User manual

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Router  Port Forwarding  DMZ = Enabled  Friendly IP Address = 0.0.0.0  Destination IP Address = CISCO
Router (vpn server) LAN1 IP Address.
Note: We can use port forwarding instead of DMZ to configure the VPN Pass-through.
8 USER I/O PORT
The Vanguard 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.
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