Cisco ONS 15454 EC1-12 - Page 20

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Cisco ONS 15454 Reference Manual, R4.1.x and 4.5
February 2004
Chapter 3 Electrical Cards
DS3XM-6 Card
3.7.4 DS3XM-6 Card-Level Indicators
Table 3-6 describes the three card-level LEDs on the DS3XM-6 card faceplate.
3.7.5 DS3XM-6 Port-Level Indicators
You can find the status of the six DS3XM-6 card ports 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.
3.7.6 DS3XM-6 Card Specifications
Note The I-Temp symbol is displayed on the faceplate of an I-Temp compliant card. A card without this
symbol is C-Temp compliant.
DS3XM-6 card specifications are listed below:
• Input:
– Bit rate: 44.736 Mbps +/–20 ppm
– Frame format: DS-3 ANSI T1.107-1988
– Line code: B3ZS
– Termination: Unbalanced coaxial cable
– Input impedance: 75 ohms +/–5%
– Cable loss: Max 450 ft 734A, RG-59, 728A/Max 79 ft RG-179
– AIS: TR-TSY-000191-compliant
• Output:
– Bit rate: 44.736 Mbps +/– 20 ppm
– Frame format: DS-3 ANSI T1.107-1988
– Line code: B3ZS
– Termination: Unbalanced coaxial cable
– Input impedance: 75 ohms +/–5%
Table 3-6 DS3XM-6 Card-Level Indicators
Card-Level Indicators Description
Red FAIL LED
The red FAIL LED indicates that the card’s processor is not ready. Replace
the card if the red FAIL LED persists.
ACT/STBY LED
Green (Active)
Amber (Standby)
When the ACTV/STBY LED is green, the DS3XM-6 card is operational and
ready to carry traffic. When the ACTV/STBY LED is amber, the DS3XM-6
card is operational and in standby in a 1:1 protection group.
Amber SF LED
The amber SF LED indicates a signal failure or condition such as LOS, LOF,
or high BER on one or more of the card’s ports.