Raisecom
RC3000-15 (P100R001) Hardware Description
13 Cables
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
217
Table 13-25
PIN definitions of the CBL-RS232H-HDB26M/2DB9M cable
DB9 male interface
HDB26 male interface
Definition
PIN
PIN
Remarks
No. 1 way
FGND
Connected to
the shell
——
Connected to the
shell
–
CD_1
1
——>
15
–
RD_1
2
——>
18
–
TD_1
3
<——
8
–
DTR_1
4
<——
7
–
GND
5
——
20
PINs 20, 21, and 22 are
short-circuited at DB26
male connector side.
DSR_1
6
——>
17
–
RTS_1
7
<——
6
–
CTS_1
8
——>
16
–
RI_1
9
——>
23
–
No. 2 way
FGND
Connected to
the shell
——
Connected to the
shell
–
CD_2
1
——>
11
–
RD_2
2
——>
14
–
TD_2
3
<——
3
–
DTR_2
4
<——
2
–
GND
5
——
21
PINs 20, 21, and 22 are
short-circuited at DB26
male connector side.
DSR_2
6
——>
13
–
RTS_2
7
<——
1
–
CTS_2
8
——>
12
–
RI_2
9
——>
19
–
–
–
–
–
–
PINs 24 and 26 are short-
circuited at DB26 male
connector side, and they
are not connected to
external devices.
