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Cisco ONS 15454 SDH Reference Manual, R5.0
April 2008
Chapter 3 Electrical Cards
3.1.2 Card Compatibility
3.1.2 Card Compatibility
Table 3-2 lists the CTC software compatibility for each electrical card. See Table 2-4 on page 2-3 for a
list of cross-connect cards that are compatible with each electrical card.
3.2 E1-N-14 Card
The 14-port ONS 15454 SDH E1-N-14 card provides 14 ITU-compliant, G.703 E-1 ports. Each port of
the E1-N-14 card operates at 2.048 Mbps over a 120-ohm, twisted-pair copper cable (with FMEC-E1)
or over a 75-ohm unbalanced coaxial cable (with FMEC-E1). Figure 3-1 shows the E1-N-14 faceplate
and block diagram.
Caution This interface can only be connected to Safety Extreme Low Voltage (SELV) circuits. The interface is
not intended for connection to any Australian telecommunications network without the written consent
of the network manager.
Table 3-2 Electrical Card Software Release Compatibility
Electrical
Card R3.3 R3.4 R4.0 R4.1 R4.5 R4.6 R4.7 R5.0
E1-N-14
Yes Yes Yes Yes — Yes — Yes
E1-42
——Yes— — Yes — Yes
E3-12
Yes Yes Yes Yes — Yes — Yes
DS3i-N-12
Yes Yes Yes Yes
(4.1.2)
—Yes— Yes
STM1E-12
———————Yes