ZETRON 025-9581M, Installation And Maintenance Manual

Page: 100 / 196

Basic System Configuration on the Bench
100 025-9581M
Table 2: Pinout for Digital Input 1
Figure 36: Audio and Digital Input Interface Connections
Pin # Signal Description
1 Audio , goes to channel card input (RX)
2 Digital Input, goes to channel card PTT Normally Open
3 Audio Input + , goes to channel card audio output (TX)
4 Audio Input - , goes to channel card audio output (TX)
5 Digital Input, from channel card PTT Common
6 Audio Output - , goes to channel card input (RX)
Note The PTT signal input from the dispatch console channel card is
required for installations using radio to distribute PA audio to
stations or if customers wish to have PA Ready remain enabled
while the dispatch operator is speaking. The only alternative is
setting a fixed delay after key up, which gives the operator a pre-
set window within which to complete all announcements.
Audio and Digital Input Interface
950-0690
To network switch
Mic In / Pink
Line Out /
Speaker /
Green
Combined FSA Server and
VoIP Gateway Server
Keyb. Mouse
Network
Au
di
o I
n
A
udi
o O
ut
VGA
USB
Di
gi
ta
l O
ut
Left Audio
In & Out
Digital Input 1
To Dispatch Console
Channel Card
Audio and PTT
Not Used
USB to Serial
Adapter
Use the Zetron-
supplied sound card
709-7000
(Depending on the console
interface, you may have to rework
the other end of the cable.)
709-0001
802-0487
709-0055