Fig. 4.11: Serial connector
Tab. 4.3: COM1, 2 pin description
COM2 – RS485COM1, 2 – RS232DSUB9F
In/ OutsignalIn/ Outsignalpin
—OutCD1
In/Outline BOutRxD2
In/Outline AInTxD3
—InDTR4
GNDGND5
—OutDSR6
—InRTS7
—OutCTS8
———9
RipEX keeps pin 6 DSR at the level of 1 by RS232 standard permanently.
4.2.5. USB
RipEX uses USB 1.1, Host A interface. USB interface is wired as standard:
Fig. 4.12: Serial connector
Tab. 4.4: USB pin description
wiresignalUSB pin
red+5 V1
whiteData(−)2
greenData (+)3
blackGND4
The USB interface is designed for the connection to an – external ETH/USB adapter or a Wifi adapter.
They are optional accessories to RipEX, for more details see Section 5.3, “Connecting RipEX to a
programming PC”. The adapters are used for service access to RipEX’s web configuration interface.
The USB interface can also be used for an external flash disc connection, which has been specifically
designed to simplify complex maintenance tasks, so that these tasks can be performed by unqualified
personnel in the field by simple plugging-in an USB stick and waiting until a LED flashes.
The USB connector also provides power supply (5 V/ 0.5 A). It can be used to temporarily power a
connected device, for instance a telephone. The USB connector should not be used as permanent
source of power supply.
Note – hazardous locations
Only USB equipments dedicated for hazardous locations shall remain connected permanently.
External USB flash disc
An external USB flash disc can be used for firmware upgrade, SW keys upload, configuration backup
and restore, ssl certificate and ssh keys upload and tech-support package download. Any common
USB stick with several megabytes of free space can be used for these tasks.
RipEX Radio modem & Router – © RACOM s.r.o.50
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