
Note
: Use These Instructions for
ULC Installations
Note
: To be ULC CAN/ULC-S304-06 compatible, power for
network equipment as hubs, switchers, routers, servers, modems,
etc., shall be backed up or powered by a Listed UPS, stand-by battery
or the control unit, capable of facilitating 24 h standby, compliant
with Clauses 16.1.2 and 16.4.1 of CAN/ULC-S304-06.
Where such cannot be facilitated, the control unit shall support back-
up communications for a secondary communications path, subject to
the following:
A
Low Risk and Medium Risk shall use a dialer as a minimum;
B
High Risk shall use cellular control channel or long range radio as
a minimum; and
C
Very High Risk shall be equipped with 24h standby power. (ULC
CAN/ULC-S304-06 : 11.4.2.9 and 11.4.3.3)
Note:
To be ULC CAN/ULC-S S304-06 compatible, the Internet
Service Provider (ISP) providing service must meet the following
requirements:
•
have redundant servers/systems,
•
back-up power,
•
routers with firewalls enabled and
•
methods to identify and protect against “Denial of Service”
attacks (for example, via “spoofing”).
LNI 2000 Installation Manual
21