![background image](http://html.mh-extra.com/html/shure/uhf-wireless-microphone-system/uhf-wireless-microphone-system_user-manual_1262462034.webp)
ENGLISH
33
APPENDIX: NETWORK INTERFACE PIN MAP
The U4S and U4D receivers both have a 25–pin network interface located on the
rear panel. The interface allows future monitoring and control of all receiver func-
tions, including audio level, RF level, and “A/B” diversity indication, from a remote
location via an interface device. The table below identifies the signal output by each
pin on the connector. Contact you Shure dealer for addition information.
NOTE:
Using any of the pins in the shaded area could result in system mal-
function or damage to your receiver.
Pin
Receiver 1
(Left)
Receiver 2
(Right)
Connection
Connection
Type
Impedance
Voltage
Range
1
Ground
Ground
Not
Applicable
0 V
2
Audio
Meter
Analog
Output
1.2 k
Ω
0–2 V
Typical
0–5 V Ma-
ximum
3
RF Level B
Analog
Output
2.5 k
Ω
1–4 V
4
RF Level A
Analog
Output
2.5 k
Ω
1–4 V
5
Diversity B
Analog
Output
2 k
Ω
1–4 V
6
Diversity A
Analog
Output
2 k
Ω
1–4 V
7
Network In-
terrupt
Digital
Input
Not
Applicable
1–4 V
8
Network In-
terrupt
Digital
Output/Busy
Not
Applicable
1–4 V
9
Serial Data
Output
Digital
Output
Not
Applicable
1–4 V
10
Serial Data
Input
Digital
Input
Not
Applicable
1–4 V
11
5V
Not
Applicable
5 V
12
5V
Not
Applicable
5 V
13
5V
(indicates
unit is dual
channel)
Not
Applicable
1–4 V
14
Audio
Meter
Analog
Output
1.2 k
Ω
0–2 V
Typical
0–5 V Ma-
ximum
15
RF Level B
Analog
Output
2.5 k
Ω
1–4 V
16
RF Level A
Analog
Output
2.5 k
Ω
1–4 V
Summary of Contents for UHF WIRELESS microphone system
Page 1: ......