MISCOM8220G Layer 3 Din-rail Industrial Ethernet Switch
- 14 -
should be placed separately from other cables;
The two ends of the cable should have corresponding markings. The
content of the marking is concise and easy to maintain.
Attention
When laying the pigtail, it is necessary to prevent the cable from being
knotted and the turning point should be minimized, and the turning radius
should not be too small. If the turning radius is too small, the link optical
signal will be seriously depleted. Affect the quality of communication.
2.3. Simple test
2.3.1. System self-test
When the device is powered on, the corresponding Power light will be on.
All service port indicators on the front panel will be on for a period of time, then
go out, and the Run light (system running status indicator) will also start
flashing, after which the system will start running normally.
2.3.2. Electric port test
As shown in Figure 2-9, power on the device and connect any 2 Tx ports
to the network ports of the two test computers through the direct connection
network cable and send ping commands to each other. Both parties can ping
each other correctly without losing packets. The two electrical ports tested are
working properly.
Figure 2-9 Schematic diagram of electrical port test
Example of PING command:
The IP address of the test computer 1 is 192.168.16.220, and the IP
address of the test computer 2 is 192.168.16.221. First, the first item "Allow
incoming echo request" in the local connection ICMP setting of the two
firewalls is checked. The operation method is to open the advanced page in the
setting of the windows firewall and set the ICMP protocol.
Then click Test Computer 1 Start → Run, enter cmd or command
(Win2000/XP system with cmd, WIN98/95 system with command) command,
