![background image](/i/zyxel/148487/zyxel-ies-6000/h/zyxel-ies-6000-042.png)
Chapter 2 Hardware Installation and Connections
IES-6000M User’s Guide
42
Alternatively, use a Telco-50 cable to connect the SEC1024s
USER
Telco-50 connector
directly to the Main Distribution Frame when no ADSL/VDSL service is required (see
2.4.2 Splitter Chassis Rear Panel Connections (DSL)
A DSL splitter card separates the voice signal from the DSL signal. It feeds the DSL signals to
the DSL line card and diverts the voice signal to the
CO
Telco-50 connector (or wire wrapping
pins) on the splitter chassis’ rear.
Connect the
CO
Telco-50 connectors to the PBX or PSTN/ISDN switch when using the
ADSL splitter card.
Connect the
USER
Telco-50 connectors to the subscribers’ telephone wiring. In most multi-
tenant unit applications, the
USER
pins connect to the subscribers’ telephone wiring via Main
Distribution Frame (MDF).
See
for example splitter chassis rear panel connections.
2.4.3 Splitter Chassis Rear Panel Connections (VoIP)
When using the VoIP line card in conjunction with an ADSL or VDSL card and its associated
splitter card(s), connect the VoIP line card’s extension card(s) and the DSL splitter card(s) as
follows.
"
Use 180-degree Telco-50 cables for VoIP rear panel connections (see
for information on 180-degree Telco-50 cable length).