ZXR10 ZSR V2 Hardware Description
10.1.3 Grounding Cables
Grounding cables connect a cabinet, chassis, or cabinet door to the ground to guarantee
safe power supply.
A grounding cable is a yellow green copper-core cable, see
Figure 10-3 Overview of a Protective Grounding Cable
10.2 Signal Cables
10.2.1 AUX Cables
The AUX cable is an 8-core shielded cable. One end of the cable is an RJ45 connector
connecting to the MPU AUX interface. The other end connects to the computer serial port.
For an AUX cable connected to the DB9 port, see
Figure 10-4 AUX Cable (DB9)
1. D-type 9-core straight
plastic injection mold (hole)
For the relationship between AUX cable (DB9) core wires and pin positions, refer to
10-4.
Table 10-4 Core Wires of an AUX Cable
RJ45
Pin
1
2
3
4
5
6
SJ-20150204153047-004|2015-03-30 (R1.0)
2. CAT 5e network cable
PCB AUX
Signal
Signal
Direction
CTS
←
DTR
→
TXD
→
DCD
←
GND
—
RXD
←
Figure
DB9 Pin
PC DB9 (Hole)
Signal
7
RTS
6
DSR
2
RXD
1
DCD
5
GND
3
TXD
10-4
ZTE Proprietary and Confidential
Figure 10-3
10-4.
3. 8P8C straight cable crimp
shielded plug
Modem DB-9
Modem DB-9
(Pin) Pin
(Pin) Signal
8
CTS
4
DTR
3
TXD
1
DCD
5
GND
2
RXD
Table