5. USER INTERFACES
5. User Interfaces
5.1
Connectors
Front Panel
Label
Connector
Description
PWR
2-pin
Power supply
ETH
RJ45
Connection to the local computer network
PORT 1
RJ45
RS-232/422/485, ETHERNET, or 12-bit I/O
PORT 2
RJ45
RS-232/422/485 or ETHERNET
ANT
SMA
Main cellular antenna (LTE and 3G models only)
DIV
SMA
Diversity cellular antenna (LTE models only)
GPS
SMA
GPS antenna (LTE models only)
AUX
SMA
RP-SMA
3G models (on the left): DIV/GPS
all models (on the right): SmartMesh IP antenna
WIFI
RP-SMA
Wi-Fi antenna (LTE and 3G models only)
USB
USB-A Host
USB connector
I/O
3-pin
Binary input and output
SIM
-
SIM card holder (LTE models only)
SIM1
-
SIM card holder (3G models only)
SIM2
-
SIM card holder 2 (3G models only)
Table 6: Front panel description
Figure 8: SPECTRE LTE front panel example, model RTLTE-304
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