Manual Voice Server Espero © Vidicode 2009
146
T+
T+
T+
T+
5
Output = T
Output = T
Output = T
Output = T----
R
R
R
R----
Input = R
Input = R
Input = R
Input = R----
T
T
T
T----
6
x
xx
x
x
xx
x
x
xx
x
x
xx
x
7
x
xx
x
x
xx
x
x
xx
x
x
xx
x
8
x
xx
x
x
xx
x
x
xx
x
x
xx
x
Seen on the back of the PRI Pin 1 is on the
right-hand
side of the RJ45
connector.
The PRI interface circuits support the ‘Short Haul’ interface
implementation. Generally, this means that the hazard protection
scheme of the PRI E1-interface allows wiring inside buildings only.
3
3
3
3 ---- Cable Specification suggestion
Cable Specification suggestion
Cable Specification suggestion
Cable Specification suggestion
24AWG / 2 pairs / 100-120 ohm impedance, no shielding required.
Generally CAT 2 cable or better will work fine.
4
4
4
4 –
––
– For use in The Netherlands only
For use in The Netherlands only
For use in The Netherlands only
For use in The Netherlands only
The pin assignment on the PRI allows the use of standard 1:1 CAT 5
network cable for the connection to the incoming line from the provider
unit and the outgoing connection to the PBX. It has shown that this is
also the situation for many other countries.
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