CHAPTER
3-1
Cisco ONS 15454 Reference Manual, R4.1.x and 4.5
February 2004
3
Electrical Cards
This chapter describes Cisco ONS 15454 electrical card features and functions. For installation and card
turn-up procedures, refer to the Cisco ONS 15454 Procedure Guide. For information on the electrical
interface assemblies (EIAs), see the “Electrical Interface Assemblies” section on page 15.
Chapter topics include:
• Electrical Card Overview, page 1
• Electrical Card Warnings, page 2
• EC1-12 Card, page 2
• DS1-14 and DS1N-14 Cards, page 5
• DS3-12 and DS3N-12 Cards, page 10
• DS3-12E and DS3N-12E Cards, page 14
• DS3XM-6 Card, page 18
3.1 Electrical Card Overview
For software and cross-connect card compatibility information, see the “Card Compatibility” section on
page 2.
Each card is marked with a symbol that corresponds to a slot (or slots) on the ONS 15454 shelf assembly.
The cards are then installed into slots displaying the same symbols. See the “Cards and Slots” section
on page 42 for a list of slots and symbols.
Table 3-1 lists the Cisco ONS 15454 electrical cards.
Table 3-1 Cisco ONS 15454 Electrical Cards
Electrical Card Name Description For additional information
EC1-12
The EC1-12 card provides 12 Telcordia-compliant,
GR-253 STS-1 electrical ports per card. Each port
operates at 51.840 Mbps over a single 750-ohm 728A
or equivalent coaxial span.
See the “EC1-12 Card” section on page 2.
DS1-14
The DS1-14 card provides 14 Telcordia-compliant
GR-499 DS-1 ports. Each port operates at 1.544
Mbps over a 100−ohm twisted-pair copper cable.
See the “DS1-14 and DS1N-14 Cards”
section on page 5.
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