Installation & Connections
Overview
076R174-000
SpectraComm SDT
2-11
Issue 4
Installation and Operation Manual
Note
The 26-pin connector pins 22, 24 and 26 are connected together.
Table 2-7
RS-449 DTE Serial Cable Pinouts
26-pin
Signal Name
Note
Direction
DB37-pin
Signal Name
22
24
MODE_1
MODE_DCE
Twisted
Pair
---
---
19
20
SG
RC
1
14
TXD/RXD+
TXD/RXD-
Twisted
Pair
-->
-->
4
22
SD+
SD-
2
15
TXCE/RXC+
TXCE/RXC-
Twisted
Pair
-->
-->
17
35
TT+
TT-
3
16
TXC/TXC+
TXC/TXC-
Twisted
Pair
<--
<--
5
23
ST+
ST-
4
17
RXC/TXCE+
RXC/TXCE-
Twisted
Pair
<--
<--
8
26
RT+
RT-
5
18
RXD/TXD+
RXD/TXD-
Twisted
Pair
<--
<--
6
24
RD+
RD-
6
19
DCD/DCD+
DCD/DCD-
Twisted
Pair
<--
<--
13
31
RR+
RR-
7
20
DTR/DSR+
DTR/DSR-
Twisted
Pair
-->
-->
12
30
TR+
TR-
8
9
RTS/CTS+
RTS/CTS-
Twisted
Pair
-->
-->
7
25
RS+
RS-
10
11
CTS/RTS-
CTS/RTS+
Twisted
Pair
<--
<--
27
9
CS-
CS+
12
25
DTR/DSR+
DTR/DSR-
Twisted
Pair
<--
<--
11
29
DM+
DM-
13
26
LL/LL+
GND+
Twisted
Pair
-->
---
10
37
LL
SC
Shell
Drain Wire Shield
Pin 1 to Shell
Shield_GND
Содержание SpectraComm SDT
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Страница 74: ...The Best Connections in the Business...