Polycom DOC2232A manual Define the following parameters

Chapter 3 - Initial System Setup

2.Define the following parameters:

Table 3-1: IP Configuration Parameters

Field	Description
IP Service	Enter a name using up to 20 characters, or use the
Name	default name (IP Default Service).
Obtain IP	Select this check box to use a DHCP server for
Address	automatic assignment and tracking of IP addresses to
Automatically	the conference devices.
(DHCP)	Do not select this check box if you need to establish a
	static IP address, for example, when working with a
	firewall and you need to translate an internal IP address,
	that must be static, with an external one.
LAN 1A	Select this check box to indicate that a LAN span is
Spans	connected to the IP card in the MCU and to define the
Configuration	properties of this card.
LAN 1 IP	Enter the IP address of the IP card installed in the MCU.
Address	When the DHCP server is used, the IP address of the
	card appears as 0.0.0.0.
Subnet Mask	Enter the subnet mask of the MCU’s IP card. If the
	DHCP is used, the subnet mask is automatically
	retrieved from the DHCP server and cannot be
	modified.
	The detected number appears in the card’s
	Properties-Settings-IP Network Parameters box.
Default Router	Enter the IP of the default router in this box. If a DHCP is
	used, the IP address of the default router is
	automatically retrieved from the DHCP server and
	cannot be modified.
DNS	DNS — Select this check box to indicate that a DNS
	server is used in the network and then select:
	• Specify — to enter the IP address of the DNS
	server.
	• Auto — to automatically detect the primary DNS IP
	address, provided the DNS Server is defined in the
	DHCP and if the DHCP -obtain IP Address
	Automatically check box was selected.

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