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Cisco ONS 15454 Reference Manual, R8.5.x
78-18106-01
Chapter 3 Electrical Cards
3.9.4 DS3-12E and DS3N-12E Port-Level Indicators
3.9.4 DS3-12E and DS3N-12E Port-Level Indicators
You can find the status of the DS3-12E and DS3N-12E card ports by using the LCD screen on the
ONS 15454 fan-tray assembly. Use the LCD to quickly view the status of any port or card slot; the screen
displays the number and severity of alarms for a given port or slot.
3.10 DS3XM-6 Card
Note For hardware specifications, see the “A.5.9 DS3XM-6 Card Specifications” section on page A-26.
The DS3XM-6 card, commonly referred to as a transmux card, provides six Telcordia-compliant,
GR-499-CORE M13 multiplexing ports. The DS3XM-6 converts six framed DS-3 network connections
to 28 x6 or 168 VT1.5s. DS3XM-6 cards operate at the VT1.5 level.
3.10.1 DS3XM-6 Slots and Connectors
The DS3XM-6 card supports 1:1 protection with the proper backplane EIA. EIAs are available with BNC
or SMB connectors.
You can install the DS3XM-6 in Slots 1 to 6 or 12 to 17. Each DS3XM-6 port features DSX-level outputs
supporting distances up to 137 meters (450 feet) depending on facility conditions. See “7.2 Electrical
Card Protection and the Backplane” section on page 7-5 for more information about electrical card slot
protection and restrictions.
3.10.2 DS3XM-6 Faceplate and Block Diagram
Figure 3-11 shows the DS3XM-6 faceplate and a block diagram of the card.