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Cisco ONS 15454 SDH Reference Manual, R5.0
April 2008
Chapter3 Electrical Cards
3.3.2 E1-42 Card-Level Indicator s

3.3.2 E1-42 Card-Level Indicators

Table 3 -4 describes the three LEDs on the E1-42 card faceplate.

3.3.3 E1-42 Port-Level Indicators

You can obtain the status of the 42 E-1 ports using the LCD screen on the ONS 15454 SDH 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. Refer to the Cisco ONS 15454 SDH Troubleshooting Guide
for a complete description of the alarm messages.
3.4 E3-12 Card
The 12-port ONS 15454 SDH E3-12 card provides 12 ITU-compliant, G.703 E-3 ports per card. Ea ch
interface operates at 34.368 Mbps over a 75-ohm coaxial cable (with the FMEC-E3/DS3 card). The
E3-12 card operates as a working or protect card in 1:1 pr otection schemes.
Caution This interface can only be connected to SELV circuits. The interface is not intended for connection to
any Australian telecommunications network without the written consent of the network manager.
Note The E3-12 card can be deployed in a central office or a carrier’s exchange.
Figure 3-3 shows the E3-12 card faceplate and block diagram.
Table3-4 E1-42 Card-Level Indicators
Card-Level LEDs Description
Red FAIL LED Indicates that the card’s processor is not ready. The FAIL LED is on during
reset and flashes during the boot process. Replace the card if the FAIL LED
persists in flashing.
ACT/STBY L ED
Green (Active)
Amber (Standby)
Indicates that the E1-42 card is operational and ready to carry traffic (green)
or that the card is in Standby mode (amber).
Amber SF LED Indicates a signal failure or condition such as LOS, LO F, or high BERs on
one or more of the card’s ports.