Teseq ISN PLT Impedance Stabilization Network (ISN) for Power Line Telecommunication (PLT)

The ISN PLT-A is made for measurements on PLT devices which use one port for mains power supply and telecommunications (PLT port). It is conform with the requirements of EN 50561-1. Included in the delivery is the Coupling Unit (CU) as given in figure 3 of the standard.

Features & Specifications of Teseq ISN PLT:

• Max. operating voltage: 250 VAC, 50 Hz, Mains L / N / PE
• Max. operating current: 10 A
• Test voltage: 1.5 kV AC, 2 s
• Mains sockets EUT / AE: 4 mm, safety
• RF sockets: BNC, 50 Ω
• Frequency range: 1.6 MHz to 30 MHz
• Common mode impedance: 25 Ω ±3 Ω
• Phase angle: 0° ±25°
• Differential mode impedance: 100 Ω ±10 Ω
• Phase angle: 0° ±25°
• Voltage division factor: 0 dB ±1 dB
• Isolation (common mode): >55 dB
• Insertion Loss – symmetric: <3 dB
• LCL: >55 dB
• Coupling Unit
• Max. operating voltage: 250 VAC, 50 Hz, Mains L / N / PE
• Max. operating current: 10 A
• Mains sockets Coupling Unit: Schuko
• Common mode decoupling attenuation *): >40 dB
• Insertion Loss (differential mode) *): >40 dB

*) Parameters are only valid for a test setup with two identical AMNs like NNB 51 or NNB 52 All symmetrical parameters are only valid for a symmetrical impedance of 100 Ω

Mechanical specifications

• Size (W x H x D) in mm: 185 x 100 x 100
• Size of the base plate in mm: 235 x 100
• Weight: approx. 1450 g
• Size of the Coupling Unit (W x H x D) in mm: 95 x 63 x 85 (each box)
• Cable length of the Coupling Unit: approx. 0.8 m
• Weight of the Coupling Unit: approx. 260 g