AGFEO AS 181 plus, User Manual

Page: 18 / 220

I - 10
Installation
You can connect up to 8 ISDN devices like on a PTMP connection on the internal SO Bus of
the System.
ISDN Apparatus:
Digital AGFEO System Phones (max 2 digital phones per SO Bus)
-ISDN -Telephones
-ISDN -PC-Cards
-ISDN –Fax machines
Up to four ISDN devices without additional power may be connected. For example: 4 ISDN
Telephones or 2 Digital System Phones plus 2 ISDN Telephones.
Connections of further ISDN devices will need their own power source.
ISDN Apparatus must use the DSS1 protocol.
You will need the following material to install an internal SO Bus.
Telephone wire CW1308 (minimum 2 pair) or CAT5 Cable
RJ45 Sockets max. 12 per Bus
2 Termination Resistors, 100 Ohm 0.25 W
Maximum SO Bus length will be 130 m. (Telephone System to last RJ45 Socket)
Termination Resistors for the Internal SO Connection
The internal SO Bus must be terminated. Install two 100 Ohm Resistors in the last RJ45
Socket
(See Diagram). Both DIP Switches (see Page 1-6) must be closed (or set to on)
Internal S0-Connection
First Pair: a1, b1
Second Pair: a2, b2
b1
b2
a1
a2
S
0
- internal
100
Ω
1
UAE
2 3 4 5 6 7 8
1
UAE
2 3 4 5 6 7 8
1
UAE
2 3 4 5 6 7 8
1
UAE
2 3 4 5 6 7 8
100
Ω
Max distance
S0 Bus: 130 m
Colour Code for Telephone Cable CW1308
SO Bus
Contact Colour
a1 4 Blue/white Bands
b1 5 White/Blue Bands
a2 3 White/Orange Bands
b2 6 Orange/White Bands
Colour Code for T568B (CAT5)
SO Bus
Contact Colour
a1 4 Blue/White
b1 5 White/Blue
a2 3 White/Green
b2 6 Green/White
Colour Code for T568 A (ISDN)
SO Bus
Contact Colour
a1 4 Blue/white
b1 5 White/Blue
a2 3 White/Orange
b2 6 Orange/White
Most common used standard for SO Bus
installation is T568B (CAT5)
Ensure that pairs are not mixed up.