Revision B • 7/00
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18
2 Installation
Module Connections
L
R
A
L
R
B
Trim L
Trim R
A
B
24
1
A CR Mute
B CR Mute
A Studio Mute
B Studio Mute
A Timer Reset
B Timer Reset
RCL Enable
A/B RCL Sel
Lamp Bypass
Cue Reset
Logic Settings
1
2
3 4
5
6 7
8
9
10
INPUT MODULE CONNECTION
Three connectors come standard on each Input mod-
ule: two 6-pin audio input connectors and one 24-pin logic
interface connector. The logic connector is DIP switch set
for use with either the A or B input. An optional B Logic
Interface card (PR&E # 99-1003) can be installed to pro-
vide separate A and B logic control.
The A and B audio inputs support either analog or digi-
tal signals, depending upon the type of Input SIM (Single
In-line Module) installed. For analog audio, an Analog In-
put SIM (PR&E # 99-1001) is installed. It accepts signals
from -10 dBu to +4 dBu, balanced or unbalanced. With a
Digital Input SIM (PR&E # 99-1002) installed, the mod-
ule accepts AES-3 or S/PDIF inputs.
The faceplate Trim L and Trim R controls set the input
reference level when an Analog SIM is installed.
Note:
The two controls are not active when a Digital
SIM is installed.
Refer back to page 8 for connection information on us-
ing unbalanced analog or digital devices with an Input
module.
Typical logic connections are shown on fold-out pages
14, 15 and 16. See Chapter 3
Operation for a description
of the logic functions and audio controls on the module.
The Input module connectors, Logic Settings
switches and Input Trim Controls are hidden
under the meter panel in normal operation.
Logic Connectors
+5 Logic
+5 Logic
+5 Logic
Cough (-)
Off (-)
On (-)
+5 Logic
Start Pulse
Stop Pulse
Logic Gnd
Logic Gnd
Logic Gnd
Ready (+)
Spare Pin
Audio Reset (+)
Ready (-)
Talkback (-)
Audio Reset (-)
Ext. Control In (+)
On Tally
Off Tally
Logic Active Tally
Tally Common
Command Common
12
11
10
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
18
17
16
15
14
13
(wire insertion end view)
Optional B Logic
Interface
Analog Input Signals
Right (+)
Right (-)
Shield
Left (+)
Left (-)
Shield
3
2
1
6
5
4
(wire insertion end view)
Digital Input Signals
no connection
no connection
no connection
High (+)
Low (-)
Shield
3
2
1
6
5
4
(wire insertion end view)
