Expansion Modules
Installation Manual Page 29
IP Office 2.1 40DHB0002USCL Issue 10c (11th May 2004)
IP400 So8
The So8 Module is only applicable to countries that support the ETSI signaling protocol (see Expansion
Modules).
• BRI Ports
These are 64k ISDN BRI S-Bus ports and are used for connection to ISDN Telephones, Group 4
faxes, Video conferencing units, etc.
WARNING:
BRI phone ports must not be connected to the external ISDN Connections.
• Expansion Port
Used to connect a So8 Module to the Expansion Ports of an IP Office platform.
• DC Power I/P Socket
Socket for the external 24V DC unregulated power supply (supplied with kit).
• DTE Port
A 25-way D-type socket. Used for connection to PC (as a diagnostic aid).
IP400 So8 is supplied with one blue Expansion Interconnect cable.
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