SHM 128 - 511004311 - Update: 11/25/2004 15/31
4. RS530 interface
ISO : 2110
Pin
Meaning
Name
Signal
source
7
Signal ground
2
14
Transmit data
Transmit data
TD a
TD b
→
→
3
16
Receive data
Receive data
RD a
RD b
←
←
4
19
Request to send
Request to send
RTS a
RTS b
→
→
5
13
Clear to send
Clear to send
CTS a
CTS b
←
←
6
22
Data set ready
Data set ready
DSR a
DSR b
←
←
8
10
Signal detector
Signal detector
SD a
SD b
←
←
20
23
Data terminal ready
Data terminal ready
DTR a
DTR b
→
→
15
12
Transmit clock
Transmit clock
TC a
TC b
←
←
17
9
Receive clock
Receive clock
RC a
RC b
←
←
24
11
External clock
External clock
ExtClk a
ExtClk b
→
→
18
Local loop back
LLB
→
21
Remote loop back
RLB
→
25
Test mode
T
←
→
Terminal signal source
←
Modem signal source
Содержание SHM 128
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