Product manual

EAP01 - Product Manual
4 Connections
4.1 DIN Rail Terminal Allocation
Table 1 EAP01 Terminal Allocation
Terminal Connection Description
1 AUDIO +
+VE
Balanced Audio Output
Level: 0 dBu (nominal)
Output impedance: 66 Ω
2
AUDIO −
–VE
As above
3 DATA-DXP
Data+
Microphone control data
EIA RS485 19200 baud
Required for optional Busy indicator only.
4 DATA-DXN
Data–
As above
Required for optional Busy indicator only.
5 +24V INPUT 18 V – 40 V Supply Input
6 0V INPUT Supply 0V
SCREEN
Connection for cable screen
(bonded to DIN rail)
7 PTT +
Connection from Press To Talk button
(fitted internally with 6k8/470 Ω resistors)
8 PTT – As above
9 COMMON LED +
Connection to Anode of Speak Now and System
Fault indicators
10
SPEAK NOW LED – Connection to Cathode of Speak Now indicators
(built-in series resistor)
11
SYSTEM FAULT LED – Connection to Cathode of System Fault
indicators
(built-in series resistor)
5
7
8
9
10
6
3
4
1
2
11
SCREEN
Connection for cable screen
(bonded to DIN rail)
Issue: 02 complete, approved
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