Ds3-12 And Ds3N-12 Port-Level Indicators; Ds3/Ec1-48 Card; Ds3/Ec1-48 Slots And Connectors - Cisco 15454-DS1-14= - 1.544Mbps Expansion Module Reference Manual

3.6.4 DS3-12 and DS3N-12 Port-Level Indicators

3.6.4 DS3-12 and DS3N-12 Port-Level Indicators
You can find the status of the 12 DS3-12 and 12 DS3N-12 card ports by 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.

3.7 DS3/EC1-48 Card

For hardware specifications, see the
Note
The ONS 15454 DS3/EC1-48 card provides 48 Telcordia-compliant, GR-499 DS-3 ports per card. Each
port operates at 44.736 Mbps over a single 75-ohm 728A or equivalent coaxial span. The DS3/EC1-48
card operates as a working or protect card in 1:N protection schemes, where N <= 2.
When a protection switch moves traffic from the DS3/EC1-48 working/active card to the DS3/EC1-48
Caution
protect/standby card, ports on the now active/standby card cannot be taken out of service. Lost traffic
can result if you take a port out of service, even if the DS3/EC1-48 standby card no longer carries traffic.

3.7.1 DS3/EC1-48 Slots and Connectors

For SONET applications, the DS3/EC1-48 card requires an HD shelf (15454-SA-HD) and EIA (UBIC,
MiniBNC); Software Release 5.0 or greater; and XC10G or XC-VXC-10G cards.
Note The DS3/EC1-48 card supports an errorless software-initiated cross-connect card switch when used in a
shelf equipped with XC-VXC-10G and TCC2/TCC2P cards.
You can install the DS3/EC1-48 card in Slots 1 to 3 or 15 to 17 on the ONS 15454, but installing this
card in certain slots will block the use of other slots.
other electrical cards when the DS3/EC1-48 card is installed in a particular slot.
Table 3-9
Slot
1
2
3
15
16
17
Do not install low-density DS-1 cards in the same side of the shelf as DS3/EC1-48 cards.
Caution
Cisco ONS 15454 Reference Manual, R8.5
3-16
"A.5.4 DS3/EC1-48 Card Specifications" section on page
DS3/EC1-48 Slot Restrictions
Additional Unusable Slots for Electrical Cards
5 and 6
3 or 4 (except another DS3/EC1-48 card can be installed in Slot 3)
—
—
14 and 15 (except another DS3/EC1-48 card can be installed in Slot 15)
12 and 13
Chapter 3
Table 3-9 shows which slots become unusable for
Electrical Cards
A-20.
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