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Cisco ONS 15454 Reference Manual, R8.5.x
78-18106-01
Chapter 3 Electrical Cards
3.11.7 DS3XM-12 Slots and Connectors
3.11.7 DS3XM-12 Slots and Connectors
The DS3XM-12 card can be used with BNC, SMB, SCSI (UBIC), or MiniBNC EIA connectors.
The card can be installed in Slots 1 to 6 or 12 to 17. E ach DS3XM-12 port features DSX-level outputs
supporting distances up to 137 meters (450 feet) depending on facility conditions.
3.11.8 DS3XM-12 Faceplate and Block Diagram
Figure 3-12 shows the DS3XM-12 faceplate and a block diagram of the card.
DS1 Auto-Frame
Detection
DS1 frame autodetection and autoprovisioning
Manual DS1 frame
provisioning
Works in conjunction with the DS1 autoframe detection and gives you
override capability
Manual DS3 frame
provisioning
Legacy feature (C-Bit and M23 frame formats are supported)
J1 Legacy feature (extended to 6 additional ports)
J2 336 J2 strings are supported
Portless Supports DS3 data from the backplane in addition to the DS3 data from the
line interface unit
Diagnostics Power-up diagnostics on working and protect cards
Testing Connectivity, error rate, and error count of the traffic running on an Electrical
IO card ports can be tested by using BERT. For more information on BERT,
see 3.2 Bit Error Rate Testing, page 3-4.
Table 3-15 DS3XM-12 Features
Feature Description