|  Use on
lines running within buildings.
Use to protect PCs and
other computer equipment.
Use to protect systems
using 9, 15 or 25 pins.
Suitable for equipment
using "D" connectors - DB-9, DB-15 and DB-25.
For Asynchronous RS 232
systems, use ESP LA-5/25.
For RS 232 systems, use
ESP LA-25/25, ESP LA-9/9 or ESP LA-15/15.
For RS 422, RS 423 and
RS 485 systems, use ESP LB-9/9 or ESP LB-15/15
For coaxial Ethernet cables running external to the building use
the ESP Thin/ThickNet models. For Cat 3, 4 or
5 cabling with RJ45 connections (running external to the building) use
the ESP Net-100. For local protection of Cat
3, 4 or 5 cabling with RJ45 connections running within a building use
the ESP LN series.
Application
Use on cables running within a building to protect equipment locally
from transients induced onto data cables from the magnetic field caused
by a lightning strike.
Features and benefits
 Let-through voltage
below equipment susceptibility levels.
Negligible in-line
resistance.
ESP LA-5/25 protects
pins 1, 2, 3, 7 & 20 to earth/shell. Note pin 1 is connected to earth.
ESP LA-25/25 protects
all pins. Note pin 1 is connected to earth/shell.
ESP LA-9/9, ESP LB-9/9,
ESP LA-15/15 and ESP LB-15/15 protect all pins.
Sturdy plastic housing.
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Male/female connectors
allow easy plug-in installation without rewiring.
Earthed via shell and
supplementary earth strap.
Installation
Simple plug-in connection to the communication port, between the equipment
to be protected and its incoming data cable. Make suitable attachement
to earth.
Technical Note
ESP LA... and ESP LB... protectors are designed only for use on cables
running within a building, and therefore will not be able to handle the
higher level transients that occur when lines between buildings are protected.
They should not be used in such an application. If they are used in lines
between buildings, there is a high risk of the protector being overloaded
and destroyed during transient activity. Connected equipment will, in
most cases, still be protected, but there is a small risk that equipment
will suffer damage in such circumstances.
ESP LA LB Brochure
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