IPBridge Installation Guide
Page 18
4.3
: COMMON ELECTRICAL CONNECTIONS
4.3.1
: INDEX OF TERMINAL CONNECTIONS
External devices are connected to the IP-Bridge through the screw
terminals located on along the sides of the IP-Bridge. A summary of the
purpose of each terminal connection is detailed in the table below. Refer to
the IP-Bridge’s label for the locations of each terminal connector.
Terminal
Block
Connection
Identifier
Purpose
I/O
TTL2
Logic output.
Default action is:
5 VDC is output , when in the “Off” state
0 VDC when in the “On” state.
Action can be reversed in the software configuration.
Supplies 20mA
I/O
TTL1
Logic output.
Default action is:
5 VDC is output , when in the “Off” state
0 VDC when in the “On” state.
Action can be reversed in the software configuration.
Supplies 20mA
I/O
REX
Logic Input from a
R
equest-to
-EX
it device
Default Action: When connection to “Gnd” is completed,
the input goes active.
Action can be reversed in the software configuration.
I/O
DS
Logic Input from a Door Status Sensor
Default Action: When connection to “Gnd” is opened, the
input goes active.
Action can be reversed in the software configuration.
I/O
NC
Output.
“Normally Closed” connection from IP-Bridge’s
door control relay (form C)
I/O
COM
Output.
“Common” connection from IP-Bridge’s
door control relay (form C)
I/O
NO
Output.
“Normally Open” connection from IP-Bridge’s
door control relay (form C)
