METRODATA LTD
WCM1100 / WCM3100 / WCM-Serial / LHM1000 / LVM2000 User Manual
76-02-082 Rev N
106 of 169
5.3.7 LVM2000 WAN Port Configuration
The WAN port menu is shown below:
Metrodata WCM-Serial "" Alarms: Major
WAN
interface Name WAN
State Up
tX timing External
Tr control On
rr state Off
rs Drive Not driven
rs Polarity Normal
First CAPITAL - select item
<escape> - exit menu
5.3.7.1 Interface Name
The interface name is used to configure the SNMP Mib variable IfAlias in the IfXTable
element of the IF-MIB.
5.3.7.2 State
The state configuration defines the Administrative State of the WAN Serial port. For
normal operation it must be set to UP.
In applications where the WAN link is not used, the state should be set to Down to disable
the alarm processing on the WAN port.
5.3.7.3 TX Timing
The normal operating mode of the LVM2000 is in DTE mode where timing is supplied
externally by the external Modem. For lab testing, a DCE mode is also available.
Options
External
Use Modem supplied ST as source for Transmit Timing
Receive
Use Modem supplied RT as source for Transmit Timing
Internal
Ignore incoming ST, use internal oscillator to drive TT at 51.84Mbps.
