Cisco 15454-TCC - Network Processor Card Spécifications Page 229

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4-39
Cisco ONS 15454 Troubleshooting and Maintenance Guide
November 2001
Chapter 4 Card Reference
DS1-14 Card
4.12.1 DS1-14 Hosted by XCVT
All 14 VT1.5 payloads from a DS1-14 card are carried in a single STS-1 to the XC or XCVT card where
the payload is further aggregated for efficient STS-1 transport. XCVT cards host a maximum of 336
bidirectional VT1.5s.
4.12.2 DS1-14 Card-Level Indicators
The DS1-14 card faceplate has three LEDs.
4.12.3 DS1-14 Port-Level Indicators
You can obtain the status of the DS1-14 card ports using the LCD screen on the ONS 15454 fan-tray
assembly. Use the LCD to view the status of any port or card slot; the screen displays the number and
severity of alarms for a given port or slot. See Chapter 1, Alarm Troubleshooting for a complete
description of the alarm messages.
4.12.4 DS1-14 Specifications
DS1-14 Input
Bit Rate: 1.544 Mbps +/- 32 ppm
Frame Format: Off, SF (D4), ESF
Line Code: AMI, B8ZS
Termination: Wire-wrap, AMP Champ
Input Impedance:100 ohms
Cable Loss: Max 655 ft. ABAM #22 AWG
AIS: TR-TSY-000191-compliant
DS1-14 Output
Bit Rate: 1.544 Mbps +/- 32 ppm
Frame Format: Off, SF (D4), ESF
Line Code: AMI, B8ZS
Table 4-23 DS1-14 Card-Level Indicators
Card-Level Indicators Description
Red FAIL LED
The red FAIL LED indicates that the cards processor is not ready. Replace
the card if the red FAIL LED persists.
ACT/STBY LED
Green (Active)
Amber (Standby)
The green/amber ACT/STBY LED indicates whether the DS1-14 card is
operational and ready to carry traffic (green) or in standby mode (amber).
Amber SF LED
The amber SF LED indicates a signal failure or condition such as LOS, LOF
or high BERs on one or more of the cards ports.
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