Raisecom
RC3000-15 (P100R001) Hardware Description
13 Cables
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
206
Figure
HDB26M
PIN
DB25F PIN
Definition Channel
Direction
DTE→DCE DCE→DTE
2
15, 17 (two
PINs are short
connected)
RXC
√
12
24
TXC
√
19, 20
7
SG
4
Short
connected
RTS
√
5
CTS
√
6
Short
connected
DSR
√
8
DCD
√
20
DTR
√
CBL-V24-HDB26M/4DB25M (DTE cable)
The CBL-V24-HDB26M/4DB25M cable is a DB26 male connector-to-4-way DB25 male
connector cable. It is used to connect the DCE (female connector).
Table 13-17
CBL-V24-HDB26M/4DB25M
Figure
HDB26M
PIN
DB25F PIN Definition Channel
Direction
DTE→DCE DCE→DTE
HDB26M
DB25M
Connected
to the shell
1
PG
Channel
1
17
3
RXD
√
7
2
TXD
√
18
15
TXC
√
17
RXC
8
24
SCTE
√
25, 26
7
SG
4
Short
connect
ed
RTS
√
5
CTS
√
6
Short
connect
ed
DSR
√
8
DCD
√
20
DTR
√