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INSTRUCTION MANUAL
LI-3P-2x Series
3-PHASE LINE IMPEDANCE STABILIZATION NETWORKS (LISNs)
SECTI ON 3 -
PRODUCT INFORMATION
1912 1 E l T o ro R d
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Si l vera do, Ca lifo rni a 9 26 76
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(9 49) 459 -96 00
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co m-p o wer. com
REV031418
3.4 Product
Features
FIGURE 1 -
Product Features – Front Panel and Top View
LED Indicators for Line Under Test
1
These (4) LEDs, labeled L1, L2, L3 and N are active when the LISN is under remote control.
Only (1) LED is illuminated at any given time; indicating which line is under test.
Fiber Optic Port
2
Fiber optic port for connection to RLI-100 Remote LISN Interface.
DC Power Port for Fiber Optic Interface Circuit.
3
This is the DC Power Input port for the fiber optic interface circuit. The output cable of the
included 6 VDC, 500 mA unregulated AC Power Adapter connects to this port.
EUT Output Power Port
4
Power port to which the EUT power input cable connects.
LISN Base Plate
5
The unpainted LISN base plate is intended to be bonded to the site reference ground
plane. Please refer to section 5.1 for installation information and grounding precautions.
Pin-out Diagram of EUT Power Output Port Connectors.
6
Shows the pin arrangement for the EUT power output port connectors.
Ground Stud
7
Provides a ground connection point at the same electrical potential as the base plate and
ground conductor.
EMI Measurement Port
8
Coaxial, female N-type connector intended to be connected to the 50 ohm RF input of the
measuring instrument, via an external 10 dB attenuation pad or transient limiter with 10 dB
attenuation.
Test Lead Selection Switch
9
This is a four-position switch used to select the line under test when operated locally.
EUT Power Input Port
10
Power port to which the EUT power source connects to the LISN.
Air/Heat Outlets
(LI-3P-263 and LI-3P-2100 models only)
11
Air/Heat outlets protected by steel mesh. Do not block any ventilation openings.
