Polycom CX5500 Administrator's Guide

Polycom CX5500 Unified Conference Station Administrator’s Guide 1.1.0
Polycom, Inc. 37
Name
Possible Values
PC Port Mode
0 = Auto, 1 = 10HD, 2 = 10FD, 3 = 100HD, 4 = 100FD,
5 = 1000FD, -1 = Disabled
The network speed over Ethernet. The default value is Auto. HD means half duplex and FD means full duplex.
Note: Polycom recommends that you do not change this setting unless you want to disable the PC port.
1000BT LAN Clock
0=Auto 1=Slave 2=Master
The mode of the LAN clock.
The default value is Slave (this device receives its clock timing from a master device).
Note: Polycom recommends that you do not change this setting unless you have Ethernet connectivity issues.
This setting was chosen to give the best results from an EMI perspective.
1000BT PC Clock
0=Auto 1=Slave 2=Master
The mode of the PC clock. The default value is Auto.
Note: Polycom recommends that you do not change this setting unless you have Ethernet connectivity issues.
This setting was chosen to give the best results from an EMI perspective.
VLAN Menu
You can modify the parameters shown in the table VLAN Menu.
VLAN Menu
Name
Possible Values
VLAN ID
Null, 0 through 4094
The phone’s 802.1Q VLAN identifier. The default value is Null.
Note: Null = no VLAN tagging
LLDP
Enabled, Disabled
If enabled, the phone will use the LLDP protocol to communicate with the network switch for certain network
parameters. Most often this will be used to set the VLAN that the phone should use for voice traffic. It also reports
power management to the switch. The default value is Enabled.
For more information on how to set VLAN and LLDP, see LLDP and Supported TLVs.
CDP Compatibility
Enabled, Disabled
If enabled, the phone will use CDP-compatible signaling to communicate with the network switch for certain
network parameters. Most often this will be used to set the VLAN that the phone should use for Voice Traffic, and
for the phone to communicate its PoE power requirements to the switch. The default value is Enabled.
VLAN Discovery
0=Disabled, 1=Fixed (default), 2=Custom
For a detailed description, see Assign a VLAN ID Using DHCP.
Disabled: No VLAN discovery through DHCP.
Fixed: Use predefined DHCP vendor-specific option values of 128, 144, 157 and 191. If one of these is used,
VLAN ID Option will be ignored
Custom: Use the number specified for VLAN ID Option as the DHCP private option value.

Polycom CX5500 Specifications

General

Brand	Polycom
Model	CX5500
Category	Conference System
Language	English