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Raisecom
Gazelle ST2028i (A) Hardware Description
4 Cables
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
29
Figure 4-11
Serial cable
4.6.3 Technical specifications
PIN definitions
Table 4-9 lists PIN definitions of the RJ45.
Table 4-9
PIN definitions of the RJ45 connector
PIN
RS-232
RS-422
RS-485
Definition
1
–
RxD-
–
2
–
–
–
3
–
–
–
4
GND
GND
GND
5
RxD
RxD+
–
6
TxD
TxD+
DATA+
7
–
–
–
8
–
TxD-
DATA-
Wiring
Figure 4-12, Figure 4-13 and Figure 4-14 show the wirings of the RS-232, RS-422 and RS-
485 cable respectively.
Figure 4-12
Wiring of the RS-232 cable