HEIDENHAIN TNC 335 Technical Manual - Manual (Page 520)

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TNC 360 2 TNC data interfaces 8-13
2.2.4 Pin layouts
The differences between the pin layouts of the logic unit and the adapter block of the TNC should be
noted! The corresponding pin layouts are shown below (see the Chapter "Mounting and electrical
installation").
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WH/BN
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WH/BN
GND Chassis
RXD
TXD
CTS
RTS
DTR
GND Signal
DSR
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
• •
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
ge
gn
rs
gr
br
rt
bl
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
V.24-Adapter-Block
RS-232-C Adapter block
• •
•
• •
LE
Chassis GND
TXD
RXD
RTS
CTS
DSR
Signal GND
DTR
GN
YL
GY
PK
BL
RD
BN
Note: The LE and adapter block are connected with crossed lines.
A 9-pin plug on a PC should have the following pin layout:
Pin Allocation
1 Do not use
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 Do not use