TP-Link JetStream TL-SL5428E Cli Reference Manual page 24

Login Mode: It doesn't require username and password, but a connection password is required.
Note:
Before Telnet login, you are required to configure Telnet login mode and login authentication
information through console connection.
 Login Local Mode
Firstly, configure the Telnet login mode as "login local" and set the password for entering into the
Privileged EXEC Mode as 123 in the prompted DOS screen shown in Figure 1-7.
Now, you can logon by Telnet in login local mode.
1. Telnet to different IPs according to your network.
a) In the IPv4 network, open Telnet and type telnet 192.168.0.1 in the command prompt
shown as Figure 1-8, and press the Enter button.
b) In the IPv6 network, you can telnet to the switch's global address or link-local address to
login to the switch. Please guarantee the reachability between the host and the switch.
TL-SL5428E JetStream L2 Managed Switch CLI Guide
Figure 1-7 Configure login local mode
Figure 1-8 Connecting to the Switch
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