NXR-901
37
TERMINAL FUNCTION
Microphone Connector
Pin
No.
Pin Name I/O
Signal
Type
Description /port
Type
Specifi cation
Min
Typ
Max
Unit
Remarks
1
NC
-
-
-
-
-
-
-
-
-
2
SB
-
Power
Power
Voltage value
10.8
13.8
15.9
V
Related to DC power
supply terminal input
voltage.
Allowable current value
-
-
0.2
A
3
GND
-
GND
Digital GND
Allowable current value
-
-
0.2
A
-
4
PTT
I
Digital
PTT Signal
CMOS
Active Low
VIH
0.8Vcc
-
Vcc
V
Vcc=5V±2%
VIL
0
-
0.2Vcc
V
Input impedance
-
47k
-
47k
PU
5
MIG
-
-
MIC GND
-
-
-
-
-
-
6
MIC
I
Analog
MIC Input
Input amplitude value
(60%Dev@1kHz)
4
5.5
7
mVrms
-
Input impedance
(DC to 10kHz)
-
600
-
Allowable frequency
0.3
-
3
kHz
7
HOOK
I
Digital
HOOK Detect Signal
CMOS
Active Low
VIH
0.8Vcc
-
Vcc
V
Vcc=5V±2%
VIL
0
-
0.2Vcc
V
Input impedance
-
47k
-
47k
PU
8
NC
-
-
-
-
-
-
-
-
-
LAN Connector (RJ-45)
Pin
No.
Pin Name I/O
Signal
Type
Description /port
Type
Specifi cation
Min
Typ
Max
Unit
Remarks
1
TD+
O
Analog
TX
-
0.95
-
1.05
V
Conform to IEEE802.3
2
TD–
O
Analog
TX Signal –
-
0.95
-
1.05
V
Conform to IEEE802.3
3
RD+
I
Analog
RX
-
-
-
-
-
Use Designated Trans-
former
4
NC
-
-
-
-
-
-
-
-
-
5
NC
-
-
-
-
-
-
-
-
-
6
RD–
I
Analog
RX Signal –
-
-
-
-
-
Use Designated Trans-
former
7
NC
-
-
-
-
-
-
-
-
-
8
NC
-
-
-
-
-
-
-
-
-
SYNC Connector
Pin
No.
Pin Name I/O
Signal
Type
Description /port
Type
Specifi cation
Min
Typ
Max
Unit
Remarks
1
FRMA
I/O
-
RS-485 Differential
Signal A
[Input] VID=VA–VB
–12
-
12
V
Conform to RS-485
[Output] (No load)
VOD=|VA–VB|
3
4.3
-
V
2
NC
-
-
-
-
-
-
-
-
-
3
NC
-
-
-
-
-
-
-
-
-
4
FRMB
I/O
-
RS-485 Differential
Signal B
[Input] VID=VA–VB
–12
-
12
V
Conform to RS-485
[Output] (No load)
VOD=|VA–VB|
3
4.3
-
V
Summary of Contents for NEXEDGE NXR-901
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