3-2
Cisco ONS 15454 SDH Reference Manual, R5.0
April 2008
Chapter3 Electrical Cards
3.1.1 Card Summary
Note 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 “1.12.1 Card Slot
Requirements” section on page 1-15 for a list of slots and symbols.
3.1.1 Card Summary
Table 3 -1 shows available electrical cards for the ONS15454 SDH.
Table3-1 Electrical Cards
Card Description For Additional Information...
E1-N-14 Provides 14 E-1 ports and supports 1:0,
1:1, and 1:N protection. It operates in
Slots 1 to 5 and Slots 13 to 17.
See the “3.2 E1-N-14 Card”
section on page 3-4.
E1-42 Provides 42 E-1 ports and supports 1:3
protection. It operates in Slots 1 to 4 and
Slots 14 to 17.
See the “3.3 E1-42 Card”
section on page 3-6.
E3-12 Provides 12 E-3 ports and supports 1:0
and 1:1 protection. It operates in Slots 1
to 5 and Slots 13 to 17.
See the “3.4 E3-12 Card”
section on page 3-8.
DS3i-N-12 Provides 12 DS-3 ports and supports 1:0,
1:1, and 1:N protection. It operates in
Slots 1 to 5 and Slots 13 to 17.
See the “3.5 DS3i-N-12
Card” section on page 3-10.
STM1E-12 Provides 12 electrical STM-1 ports and
supports 1:1 protection. It operates in
Slots 1 to 4 and Slots 14 to 17.
See the “3.6 STM1E-12
Card” section on page 3-13.
BLANK Assures fulfillment of EMC
requirements in case of empty interface
card slots.
See the “3.7 B LANK Card”
section on page 3-14.
FMEC-E1 Provides electrical connection into the
system for 14 pairs of 75-ohm 1.0/2.3
miniature coax connectors for
unbalanced E-1 ports from the E1-N-14
card.
See the “3.8 FMEC-E1 Card”
section on page 3-15.
FMEC-DS1/E1 Provides electrical connection into the
system for 14 pairs of 120-ohm balanced
E-1 ports from the E1-N-14 card. It uses
high-density 37-pin DB connectors.
See the “3.9 FMEC-DS1/E1
Card” section on page 3-16.
FMEC E1-120NP Provides electrical connection into the
system for 42 pairs of 120-ohm balanced
E-1 ports from the E1-42 card. It uses
Molex 96-pin LFH connectors.
See the “3.10 FMEC
E1-120NP Card” section on
page 3-18.