G SFP+
PoE PSE per port15.4 W PoE / 30 W PoE+ / up to 95 W PoE++
Shared PoE budget240 W at 24 V input; up to 480 W at 56 V input
Power inputExternal 24–57 V DC, supply separate
No-PD consumption12.4 W at 24 V
Switching / forwarding60 Gbps / 44.64 Mpps at 64-byte packets
MAC / buffer / jumbo4K entries / 1 MB / 12 KB
OperationUnmanaged, auto-negotiation, store-and-forward, VLAN pass-through
Power interfacesPWR1 adapter connector, PWR2/PWR3 terminal inputs and alarm
Alarm relay1 A at 24 V DC
Housing / mountingIP50 black metal / DIN rail or wall
Dimensions / weight134 × 124 × 73 mm / 1.4 kg
Operating environment-40°C to +75°C; up to 95% noncondensing humidity
EAN0710931163094

Frequently Asked Questions

Is this the model without B?
No. This is exact TI-BG5091B, the 24–57 V voltage-booster model.
Does 24 V input allow 480 W PoE?
No. The manufacturer specifies 240 W at 24 V and 480 W at 56 V input, subject to suitable supply capacity.
Is a power supply included?
No. Select a suitable separate supply and do not assume every listed adapter enables maximum PoE output.
Does VLAN pass-through mean managed VLANs?
No. It passes VLAN traffic; configurable managed VLAN features are not established for this model.
Singular Expert Insight

Plan the external power source around real endpoint demand and the input-dependent budget. A high per-port PoE rating does not multiply into unlimited shared power. Use the 10G uplink appropriately, verify optics/cabling and provide protected mounting, grounding and alarm wiring.

Buyer’s Guide

✓ Buy it if You need 2.5G PoE++ access from a planned variable-voltage DC installation.
✕ Skip it if You need managed VLAN controls, included mains power or 480 W PoE from 24 V input.
→ Also consider Input voltage, source capacity, combined PoE load, redundancy, 10G link compatibility and enclosure protection.

Features - Trendnet - TI-BG5091B

Colour
black
Interface
  • Ethernet
Standard
9-Port
Port Speed
  • 2.5 Gbps,
  • 10 Gbps
More Details
Product Code
04:495987
EAN Code
0710931163094
Manufacturer
Trendnet
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