Technical data

PAGE 23
Putting the system into operation
3.5.2 ISDN operating mode
In the ISDN operating mode, up to two handsets or headsets can be connected
for PRETALK. The use of a POTS Telephone is not possible in this operating
mode.
FIG. 6 MINIMUM WIRING IN ISDN OPERATING MODE
The maximum wiring with all options is shown in Fig. 7. Instead of the oper-
ation via the front keypad, the system can also be operated with the use of up
to three PC with Talkmaster XT
®
Software and up to two b-line XT Keypads
connected to the RS232 interface.
FIG. 7 MAXIMUM WIRING IN ISDN OPERATING MODE
Power supply
interface
ISDN
Analogue Audio 1/AES/EBU Input
Analogue Audio 1/AES/EBU Output
interface
Handset/
Headset
Option:
REL2
TTL1
TTL2
TTL3
Programmable
TTL Inputs/Outputs
REL1
Programmable
Relays
Power supply
interface
Analogue Audio 1/AES/EBU Input
Analogue Audio 1/AES/EBU Output
TTL4
Handset 1/
Headset 1
Option:
Handset 2/
Headset 2
Option:
Analogue Audio 2/Clock input
Analogue Audio 2/Clock output
Up to three PCs with
Talkmaster XT
®
Software
Option:
2 x b-line XT
Hybrid Keypad
ISDN
interface