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TSC-0912 - 09.10.12
Furse, Wilford Road, Nottingham, NG2 1EB • Tel: +44 (0)115 964 3700 • Email:
enquiry@furse.com• Web:
www.furse.comESP TN/JP, TN/RJ11 & ISDN/RJ45 Series
Very low let-through voltage (enhanced protection to BS EN 62305)
between all lines - Full Mode protection
Full mode design capable of handling partial lightning currents as well
as allowing continual operation of protected equipment
Repeated protection in lightning intense environments
Supplied in a sturdy ABS housing ready for flat mounting, or vertically
via TS35 ‘Top Hat’ DIN rail
Substantial earth connection to enable effective earthing
ESP TN/JP, ESP TN/RJ11-2/6, ESP TN/RJ11-4/6 and ESP TN/RJ11-6/6 are
suitable for telecommunication applications in accordance with
Telcordia and ANSI Standards (see
Application Note AN005
)
Features and benefits
For PSTN (e.g. POTS, dial-up, lease line, T1/E1, *DSL and Broadband) use
ESP TN/JP or TN/RJ11
ESP TN/JP and ESP TN/RJ11… are suitable for use on telephone lines with
a maximum (or ringing) voltage of up to 296 Volts
For telephone lines with a British style, jack plug and socket connection,
use ESP TN/JP
For telephone lines with RJ11 connections protect the middle 2 (of 6)
conductors with ESP TN/RJ11-2/6, the middle 4 (of 6) with ESP TN/RJ11-4/6
or all 6 with ESP TN/RJ11-6/6
For S/T interface ISDN lines, use ESP ISDN/RJ45-4/8 and ESP ISDN/RJ45-8/8
For S/T interface ISDN lines with RJ45 connections protect the middle
4 (of 8) conductors (paired 3&6, 4&5) with ESP ISDN/RJ45-4/8, or all
8 (outside pairs 1&2, 7&8) with ESP ISDN/RJ45-8/8
For further information on RJ45 ISDN applications, see separate
Application
Note AN002
and for global telephony applications, see separate
Application
Note AN005
(contact us for a copy).
Application
Combined Category D, C, B tested protector (to BS EN 61643)
suitable to protect telephony equipment plugged into a BT
telephone (BS 6312), Modem (RJ11) or ISDN (RJ45) socket. For use at
boundaries up to LPZ
0
B
to protect against flashover (typically the
service entrance location) through to LPZ 3 to protect sensitive
electronic equipment.
ESP CAT5e/UTP-1
1 metre cable with RJ45
connections
Accessories
Connect in series with the
telephone or ISDN line. These
units are usually installed close to
the equipment being protected
and within a short distance of a
good electrical earth.
Installation
ELECTRONICSYSTEMSPROTECTION
Plug-inLightningBarrier
WilfordRoad,
Nottingham,
NG2 1EB,UK
Plug-in series connection for ESP TN/JP
(above) and ESP TN/RJ11-2/6, 4/6 & 6/6
(below) and ESP ISDN/RJ45-4/8 & 8/8
(bottom)
DIRTY
CLEAN
To
phone
socket
From
equipment
Earth
An ESP TN/RJ11-4/6 protecting an external
fax line. Note the short earth connection
made to the local ring main
ELECTRONICSYSTEMSPROTECTION
Plug-inLightningBarrier
WilfordRoad,
Nottingham,
NG2 1EB,UK
DIRTY
CLEAN
To
phone
socket
From
equipment
Earth
ELECTRONICSYSTEMSPROTECTION
Plug-inLightningBarrier
WilfordRoad,
Nottingham,
NG2 1EB,UK
DIRTY
CLEAN
To
ISDN line
From
equipment
Earth
For non-ISDN wire-in applications the
high performance ESP TN or ready-
boxed derivative ESP TN/BX or
ESP TN/2BX can be used. Protect PBX
telephone exchanges and other
equipment with LSA-PLUS connections.