Adsl Connections; Figure 14 Alarm Pins Layout - ZyXEL Communications IES-1248-51 User Manual

Figure 14 ALARM Pins Layout

3.6 ADSL Connections

Connect the lines from the user equipment (ADSL modems) to the
and the lines from the central office switch or PBX (Private Branch Exchange) to the
Telco-50 connector. Make sure that the
MDF (Main Distribution Frame).
The line from the user carries both the ADSL and the voice signals. For each line, the IES-
1248 has a built-in splitter that separates the high frequency ADSL signal from the voice band
signal and feeds the ADSL signal to the IES-1248, while the voice band signal is diverted to
the CO port. See
Chapter 3 Front Panel Connections
Pin 5
Pin 9
USER
Chapter 4 on page 61 for more information on the Telco-50 connections.
IES-1248-51/51A/53 User's Guide
Pin 1
Pin 6
USER
CO
line and the lines are not shorted on the
Telco-50 connector
CO
59