2891851 Phoenix Contact, 2891851 Datasheet - Page 9
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2891851
Manufacturer Part Number
2891851
Description
SWITCH ETHERNET 4/RJ45-SC F/OPT
Manufacturer
Phoenix Contact
Type
Ethernetr
Specifications of 2891851
Features
4 Ports
Product
Switches
Usoc Codes
RJ45
Number Of Ports
4
Gender
Female
Shielding
Shielded
Current Rating
140 mA
Voltage Rating
24 V
Housing Material
Aluminum
Contact Material
Copper Alloy
Contact Type
RJ45
Number Of Rows
1
Operating Temperature Range
0 C to + 60 C
Brand/series
SFN Series
Phoenix Part Number
FL SWITCH SFN 4TX/FX
Primary Type
Switch
Protocol Type
Ethernet
Special Features
Auto Detection, Auto Crossing
Transmission Speed
10/100 MBit/s
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
EMI, noise immunity can be increased by an additional low-
impedance connection to functional earth ground.
Figure 3
Figure 4
2732_en_A
US1
+
–
FL SWITCH SFN…TX… power connection
FL SWITCH SFN…GT… power connections
for single power supply
GND
US
+
GND
US2
–
GND
R1
R2
Figure 5
Use power conductors between 0.2 - 2.5 mm²
(24 - 12 AWG). Torque connection screws to 0.5 - 0.6 Nm
(5 - 7 lb-in.).
6.4
The FL SWITCH SFN… switch provides contacts (R1, R2)
for remote alarms if a failure is detected.
–
–
The maximum current, including inrush, is 100 A.
6.5
The FL SWITCH SFN… has five Ethernet ports on the front
in RJ45 format to which only twisted-pair cables with an
impedance of 100
transmission speed is 10/100 Mbps. In addition, every port
The contact closes if one or both power supplies fail.
The contact opens if power is OK.
US1
Alarm Contact
Ethernet Interface
+
FL SWITCH SFN…GT… power connections
for redundant power supply
GND
–
US2
can be connected. The data
+
GND
–
R1
PHOENIX CONTACT
FL SWITCH SFN…
R2
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