11
novatelwireless.com
Pin(s)
Label
Function
Description
Conditions
Min Norm Max Units
1,2
Ear (-/+)
Differential Audio Out (+/-)
Differential resistive load (ZLOAD)
33
120
Ω
1,2
Ear (-/+)
Differential Audio Out (+/-)
Differential Maximum capacitor load.
100
pF
1,2
Ear (-/+)
Differential Audio Out (+/-)
Common mode Minimum resistive load
200
kΩ
3
1-Wire
1-Wire power/data
Voltage range
-0.3
3.3
3.6
V
4
ADC In #2
Analog to Digital Input #2
Measurement range, 10 bit (0 to 1023d)
(VIN)
0
32
Vdc
4
ADC In #2
Analog to Digital Input #2
Input resistance (RIN)
28
kΩ
5
ADC In #1
Analog to Digital Input #1
Measurement range, 10 bit (0 to 1023d)
(VIN)
0
16
Vdc
5
ADC In #1
Analog to Digital Input #1
Input resistance (RIN)
32
kΩ
6,7
GND
GND
8,9,19
"Digital Input #1, #2,
#3
GPI-1, GPI-9, GPI-10"
Digital Inputs with selectable Pull-
Up/Down
Pull-Up/Pull-Down
Ref. 3.3V/GND
20
35
50
kΩ
8,9,19
"Digital Input #1, #2,
#3
GPI-1, GPI-9, GPI-10"
Digital Inputs with selectable Pull-
Up/Down
Minimum High input threshold (VIH)
6.1
Vdc
8,9,19
"Digital Input #1, #2,
#3
GPI-1, GPI-9, GPI-10"
Digital Inputs with selectable Pull-
Up/Down
Maximum Low input threshold (VIL)
0.39
Vdc
8,9,19
"Digital Input #1, #2,
#3
GPI-1, GPI-9, GPI-10"
Digital Inputs with selectable Pull-
Up/Down
Input range (VIN)
0
32
Vdc
10,20,21,22
"RS-232 CTS
RS-232 RTS
RS-232 TX
RS-232 RX"
4 wire serial communication.
Voltage range
-25
25
Vdc
11
Ignition Sense
Switched Vehicle Power
Operating Range
150 kΩ
6
32
Vdc
12,13
MIC (+/-)
Differential Microphone Input (+/-)
Differential input resistance
32.5
mVrms
14,15
GPO2,GPO5
User Output
High Output, No Load (VOHNL)
no load
4.03
V
14,15
GPO2,GPO5
User Output
High Output (VOH)
ISOURCE = 10 mA
3.07
V
14,15
GPO2,GPO5
User Output
Low Output (VOL)
ISINK = -1.1 A (maximum) Switch Max Pwr
= 2 W
0
0.55
V
14,15
GPO2,GPO5
User Output
Sink Resistance (RDSON)
250
300
mΩ
16
GPO3
High Current Sink - Latched
High Output (no sourcing capability)
(VOH)
0
32
Vdc
16
GPO3
High Current Sink - Latched
Low Output (VOL)
ISINK = -1.1 A (maximum) Switch Max Pwr
= 2 W
0
32
V
17,18
Power in
Unswitched Vehicle Power
Voltage range
7.5
32
Vd
Summary of Contents for GSM2448UG001
Page 1: ...GSM2448UG001 MT 4000 User Guide Version 1 03 16 October 2013...
Page 12: ...1 novatelwireless com 1 Introduction Description Technical Specifications...
Page 31: ...20 novatelwireless com Figure 3 7 Assembled Device...
Page 42: ...31 novatelwireless com 5 Accesories Mounting Bracket Cables...