
Doss NF488 3-in-1 PoE Power Tester Portable For LAN Network Cable Black
Features:
- Test the information of the standard PoE device, such as af\at standard, power supply voltage, power supply polarity, and crossover mode.
- Identify the supply voltage, power supply polarity, and crossover mode of non-standard PoE devices.
- Check the short circuit, crossover and open circuit status in the network cable with the far end.
- Test the power consumed by DC appliances.
- The loop-back test function of the switch.
NF-488 Transmitter Specification
Indicator: LCD 128x64 mm, with back light
Continuity function
Cable types: CAT5, CAT6
Check UTP/STP cable: YES
Cable short indicate: YES
Max testing range: 600m
Wire mapping – Emitter + Remote / Emitter + switch/router: Yes
PoE function
Test range: DC5-60V POE switch
Standard identify: 802.3af/at (standard/non-standard)
Test range power: 0-18W
Output interface: YES
Power function
Voltage test range: DC0-60V
Current test range: 0-3A
Power test range: 0-180W
Input voltage protection: DC48V 5mA
Max working current: =80mA
Loopback: Compatible with 10M, 100M, 1000M switch
Power: 3*AAA battery (included)
NF-488 Remote Specification
Ports: RJ45
Function: Wire mapping for network cable
Input voltage protection: DC48V 5mA
Includes:
1 x Power Tester
Features:
- Test the information of the standard PoE device, such as af\at standard, power supply voltage, power supply polarity, and crossover mode.
- Identify the supply voltage, power supply polarity, and crossover mode of non-standard PoE devices.
- Check the short circuit, crossover and open circuit status in the network cable with the far end.
- Test the power consumed by DC appliances.
- The loop-back test function of the switch.
NF-488 Transmitter Specification
Indicator: LCD 128x64 mm, with back light
Continuity function
Cable types: CAT5, CAT6
Check UTP/STP cable: YES
Cable short indicate: YES
Max testing range: 600m
Wire mapping – Emitter + Remote / Emitter + switch/router: Yes
PoE function
Test range: DC5-60V POE switch
Standard identify: 802.3af/at (standard/non-standard)
Test range power: 0-18W
Output interface: YES
Power function
Voltage test range: DC0-60V
Current test range: 0-3A
Power test range: 0-180W
Input voltage protection: DC48V 5mA
Max working current: =80mA
Loopback: Compatible with 10M, 100M, 1000M switch
Power: 3*AAA battery (included)
NF-488 Remote Specification
Ports: RJ45
Function: Wire mapping for network cable
Input voltage protection: DC48V 5mA
Includes:
1 x Power Tester
Description
Features:
- Test the information of the standard PoE device, such as af\at standard, power supply voltage, power supply polarity, and crossover mode.
- Identify the supply voltage, power supply polarity, and crossover mode of non-standard PoE devices.
- Check the short circuit, crossover and open circuit status in the network cable with the far end.
- Test the power consumed by DC appliances.
- The loop-back test function of the switch.
NF-488 Transmitter Specification
Indicator: LCD 128x64 mm, with back light
Continuity function
Cable types: CAT5, CAT6
Check UTP/STP cable: YES
Cable short indicate: YES
Max testing range: 600m
Wire mapping – Emitter + Remote / Emitter + switch/router: Yes
PoE function
Test range: DC5-60V POE switch
Standard identify: 802.3af/at (standard/non-standard)
Test range power: 0-18W
Output interface: YES
Power function
Voltage test range: DC0-60V
Current test range: 0-3A
Power test range: 0-180W
Input voltage protection: DC48V 5mA
Max working current: =80mA
Loopback: Compatible with 10M, 100M, 1000M switch
Power: 3*AAA battery (included)
NF-488 Remote Specification
Ports: RJ45
Function: Wire mapping for network cable
Input voltage protection: DC48V 5mA
Includes:
1 x Power Tester



















