Appendix A - Warnings - Black Box Echo Series User Manual

Echo 2 Mbps Multiplexer
WARNING:
GROUNDED
WARNING:
WARNING:
30
SALES: 0118 965 5100

Appendix A - Warnings

THIS EQUIPMENT
This equipment relies on the EARTH / GROUND connection to
ensure safe operation such that the user and TELECOM Network
are adequately protected. It must not under any circumstances be
operated without an earth connection, which could nullify its
approval for connection to a network.
INSTALLATION OF EQUIPMENT
Installation of this equipment must only be performed by suitably
trained service personnel.
CONNECTION OF OTHER EQUIPMENT
This equipment allows connection only of suitably approved
equipment to its ports, the safety status of which are defined
below.
SELV Ports:
i) Supervisor port
ii) MAIN port
iii) D&I port
iv) CH1 to CH4 (Channel ports)
v) EXT CLOCK
vi) ALARM port
The above named ports are classified as SELV (Safety Extra Low
Voltage) in accordance with in Clause 2.3 of EN60950 (BS7002,
IEC950 as applicable), and must only be connected to equipment
which similarly complies with the SELV safety classification.
MUST BE EARTHED /