ZyXEL Communications PM7516 Series User Manual page 18

Table 6 Connection Status > System Info (continued)
LABEL DESCRIPTION
IP Subnet Mask This is the current subnet mask in the LAN.
System Status
System Uptime This field displays how long the Zyxel Device has been running since it last started up. The
Zyxel Device starts up when you plug it in and turn it ON, when you restart it (Maintenance >
Reboot), or when you reset it.
System Resource:
CPU Usage This field displays what percentage of theZyxel Device's processing ability is currently used.
When this percentage is close to 100%, the Zyxel Device is running at full load, and the
throughput is not going to improve anymore. If you want some applications to have more
throughput, you should turn off other applications.
Memory Usage This field displays what percentage of the Zyxel Device's memory is currently used. Usually,
this percentage should not increase much. If memory usage does get close to 100%, the
Zyxel Device is probably becoming unstable, and you should restart the device or turn off
the device (unplug the power) for a few seconds.
PON Status
Link State This field displays Up when the interface has a connection with OLT (fiber terminal) and Down
when it does not.
Rx Power This displays the optical transceiver's optical receiving power in dBm.
Tx Power This displays the optical transceiver's optical transmitting power in dBm.
Tx Bias This field displays the transceiver's bias current in mA.
Supply Voltage This field displays the transceiver's voltage in Volts.
Temperature This field displays the transceiver's temperature in Celsius.
(degree C)
Interface Status
Interface This field displays the port type.
Status This field displays Up when the GPON connection is up or connected and displays Down
when the connection is down.
Rate This field displays the port speed and duplex setting.
Chapter 3 System Information
PM7510-R0 User's Guide
18