4 port Unmanaged Hardened Fast Ethernet PoE Switch going obsolete
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Unmanaged Hardened Fast Ethernet PoE Switch
(4) 10/100Base-TX Ports + (1) 100Base-FX Port




The SISTP101x-141-LRT Ethernet switch family contains simple “Plug-and-Play” multi-port switches used at the edge of a hardened network to provide connections for PoE devices. Depending on the model, these switches can provide multimode or single mode fiber connections with SC or ST connectors for extended distance communications up to 30 kilometers. These switches provide 15.4 Watts per port on all ports simultaneously, have redundant input power connections, and a fault alarm relay to ensure safe reliable operation in temperatures between -40°C and +75°C.

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  • Auto-Negotiation
  • Auto-MDI/MDIX
  • Full Wire Speed Performance with 1Gbps Backplane
  • (4) port integrated PoE injector with full 15.4 Watts per port on data pairs
  • IEEE 802.3af Power-over-Ethernet Compliant
  • Extended operating temperature (-40°C to 75°C)
  • Dry Contact Relay Alarm Output
  • Dual, Redundant 48 VDC Power Inputs
  • Reverse Polarity Power Input Protection
  • Overload Current Protection
  • DIN Rail Mounting and Wall Mount Brackets Included
  • Store-and-Forward Architecture


Standards IEEE 802.3
IEEE 802.3af
IEEE 802.3u
IEEE 802.3x
Status LEDs PWR 1 (Power): ON = primary power connected
PWR 2 (Power): ON = backup power connected
FAULT: ON = power input failure on PWR1 or PWR2
PWR FWD (ports 1-4): ON = PoE power output
LNK/ACT (ports 1-5): ON = Link;
FLASHING = data transmitting
FDX/COL (ports 1-4): ON = Full-duplex mode;
FLASHING = collisions occurring
Dimensions Width: 1.2” [30 mm]
Depth: 3.7” [95 mm]
Height: 5.5” [140 mm]
Power Consumption 4.6 Watts (without PoE);
66 Watts (Full load with PoE)
Power Input 48 VDC; redundant inputs (removable terminal
block), additional barrel connector
Ingress Protection IP30
Environment Operating: -40°C to 75°C
Storage: -40°C to 85°C
Humidity: 5% to 95% (non-condensing)
Altitude: 0 – 10,000 ft.
Weight 1.4 lbs. [0.64 kg]
Compliance Safety: UL, cUL, CE/EN60950-1
Emissions: CISPR22/EN55022, EN60950 Class A,
FCC ClassA, CE Mark,CE
Immunity: EN61000-4-2, CE EN61000-4-3, CE EN-
61000-4-4, CE EN61000-4-5, CE EN61000-4-6,
CE EN61000-4-8, CE EN61000-4-11, CE EN61000-
6-2, CE EN610006-4,
Environmental: IEC60068-2-32 (Free fall),
IEC60068-2-27 (Shock), IEC60068-2-6 (Vibration)
Warranty Lifetime

Ordering Information

SKU Description  

(4) 10/100Base-TX (RJ-45) [100 m/328 ft.]
to 100Base-FX 1310nm multimode (ST)
[2 km/1.2 mi.] Link Budget: 11.0 dB

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(4) 10/100Base-TX (RJ-45) [100 m/328 ft.]
to 100Base-FX 1310nm multimode (SC)
[2 km/1.2 mi.] Link Budget: 11.0 dB

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(4) 10/100Base-TX (RJ-45) [100 m/328 ft.]
to 100Base-FX 1310nm single mode (SC)
[30 km/12.4 mi.] Link Budget: 17.0 dB

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