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Connection to Supply Mains
IMPORTANT: The wires in the mains lead supplied with this equipment are coloured in accordance with the
following code:
Blue — Neutral
Brown — Live
As the colours of the cores in the mains lead of this equipment may not correspond with the coloured markings
identifying the terminals in your plug, proceed as follows:
• The core which is coloured blue must be connected to the terminal which is marked with the colour N or
coloured black.
• The core which is coloured brown must be connected to the terminal which is marked with the letter L or
coloured red.
Safety Notice
For pluggable equipment, the mains socket outlet shall be installed near the equipment and be easily accessible.
Interconnection circuits between this modem and any other equipment should be such that the equipment
continues to comply with the requirements of EN41003 for TNV (Telephone Network Voltage) circuits and
EN60950 for SELV (Safety Extra Low Voltage) circuits after making connection between circuits.
The power supply must be properly connected and switched on before the modem will work correctly.
Technical Specifications
Table 1 shows technical specifications that are unique to 3800Plus modems installed in the United Kingdom.
Table 1
Technical Specifications for the United Kingdom
Specifications
Description
TRANSMIT LEVEL
Leased Line –13 dBm (factory default setting)
Dial Line –9 dBm (factory default setting)
These settings can only be changed by qualified service personnel.
TELEPHONE INTERFACE
Leased-Line Connectivity 8-position modular jack (3810
Plus
requires VF cord with BT631A-type
modular plug)
50-pin mass termination (3811
Plus
)
Dial-Line Connectivity 8-position modular jack (3810
Plus
requires VF cord with BT431A-type
modular plug)
50-pin mass termination (3811
Plus
)