ZyXEL Communications MSC1000G Series, Руководство пользователя

Страница: 306 / 1168

Chapter 9 Subscriber Port Setup Screens
Management Switch Card User’s Guide
306
Frame Select the circuit framing for the E1 line. Both peers must use the same framing setting.
cas : Channel associated signaling.
crc : Clear channel signaling (CRC4 multiframe format).
cascrc : Channel associated signaling (CRC4 multiframe format).
Impedance Select the impedance in ohms that the IMA line card should use for the E1 port.
Select 75 if you use a coaxial cable or 120 if you use a twisted pair cable for the connection.
Alarm
Profile Select an E1 alarm profile to define the thresholds that trigger an alarm on the port when
exceeded. You can configure E1 alarm profiles in the
Profile > Alarm E1 screen.
Customer
Info Enter information to identify the device or network connected to this E1 port. You can use up to
47 printable English keyboard characters (including spaces and hyphens).
Timing
Source Select local to have the selected E1 port follow the clock of the IMA line card. Select the
number of an E1 port (1~8) to have the E1 port follow the clock of the connected ADM device
through the E1 line you select here.
Note: This setting only works when the clock setting of the IMA group to which the E1 port
belongs is
itc
. See Section 10.4 on page 317 .
Apply Click Apply to save the changes in this screen to the system’s volatile memory. The system
loses these changes if it is turned off or loses power, so use the Config Save link on the
navigation panel and then the Save button to save your changes to the non-volatile memory
when you are done configuring.
Cancel Click Cancel to begin configuring the screen again.
Copy Do the following to copy the settings you configure above to another port or ports.
1. Click Copy .
2. Select to which line card you want to copy the settings.
3. Select to which ports on the line card you want to copy the settings. Use Select All to
select every port. Use Select None to clear all of the check boxes.
4. Click Apply to paste the settings.
ID This column lists the slot numbers of the line cards. Click the ID number of an active DSL line
card to go to a screen where you can view and delete PVCs from the line card’s DSL ports.
State This field displays the line card’s current operational status.
active means the line card is operating normally.
init means the MSC is initializing the line card.
disable means a manager has disabled the line card.
inactive means the line card is starting up or is not operating normally. This could be due to
the card starting, a firmware upgrade in progress or a malfunction. See Section 38.7 on page
1111 for what to do if the line card stays stuck in the inactive state.
Card Type This field displays the type of a line card.
Table 141
E1 Port Setup (continued)
LABEL DESCRIPTION