001-0003-832 Rev3
Page 11 of 59
Back panel connections
Fig. 2.2 882-GPRS/EDGE and 882-HSPA Back Panel
Panel
Indicator
Connection Description
ETHERNET
RJ-45 Ethernet
Interface for Ethernet connection to devices
USB HOST
USB
Interface for external devices (i.e., memory
drives or GPS devices). ODP use only.
RESET
One second hold for unit reset.
If held for
at least 4 sec, will reconfigure unit to
factory default settings.
PWR LED
Power indicator
PWR Jack
Molex 43025-0400
Power – bottom pins
I/O – top pins
Interface for power plug (9-28VDC)
Interface for Input and Output control lines
ODP use only.
SIM CARD
SIM Card socket
Interface for carrier provided SIM card to
activate connection with network provider
RS-232 Serial Port Integration Parameters
Table 2.1 provides the serial cable design information to integrate the 882 GSM Series modem
into your system.
Table 2.1 Standard RS-232 DE-9 Pin out
Pin
Name
Direction
Description
1
CD
«—
Carrier Detect
2 RX
«—
Receive
Data
3 TX
—»
Transmit
Data
4
DTR
—»
Data Terminal Ready
5 GND
System
Ground
6
DSR
«—
Data Set Ready
7
RTS
—»
Request to Send
8
CTS
«—
Clear to Send
9 RI
«—
Ring
Indicator
Note: Direction is DTE relative DCE
.
Table 2.2 Default RS-232 Communication Parameters
Bits Per Second 115,200
Data Bits
8
Parity None
Stop Bits
1
Flow Control
None
