Raisecom
RC3000E (P100R001) Product Description
4 Cards
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
48
Table 4-20
Functions of J2 and J4
J2 status
J4 status
Description
1-2 short circuit
1-2 short circuit
RC3000-SUB-DV24 mode
2-3 short circuit
2-3 short circuit
RC3000-SUB-D232 mode
1-2 short circuit
2-3 short circuit
RC3000-SUB-D422 mode
2-3 short circuit
1-2 short circuit
RC3000-SUB-D485 mode
By default, the subcard works in hardware configuration status and is configured to
RC3000-SUB-D232 mode.
4.14.5 Interfaces
There are four RJ45 interfaces on the RC3000-SUB-RS24.
Figure 4-11 shows PIN definitions of the RJ45 interface on the RC3000-SUB-RS24.
Figure 4-11
PIN definitions of the RJ45 interface on the RC3000-SUB-RS24
The maximum length of the cable used by the RS232 interface is 15 m according to
RS232 standard.
Software configuration status
In software configuration status, each RJ45 interface can be independently configured to
work in RS232, V.24, RS422, or RS485 mode. PIN definitions of the four RJ45 interfaces in
different modes are listed Table 4-21, 0, Table 4-23, and Table 4-24 respectively.
Table 4-21
PIN definitions of RJ45-1
Mode
PIN
V.24
RS232
RS422
RS485
1
GND
GND
GND
GND