Ccu Connections - Mitel 300 Installation And Maintenance Manual

Connector pin- out

CCU connections

The CCU has the following connectors:

Eight four-way krone connectors for the Extensions

Two four -way krone connectors for the PSTN Lines. Two lines are terminated on
each connector.

Three RJ45 connectors for the Basic rate ISDN interfaces. Two T
connections and one Internal S

One RJ 45 for the ISDN Primary Rate interface PRI.

One RJ11 connector for Serial Interface RS232 (V24)

A two-position screw terminal for a doorstrike connection, labelled as "DS"

An Electrostatic Precaution (ESP) connector.

A reset switch is provided which provides a warm reset.

Two 2 pole switches are provided which provide the 100 ohm terminating resistance
for the ISDN Basic Rate terminations, SW1 and SW2.
Mitel 3000 Australia Installation and Maintenance Manual
Function
A Speech
B Speech
C Data
D Data
Standard 4-Wire IDC Krone connector
A Speech - RJ 11 Pin 3
B Speech - RJ 11 Pin 4
C Data - RJ 11 Pin 2
D Data - RJ 11 Pin 5
connector.
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RJ 11 pin out
Pin 3
Pin 4
Pin 2
Pin 5
network
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