Nortel Networks 1000E User Manual
Page 64

Page 64 of 466
System components
NN43041-310
Standard 01.11
October 2008
Connectors
(rear)
•
The 25-pair cable connectors at the back panel
(see Figure 9 on
) provide access to the
cross-connect terminal (Main Distribution Frame).
•
The AUX port connects a Power Failure Transfer
Unit (PFTU) to the Media Gateway.
•
The Attachment Unit Interface (AUI) is used with
earlier version SSC which require a Media Access
Unit (MAU).
•
The SDI connector in the Media Gateway
provides an interface for a three-port SDI cable.
For MG 1000E this cable is not used unless
maintenance access using TTY0 is desired.
•
The DS-30X and CE-MUX cables connect the
Media Gateway to the Media Gateway Expander.
DIP switches
•
DIP switches are available to set the ringing
voltages, ringing frequencies, and message
waiting voltages. See Figure 10 on
.
Table 4
Media Gateway profile (Part 3 of 3)
Property
Description