Alarm Connectors
The NCS 2006 ECU and ECU-S modules have two SCSI alarm connectors that are used to connect NCS 2006
to support external alarms. The alarm connectors provide dry alarm contacts and are similar to the AIC-I card
of the ONS 15454 M12. shelf. The left alarm connector is used for TNC and TNCE relay contact, including
Alarm Cut Off (ACO) signal and Digital Input/Output (D-I/O) signals. The right alarm connector is used for
Digital Input/Output (D-I/O) signals. To export alarms from the NCS 2006 shelf to a third party device, use
the output pins of either the right alarm connector or the left alarm connector.
When external controls are not provisioned, 14 external input alarms are available. Input alarm 11 and input
alarm 12 are available on the left side connector; input alarm 13 and input alarm 14 are available on the right
side connector.
When external controls are provisioned, only 10 external input alarms are available.
In a multishelf configuration, alarms on the subtended shelves cannot be extended through the node
controller.
Note
See Table 6-2 and Table 6-3 for pin details of the alarm connectors.
ECU60-S does not support alarm connections.Note
Passive Unit Inventory Interfaces
The passive unit inventory interfaces (USB ports) are used to retrieve inventory information from passive
devices such as fiber trays, FBG DCU, patch panels, passive multiplexer or demultiplexer, and so on. There
are 12 USB ports on the NCS 2006 ECU module. The inventory details are displayed in the Inventory tab in
CTC.
The USB 3.0 port delivers power to the NCS2K-MF-6RU or the NCS2K-MF10-6RU unit when they are
connected to the NCS 2006 ECU-S.
The 12 passive inventory ports on the NCS 2006 ECU module are labeled 1 to 12. However, CTC represents
the passive inventory ports as USBP_SIDE_PORT, where SIDE can be A or B, and PORT can be any
value from 1 to 12. For example, Port 1 on the left side of the ECU module is represented as USBP_A_1
and Port 1 on the right side of the NCS 2006 ECU module is represented as USBP_B_ 1. The left side of
the NCS 2006 ECU module is Side A and the right side of the NCS 2006 ECU module is Side B.
Note
Cisco NCS 2000 Series Hardware Installation Guide
275
Installing the Cisco NCS 2006 Door and Other Modules
Alarm Connectors
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