ifs NS3503-16P-4C-V2 User manual

P/N 1073220 • REV C • ISS 03JUL22 1
© 2021 Carrier. All rights reserved. Specifications subject to change without prior notice.
NS3503-16P-4C-V2 Quick Installation
Guide
Introduction
Thank you for purchasing IFS L2/L4 Managed Gigabit
Ethernet Switch. The description of this model is shown
below:
NS3503-16P-4C-V2 16-port 10/100/1000T 802.3bt PoE + 4-port
Gigabit TP/SFP Combo Managed Switch 16-
port
“Managed Switch” is used as an alternative name in
this Quick Installation Guide.
Open the box of the Managed Switch and carefully
unpack it. The box should contain the items listed below:
Package Contents
Model Series NS3503-16P-4C-V2
Model Name
Package Item
NS3503-16P
The Managed Switch 1
Quick Installation Guide 1
RS-232 to RJ45 Console Cable 1
Rubber Feet 4
Two Rack-mounting Brackets with
Attachment Screws 2
Power Cord 1
SFP Dust Caps 4
If any item is found missing or damaged, please contact
your local reseller for replacement.
Requirements
Workstations running Windows
XP/2003/Vista/7/8/2008/10, MAC OS X or later,
Linux, UNIX,or other platforms are compatible with
TCP/IP protocols.
Workstations are installed with Ethernet NIC
(Network Interface Card)
Serial Port Connection (Terminal)
The above Workstations come with COM Port
(DB9) or USB-to-RS-232 converter.
The above Workstations have been installed
with terminal emulator, such as Hyper Terminal
included in Windows XP/2003.
Serial cable -- One end is attached to the RS-
232 serial port, while the other end to the
console port of the Managed Switch.
Ethernet Port Connection
Network cables -- Use standard network (UTP)
cables with RJ45 connectors.
The above PC is installed with Web browser and
JAVA runtime environment plug-in.
Note: It is recommended to use Internet Explore 8.0 or
above to access the Managed Switch. If the Web
interface of the Managed Switch is not accessible,
please turn off the anti-virus software or firewall and then
try it again.
Terminal Setup
The Managed Switch is equipped with a console
interface for local switch setup and maintenance. To
configure the system, connect a serial cable to a COM
port on a PC or notebook computer and to the RJ45
type of the console port of the Managed Switch.
Figure 1: Managed Switch Console Connectivity

2 NS3503-16P-4C-V2 Quick Installation Guide
A terminal program is required to make the software
connection to the Managed Switch.
1. Run terminal program on the OS.
2. When the following screen appears, make sure that
the COM port should be configured as:
♦Baud: 115200
♦Data bits: 8
♦Parity: None
♦Stop bits: 1
♦Flow control: None
Figure 2: COM Port Configuration
Logon to the Console
Once the terminal is connected to the device, power on
the Managed Switch and the terminal will display
“running testing procedures”. Then, the following
message asks to log-in user name and password. The
factory default user name and password are shown as
follows, and the login screen is displayed.
Username: admin
Password: admin
If the user logs on to the console with default account,
it’s forced to change user name and password. After
changing user name and password successfully, the
user has to re-log on with new user name and password
and the login screen in the figure below appears.
Figure 3: Managed Switch Console Login Screen
The user can now enter commands to manage the
Managed Switch. For a detailed description of the
commands, please refer to the following sections.
Note:
1. For security reason, please change and memorize
the new password after this first setup.
2. Only accept command in lowercase letter under
console interface.
Configuring IP Address via the
Console
The Managed Switch is shipped with default IP address
as follows:
IP Address: 192.168.0.100
Subnet Mask: 255.255.255.0
To check the current IP address or modify a new IP
address for the Switch, please use the procedures as
follows:
Show the current IP address
1. At the ”NS3503-16P-4C-V2#” prompt, enter “show
ip.
2. The screen displays the current IP Address, Subnet
Mask and Gateway as shownbelow.
Figure 4: IP Information Screen
Configuring IP address thru commands
3. At the ”NS3503-16P-V2#” prompt, enter “configure”.
4. At the “NS3503-16P-V2(config)#” prompt, enter the
following command and press <Enter> as shownin
in the figure below.
NS3503-16P-V2(config)# ip address 192.168.1.100 mask
255.255.255.0
NS3503-16P-V2(config)# ip default-gateway 192.168.1.254
The previous command would apply the following
settings for the Switch.
IP Address: 192.168.1.100
Subnet Mask: 255.255.255.0
Gateway: 192.168.1.254
Figure 5: IP Address Screen

NS3503-16P-4C-V2 Quick Installation Guide 3
5. Repeat Step 1 to check if the IP address has
changed.
If the IP is successfully configured, the Managed
Switch will apply the new IP address setting
immediately. You can access the Web interface of
the NS3503-16P Managed Switch through the new
IP address.
Note: If you are not familiar with console command or
the related parameter, enter “?” anytime in console to
get the help description.
Saving the Configuration via the
Console
In the switch, the running configuration file is stored in
the RAM. In the current version, the running
configuration sequence of running-config can be saved
from the RAM to FLASH by writing the command or
copying the running-config startup-config command,
so that the running configuration sequence becomes the
startup configuration file, which is the configuration
saved.
1. At the “NS3503-16P-V2#” prompt, enter “copy
running-config startup-config” as shownin below.
Figure 6: The Configuration Screen
Starting Web Management
The following shows how to start up the Web
Management of the Managed Switch. Note the
Managed Switch is configured through an Ethernet
connection. Please make sure the manager PC must be
set to the same IP subnet address.
For example, the default IP address of the Managed
Switch is 192.168.0.100, then the manager PC should
be set to 192.168.0.x (where x is a number between 1
and 254, except 100), and the default subnet mask is
255.255.255.0.
Figure 7: IP Management Diagram
Logging in to the Managed Switch
1. Use Internet Explorer 8.0 or above Web browser
and enter IP address http://192.168.0.100 to access
the Web interface.
2. When the following dialog box appears, please enter
the default user name and password “admin”. The
login screen below appears.
Default Username: admin
Default Password: admin
Figure 8: Login Screen
1. When a user logs in to the switch via web or
console with the default account (admin / admin),
the switch will display a warning message to notify
that a change to the username and password is
required.
Figure 9: Warning message
2. Type a new username and password in the Edit
User page, using the guidelines. Click Apply.
Figure 10: User name and password change
3. After typing the new username and password in the
login window, the main screen appears as shown
in figure below.

4 NS3503-16P-4C-V2 Quick Installation Guide
Figure 11: Web Main Screen of Managed Switch
The Switch Menu on the left of the Web page lets you
access all the commands and statistics the Managed
Switch provides.
Figure 12: Switch Menu
Now, you can use the Web management interface to
continue the Switch management.
Please refer to the User’s Manual for more information.
Saving Configuration via the Web
In the Managed Switch, the running configuration file is
stored in the RAM. In the current version, the running
configuration sequence of running-config can be saved
from the RAM to FLASH by”Save Configurations to
FLASH” function, so that the running configuration
sequence becomes the startup configuration file, which
is the configuration saved.
To save all applied changes and set the current
configuration as a startup configuration,the startup-
configuration file will be loaded automatically across a
system reboot.
1. Click ”Save > Save Configurations to FLASH” to
login to the “Configuration Manager” page.
2. Press the “Apply” button to save running
configuration to start up configuration.
Recovering Back to Default
Configuration
IP address has been changed or admin password
has been forgotten –
To reset the IP address to the default IP address
“192.168.0.100” or reset the login password to the
default value,press the hardware reset button on the
front panel for about 10 seconds. After the device is
rebooted,you can login the management Web interface
within the same subnet of 192.168.0.xx.
Figure 13: NS3503-16P-4C-V2 Reset Button
Customer Support
If you need support information, please contact our
support team, whose contact details can be found on our
website. You can also retrieve the electronic version of
the product documentation:
EMEA: https://firesecurityproducts.com
Australian/New Zealand:
https://firesecurityproducts.com.au/
Certification