6. DATA COMMUNICATION
6-68
6.3.8 DTE
interface
Pin assignments
Pin
number
Mnemonic Circuit DIN
CCITT
circuit
Signal
source
Description
1 CD
109 DCE
Carrier
delect
2 RXD
BB
D1
104 DTE
Received
Data
3 TXD
BA
D2
103 DCE
Transmitted
Data
4
DTR
108
DTE
Data terminal ready
5 GND 102
Signal
ground
6
DSR
107
DCE
Data set ready
7 RTS
CA
S2
105 DTE
Request
To
Send
8
CTS
CB
M2
106
DCE
Clear To Send
9 RI
125 DCE
Ring
indicator
5 4 3 2 1
9 8 7 6
Signal source DTE means the signal goes from the PC to FELCOM 30/50/70.
Signal source DCE means the signal goes from FELCOM 30/50/70 to the PC.
Содержание Felcom 50
Страница 1: ...INMARSAT FLEET F55 SHIP EARTH STATION FELCOM 50 ...
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