NPT-1020 Installation and Maintenance Manual
Connection Data
ECI Telecom Ltd. Proprietary
8-39
Pin
Name
Function
Direction
Wire color
15
---
Not connected
---
---
16
---
Not connected
---
---
17
TMC+ (113a)
Terminal
---
Green
18
---
Not connected
---
---
19
GND (102)
Signal ground
---
Green/White
20
---
Not connected
---
---
21
---
Not connected
---
---
22
TD- (103b)
Transmit data-
Output
Blue
23
TC- (114b)
Transmit timing-
Output
Blue/White
24
RD- (104b)
Receive data-
---
Purple
25
RTS_O- (105b)
Request to send-
Input
Purple/White
26
RC- (115b)
Receive timing-
Input
Gray
27
CTS- (106b)
Clear to send-
Output
Gray/Black
28
---
Not connected
---
---
29
---
Not connected
---
---
30
---
Not connected
---
---
31
---
Not connected
---
---
32
---
Not connected
---
---
33
---
Not connected
---
---
34
---
Not connected
---
---
35
TMC- (113b)
Terminal timing-
Output
White
36
---
Not connected
---
---
37
---
Not connected
---
---
Table
8-29: ICP_DB37D 37-pin D-type connector, RS-449 pin assignment
Pin
Name
Function
Direction
Wire color
4
TD+ (103a)
Transmit data+
Output
Black/White
6
RD+ (104a)
Receive data+
Input
Brown/White
19
GND (102)
Signal ground
---
Green/White
22
TD- (103b)
Transmit data-
Output
Blue
24
RD- (104b)
Receive data-
---
Purple
