MP-40x SIP MediaPack BRI Series
SIP User's Manual
28
Document #: LTRT-53301
¾
To connect the MediaPack's RS-232 interface, take this step:
Using a standard RS-232 straight cable (not a cross-over cable) with DB-9
connectors, connect the MediaPack's RS-232 port (labeled
RS232
) to either the
COM1 or COM2 RS-232 communication port on your PC.
The required connector pinouts and gender are shown below in
639H659H
Figure
3-9
.
Figure
3-9: MediaPack RS-232 Connector Pinouts
3.4.5
Connecting the Lifeline Port
To implement the Lifeline feature, port
S/T 0
must be configured as network port. When a
power outage occurs, the lifeline phone (connected to port
S/T 0
) can continue making
calls (although this time, through the PSTN network, not the WAN).
¾
To connect the Lifeline port take the next 2 steps:
1.
On the MediaPack's rear panel, connect the ISDN telephone to S/T port (labeled
S/T
O
).
2.
On the MediaPack's rear panel, connect the PSTN network to the lifeline port (labeled
Lifeline
).
Figure
3-10: Trunk Lifeline Cabling
