Installation Manual
Quidway S3000-EI Series Ethernet Switches
Chapter 3 Installation
3-7
DC power input
Ethernet Switch
Grounding screw
RTN
-48V
AC/DC
power box
-48V strip
RTN strip
PGND strip
Ground
Grounding wire
DC power input
Ethernet Switch
Grounding screw
RTN
-48V
AC/DC
power box
-48V strip
RTN strip
PGND strip
Ground
Grounding wire
DC power input
Ethernet Switch
Grounding screw
RTN
-48V
AC/DC
power box
-48V strip
RTN strip
PGND strip
Ground
Grounding wire
DC power input
Ethernet Switch
Grounding screw
RTN
-48V
AC/DC
power box
-48V strip
RTN strip
PGND strip
Ground
Grounding wire
Figure 3-8 Sketch of grounding through PGND of a power cabinet
3.3 Connection of Console Cable
3.3.1 Console Cable
The Console cable is an 8-core shielded cable. One end of the cable is an RJ-45
connector, which is to be plugged into the Console port of switch. The other end is
furnished with a DB-9 (female) connector and a DB-25 (female) connector. You can
select either of them as needed to fit into the 25-pin (male) or 9-pin (male) serial
interface receptacle on the configuration terminal. The Console cable is shown in the
following figure.
Enlarged A side
Pos. 25
A
DB 25 Female
8P8C Plug
Enlarged B side
Pos.1
Pos.8
DB9 Female
Enlarged C side
Pos.1
Pos.9
C
Pos.1
B
Figure 3-9 Console cable