IP500/IP500 V2 Installation Page 243
15-601042 Issue 25i (03 January 2013)IP Office 8.0
System Components: IP400 Trunk Cards
9.7.1 Analog Trunk Card Uni (ATM4U)
This card supersedes the previous Analog Trunk cards and is referred to as the "ATM4U". It can be identified by a label on
the base of the card.
The card is supported on IP Office software 2.1(36) and higher. Unlike the previous ATM4 card, the same ATM4U card
variant can be used in all locales.
For systems running IP Office software 3.1 or higher, the echo cancellation used on each trunk can be switched off or on
(16ms).
The card provides 4 RJ45 sockets for analog trunk connections . The card only supports loop-start trunks. For ground-
start trunks an Analog Trunk expansion module should be used.
· Power Failure Operation
There are no power failure extension connections provided for the analog trunk card. If this is a requirement, the
ATM16 expansion module should be used.
· WARNING
In all IP Office installations, any module or control unit using analog trunk connections must be connected to a
functional earth .
· WARNING
Within the Republic of South Africa and in areas of high lightning risk, any module or control unit using analog trunk
connections must be connected to a protective ground and to surge protection equipment .
· The card includes two plastic stand off pillars for installation and a replacement blanking plate for the rear of IP400
control units.
· For the IP500 and IP500 V2 control units, an IP500 Carrier Card is required, up to a maximum of 2 IP500 Carrier
Cards.
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