DTE
Illuminates steady if a terminal is connected to the serial port and
the DTR signal is on. Flashes when data is transmitted/received.
DSL
Constant red - no DSL is detected.
Quick red flash - DSL is detected and unit is trying to train up to
the DSL signal.
Constant green - DSL is active.
Flashing green - Data is being transferred.
W-WAN
NET
- Illuminates steady when a wireless network has been
detected.
SIM
- Illuminates steady when a valid SIM card is installed in the
unit.
DAT
- Flashes to indicate that data is being transferred over the
wireless network.
SIGNAL
The three indicators labelled SIGNAL illuminate to indicate the
GSM signal strength as follows:
None illuminated
< -113 dBm (effectively no signal)
1 LED illuminated
>= -112 dBm and <= -87 dBm (weak)
2 LED‟s illuminated
>= -86 dBm and <= -71 dBm (medium)
3 LED‟s illuminated
>= -70 dBm and <= -51 dBm (strong)
PSTN:
OH, CD, DAT
OH -
Illuminates green when the modem has gone off-hook.
CD -
Illuminates green when the unit has connected to a remote
modem and asserted the Carrier Detect signal at the serial port.
DAT -
Flashes green when the unit has connected to a remote
modem and data is being transferred.
SIM Card Sockets (GSM models only)
The two sockets at the left side of the front panel are for the GSM/3G SIM card(s) that you
will receive from your service providers when you subscribe to a wireless data service.
Details of how to insert these correctly are given in section 2 below.
Rear Panel Features
DR64 model with Wi-Fi option shown above. These functions of these connectors are
described in the following table:
