Datalink Systems i50 Spezifikationen PDF herunterladen (Seite 14)

i50 Manual (5.10)

Page 14

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4.5.4 Using Program connector to access COM1

The Program RJ-45 connector can be configured to access the COM1 signals, in which case the

COM1 DB-9 connector is disabled. This allows easy connection of an external terminal, especially

one requiring a switched power source (which is provided on the Program connector).

Note: external devices connected to the Program connector MUST NOT activate the RESET

line (DTR on), or else the i50 CPU will reset and stop working until the line is deactivated.

4.6 Antenna Connectors

The front panel provides Wi-Fi, Iridium and GPRS antenna connectors (SMA). Each connector will

only be present if the matching modem is installed internally. Note: antennas should always be

attached before applying power to the i50 to prevent damage to internal modems and also to allow

the GPS receiver to perform automatic noise profiling.

The back panel includes the GPS antenna connector (SMA). This connector provides a 3.3 VDC

output for an active antenna. The i50 will turn off this voltage if it detects a shorted antenna cable,

and periodically retry applying power until the fault is corrected.

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Datalink Systems i50 Spezifikationen Seite 14