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Teldat S.A.
5
6
7
8
Note
Since the Switch integrated in the device has an automatic MDIX feature, you can use a PIN to PIN
cable in order to connect to another device without having to cross the Tx-Rx pairs.
2.1.2.2 AUX
The Teldat H2 RAIL Lite router family has a DB9 female connector on the front panel labeled AUX. This can be
used as a configuration port for the router or as a V.24 asynchronous serial port by means of a configuration com-
mand. The behavior or functionality of this interface must be previously configured. By default, this interface is con-
figured in the router's configuration port mode. This section focuses on the connection necessary to operate in asyn-
chronous port mode.
This interface allows you to connect asynchronous serial devices that do not need hardware control signals. For in-
stance, it allows the connection of external modems or an asynchronous PPP WAN.
Another interesting feature of this port is the possibility of using it as a GPS data source in NMEA sentences
(GPS-DATA).
This interface only operates in compliance with the V24 norm. It does not have control signals, only data signals.
Therefore, this interface cannot control hardware flow. It does, however allow for software flow control (XON/XOFF).
You cannot configure parity in MARK and SPACE modes.
To do so, you need to connect the AUX port to an asynchronous terminal (or to a PC with terminal emulation).
For more information on how to use this as a configuration port for the router, please see section
nection
on page 7.
AUX Port
Fig. 4:
2.1.3 Connecting to a WWAN antenna
The Teldat H2 RAIL Lite router has up to 4 N connectors for WWAN antennas (3G).
Name
MOD.1 ANT.1
MOD.1 ANT.2
MOD.2 ANT.1
MOD.2 ANT.2
Since the device does not have internal antennas, installing them is essential to improve the quality of the signal re-
ceived and transmitted by the Wireless WAN module (GPRS, UMTS, HSDPA, HSUPA, HSPA+, LTE, etc.).
Teldat H2 RAIL Lite
BI-DD+ (4)
BI-DD- (5)
BI-DC-(7)
BI-DC+(8)
3G Module
MD1
MD1
MD2
MD2
Configuration con-
Antenna Function
Main
Aux. / diversity
Main
Aux. / diversity
2 Installation
5
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