APC Battery Management System - Manual (Page 115)

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USER’S GUIDE
Battery Management System
108
TCP/IP options.
A Management Card contained in the Battery
Management System master controller uses the following options within a
valid DHCP response to define its TCP/IP settings:
• IP Address (from the yiaddr field of the DHCP response): The IP
address that the DHCP server is leasing to the Management Card .
• Subnet Mask (option 1): The Subnet Mask value, which the
Management Card needs to operate on the network.
• Default Gateway (option 3): The default gateway address, which the
Management Card needs to operate on the network.
• Address Lease Time (option 51): The time duration for the lease
associated with the identified IP Address.
• Renewal Time, T1 (option 58): The time that the Management Card
must wait after an IP address lease is assigned before it can request a
renewal of that lease.
• Rebinding Time, T2 (option 59): The time that the Management Card
must wait after an IP address lease is assigned before it can seek to
rebind that lease.