3Com Access Builder 7000 User Manual - page 3
I
M
P
O
R
T
A
N
T
S
A
F
E
T
Y
I
N
F
O
R
M
A
T
I
O
N
WARNING:
Warnings contain directions that you must follow for your
personal safety. Follow all instructions carefully.
Please read carefully and thoroughly the following information before
installing the AccessBuilder
7000 B
ridge/Router Module:
■
Exceptional care must be taken during installation and removal of the
module.
■
The safety status of the interconnection port on this equipment are as
follows:
Ports identified by the label ISDN = TNV
Ports identified by the labels MANAGER, LAN and WAN = SELV
TNV (telecoms network voltage) is a circuit which under normal
operating conditions carries telecommunication signals.
SELV (safety extra low voltage) is a secondary circuit which is designed
and protected so that under normal and single-fault conditions, the
voltage between any two accessible parts does not exceed a safe value
(42.2 V peak or 60 V DC).
Only connect apparatus complying with the relevant interface
requirements to the ports on this unit.
WARNING: Twisted Pair RJ45 data port.
This is a shielded RJ45 data
socket. It cannot be used as a telephone socket. Only connect RJ45 data
connectors to this socket.