SC4x0 Technical manual
Page 6 of 34
SeaCom
Rev
2.00
1. INTRODUCTION
1.1 Purpose and Scope
This document is intended to give detailed information on the SC4x0/P4x0 telephone during
installation. Information given here is intended for skilled service engineers and if not use
correct, could lead to possibly malfunction.
This manual cover installation and setting up the telephone e.i. adjusting parameters etc.
1.2 Required approval information
P410 is an alias for SC410, P420 is an alias for SC420, where SC is short for SeaCom and P
is Phone( Alphatron label).
•
The
SC410
is intended for desk mounting in
protected
areas.
•
The
SC420
is intended for bulkhead mounting in
protected
areas.
•
SC410 & SC420 are designed according to IEC 60945.
•
Keypad is according to ITU-T E.161
•
Compass safe distance: >7m.
•
Software ID. : 2007001
•
Software rev.: 091007
•
All produced units are marked with type id and serial number.
WARNING
Do not disassemble the device as high voltage may present on the PCB or terminals.
Telephone line signal may contain voltage ranging from 48Vdc up to 130Vac peak.
Always switch off ALL power or disconnect ALL terminals before disassemble.
DO NOT REMOVE PROTECTIVE EARTH (PE) when device is operational.
ONLY CONNECT POWER TO SUPPLY TERMINALS & RELAY TERMINALS.
IF SUBJECTED TO EXCESSIVE CURRENT PCB MAY CATCH FIRE, THEREFOR
ALWAYS USE FUSED POWER SUPPLY ESPECIALLY ON RELAY TERMINALS.
PROTECTIVE MEASURES ARE TAKEN TO PROTECT THIS EQUIPMENT.
DEVICE WILL TRY TO DISCONNECT IT SELF BY SHORTING THE SUPPLY VOLTAGE IF
IT EXCEEDS 33V.
DEVICE WILL TRY TO DISCONNECT IT SELF BY SHORTING THE SUPPLY VOLTAGE IF
CONNECTED WITH REVERS POLARITY.
DEVICE IS INTERNALLY SEQURED BY A THERMAL FUSE OF 1.5A, HOWEVER. PEAK
CURRENT EXCEEDING 1.5A WILL OCCUR UNTIL FUSE IS TRIPPED.
