DR6400W Series Installation Guide
8
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)
ISDN:
D, B1 & B2
D
– Illuminates green when the unit is connected to an ISDN
network and the D-channel signalling layer is active.
B1
– Illuminates green when ISDN B-channel 1 is active and
flashes when data is being transmitted/received over this
channel.
B2
– Illuminates green when ISDN B-channel 2 is active and
flashes when data is being transmitted/received over this
channel.
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 (wireless option)
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.
DR6400W Series Installation Guide
9
Rear Panel Features
These functions of these connectors are described in the following table:
12V DC
This jack socket is used to connect the unit to the power supply
using the 12V DC mains adapter.
LAN 0, 1, 2, 3
The LAN sockets are used to connect the unit to 10/100-BaseT
LANs using the 2-metre STP (Shielded Twisted Pair) cable
supplied or a suitable alternative. These ports are auto-sensing
for speed and wiring (straight-through or cross-over). To comply
with EMC requirements they should not be used with non-STP
cable.
GSM/3G
ANTENNA
ANT. WAN 1
ANT. WAN 2
This female SMA connector is used to fit the wireless antennas
supplied with the unit. A range of alternative antennas are
available for purchase separately.
WiFi
ANTENNA
ANT. WLAN 1
ANT. WLAN 2
This male SMA connector is used to fit the WiFi antennas
supplied with the unit.
