User's Manual

Table Of Contents
RipEX2 can be equipped with an internal GPS (Expansion board 'G'). The GPS module is used for
time synchronization of the NTP server inside RipEX2. In this case the AUX connector serves for
connecting the GPS antenna:
active antenna
3.3 VDC supply see details
2.2.8. DI/DO
Tab. 2.6: Digital Inputs and Outputs
SignalDescriptionPin
Digital input (differential) - Positive - (P)DI1+1
Digital input (differential) - Negative - (N)DI1-2
GroundGND3
Digital Output 1DO14
Digital Output 2DO25
GroundGND6
Digital Input 2DI27
Digital Input 3DI38
Digital Outputs:
Open drain output max. 30 VDC, 0.2 A
Isolated differential digital input:
Input voltage difference (P-N) > 1.9 VDC Logic "H"
Input voltage difference (P-N) < 1.1 VDC Logic "L"
Maximum differential voltage 30 V
Digital inputs:
Schmitt-triggered inverted input
Pull below 1.1 VDC to activate (1.1 VDC / 1.9 VDC threshold hysteresis)
Max. 30 VDC
If the RipEX2 unit is installed in the RipEX2-HS (Hot Standby chassis), the DI/DO interface is dedicated
for the Hot Standby operation.
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