Dect Base Station Connection Variants - Aastra OpenCom 510 User Manual

Interfaces and Connectible Terminals

5.3.3 DECT Base Station Connection Variants

A DECT base station can be connected to either one or two U
■
If the DECT base station is connected to one U
calls or connections can be made through the handsets.
■
If the DECT base station is connected to two U
calls or connections can be made through the handsets.
Please note that it is not possible to establish more simultaneous external connec-
tions than there are external B channels.
To connect a DECT base station to two U
ports on the MS+UPN2-8 interface card: U
is connected to U
pn
setting the DIP switches on the card accordingly. In this configuration, the DECT
base station must be connected to the first U
cable (system telephone cable).
Pin Assignment
1 2 3 4 5 6 7 8
U interface pin assignment
pn
The following table explains the U
Pin Number
1
2
3
4
5
46
port 1, U port 4 to U
pn
interface pin assignment.
pn
interface, four simultaneous
pn
interfaces, eight simultaneous
pn
interfaces, you can combine two U
pn
ports 1+2, 3+4, 5+6 or 7+8 (U
pn
port 3 etc.). Ports are combined by
pn
port of the pair by means of a 1:1
pn
Assignment
Not used
Not used
U a *)
pn
U a
pn
U b
pn
U Ports
pn
interfaces:
pn
pn
port 2
pn