System Management
7210 SAS D, E, K OS Basic System Configuration Guide Page 215
Figure 27: 1830 CWDM shelf layout
The Slot#1 in the figure accepts only the controller card and is named using the acronym EC-CW
for 1830 CWDM device. The 7210 does not require provisioning of this card. This card type is
implicitly specified when user configures the 1830 VWM shelf type. Only if this card is present
and connected to the 7210, the 7210 provides inventory and equipment management capability. If
it is not present, this management functionality is lost. It is possible to operate the 1830 CWDM
device as a passive filter without the controller card in slot#1. It cannot be managed with the 7210.
Slot #2 and slot #3 can be equipped with supported CWDM filter cards. User must provision the
cards that will be populated in these slots. 7210 software checks and ensures that the equipped
card type matches the provisioned card type and logs an event if it does not match.
1830 DWDM shelf layout and description
The following describes the 1830 DWDM shelf and the entities that can be managed by 7210
SAS:
Figure 28: 1830 DWDM Shelf layout
• The slot #1 and slot #2 are capable of hosting DWDM Power and Controller modules
(either EC-DW or EC-DWA). These slots hosts the Equipment Controller, power is
provided by the Service NE (using EC-DW unit) or the TRU (using EC-DWA unit), in
accordance with the system configuration and the Equipment Controller used. On the top
side of the Equipment Controller, there is a rotary switch to set the SHELF_ID. In a
stacked configuration, each Shelf_ID must be uniquely set. The Shelf_ID must be the
same for both active and stand-by controllers in one shelf.
• The slots #1 and slots #2 are not directly provisioned by the user in 7210. The user has to
provision/configure the vwm-type that 7210 manages. ‘vwm-type’ can be ec-cw, ec-dw,
or ec-dwa, indicating that the shelf is a CWDM passive shelf or a DWDM passive shelf or
a DWDM active shelf.
• The first 1830 DWDM device that is connected to a 7210 node using the OMC port or the
USB port must be equipped with active DWDM controllers, while passive DWDM
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