Satel EASy+ - D15 Connector SATEL-Easy

SATEL-EASy+
User guide
Version 1.33
22
4.5 D15 connector SATEL-EASy+
SATEL-EASy+ radio modems: 15-PIN FEMALE D CONNECTOR PINOUT
I/O column below denotes the direction of the signal: "IN" is from DTE (Data Terminal Equipment) to the
radio modem. "OUT" is from the radio modem to DTE.
PIN
NAM
E
I/O
LEVEL
EXPLANATION
1
DTR
IN
MAX
+27.5V
Data Terminal Ready. This pin can be used to wake-up the radio
modem from standby mode. >+3 VDC or not connected = ON,
<+0.6 VDC = STANDBY. By default, this pin can be left unconnected.
2
Pin 2 has alternative functions depending on the Port2 configuration, see below.
CD
OUT
RS-232
Carrier Detect (if Port2 Interface mode is RS-232)
A’
OUT
IN/OUT
RS-422
RS-485
Port2 Receive Data positive (if Port2 Interface mode is RS-422)
Shared input/output Data in RS-485 mode
3
Pin 3 has alternative functions depending on the Port2 configuration, see below.
RD2
OUT
RS-232
Port2 Receive Data (if Port2 Interface mode is RS-232)
B’
OUT
IN/OUT
RS-422
RS-485
Port2 Receive Data negative (if Port2 Interface mode is RS-422)
Shared input/output Data in RS-485 mode
4
Pin 4 has alternative functions depending on the configuration, see below.
TD2
IN
RS-232
Port2 Transmit Data (if Port2 Interface mode is RS-232)
A
IN
RS-422
Port2 Transmit Data positive (if Port2 Interface mode is RS-422)
5
Pin 5 has alternative functions depending on the hardware assembly, see below.
B
IN
RS-422
Port2 Transmit data negative
6
CTS
OUT
RS-232
Clear To Send. This signal indicates that the radio modem serial
interface is ready to receive data from DTE. Note*)
7, 8
GND
-
Operating voltage ground / signal ground.
Signal ground has a galvanic connection to the modem casing.
9
RD1
OUT
RS-232
Port1 Receive Data to DTE from the radio modem
10
DSR
OUT
RS-232
Data Set Ready. Indicates that the radio modem is ON.
11
TD1
IN
RS-232
Port1 Transmit Data from DTE to the radio modem.
12
MO
DE
IN
MAX
+27.5V
<2VDC or connected to ground = Programming Mode
>3VDC or not connected = Data Transfer Mode Note**)
13
RTS
IN
RS-232
Request To Send from DTE. Note*)
14,
15
V
b
-
See
specs
Operating Voltage +7...+27.5 VDC
Note! Unused pins can be left unconnected.
Note*) RTS and CTS signals apply to the selected Data port only (Port1 or Port2).
Note**) Programming Mode is for bringing the modem to a serial port state: Data port 1 38400N81. By
default, modem is Data Transfer Mode in a case Pin 12 is floating.