User manual

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Cooper Bussmann 615M-1 Cellular Data Modem and IP Router Series Manual
65Rev Version 1.0
ChapTEr 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