Echo EN55022 manual Appendix a Warnings, This Equipment Must be Earthed, Grounded

	APPENDIX A WARNINGS
WARNING:	THIS EQUIPMENT MUST BE EARTHED/
	GROUNDED
	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.
WARNING:	INSTALLATION OF EQUIPMENT
	Installation of this equipment must only be
	performed by suitably trained service
	personnel.
WARNING:	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 and CH2 (Channel ports)
	v)	EXT CLOCK
	vi)	ALARM port
	vii)	AUI port
	viii)	10BASE-T 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.

Echo LANlink Router Option User Manual Issue 1.0 04 December 1997 Page 44 of 59