NPT-1020 Installation and Maintenance Manual
Connection Data
ECI Telecom Ltd. Proprietary
8-38
8.18
ICP_DB37D Connection Data
One ICP_DB37D can serve one SM_V35_V11 module. Two DB37 female connectors for external interfaces
are on the front panel of the ICP_DB37D. Connector pin-out is defined for the following six types of
interfaces:
RS449
RS422
V.36
V.35
V.11/X.24
Synchronous V.24
The following figure identifies the 37-pin D-type female connector pins as seen when looking into the
connector. The table lists the connector pin assignment for a typical connector and the color of the wire
connected to the corresponding pin in the cables offered by ECI for connecting the tributary connector and
a distribution frame.
Figure
8-16: 37-pin D-type female connector, pin identification
Table
8-28: ICP_DB37D 37 pin D-type connector, pin assignment
Pin
Name
Function
Direction
Wire color
1
CGND
Case ground
---
Black
2
---
Not connected
---
---
3
---
Not connected
---
---
4
TD+ (103a)
Transmit data+
Output
Black/White
5
TC+ (114a)
Transmit
Output
Brown
6
RD+ (104a)
Receive data+
Input
Brown/White
7
RTS_O+ (105a)
Request to send+
Input
Red
8
RC+ (115a)
Receive
Input
Red/White
9
CTS_O+
Clear to send+
Output
Orange
10
---
Not connected
---
---
11
DSR (107)
Data set ready
Output
Orange/White
12
DTR (108)
Data terminal ready
Input
Yellow
13
DCD (109)
Data carrier detect
Output
Yellow/Black
14
---
Not connected
---
---