www.cooperbussmann.com/wirelessresources
Cooper Bussmann 615M-1 Cellular Data Modem and IP Router Series Manual
65
Rev Version 1.0
C
hapTEr
8 - USEr I/O pOrT
The 615M-1 has a 10-pin connector on the back panel that can be used for general purpose analog inputs and
digital input/outputs. The connector also provides access to two internal mechanical relays.
Figure 42 10-pin Connector
Table 10 Connector Pin Out
Pin Number Name
Notes
1
NO 1
Normally Open Terminal of Relay #1
2
COM 1
Common Terminal of Relay #1
3
NO 2
Normally Open Terminal of Relay #2
4
COM 2
Common Terminal of Relay #2
5
Digital I/O 1
6
Digital I/O 2
7
Analog Ground
Analog and Digital Ground have different ground planes internally.
They are connected internally at one point only.
8
Digital Ground
9
Analog Input 1
10
Analog Input 2
Table 11
Symbol
Parameter
Min
Typ
Max
Units
Digital Inputs
VIN
Digital Voltage Recommended Input Range
0
5.5
V
VP
Positive Threshold Voltage for Digital Inputs
1.8
2.3
V
VN
Negative Threshold Voltage for Digital Inputs
0.7
1.1
V
VH
Hysteresis Voltage for Digital Inputs
0.7
V
Digital Outputs
VOH
High Level Output Voltage
IOH = -10uA
IOH = -100uA
3.1
1.4
V
V
VOL
Low Level Output Voltage
IOL = 100uA
IOL = 1mA
IOL = 10mA
0.2
0.3
1.2
V
V
V