Electrical Card Warnings; Ec1-12 Card - Cisco ONS 15454 EC1-12 Reference Manual

Electrical Card Warnings

Table 3-1 Cisco ONS 15454 Electrical Cards (continued)
Electrical Card Name Description
DS1N-14 The DS1N-14 card supports the same features as the
DS1-14 card but can also provide 1:N (N<5)
protection.
DS3-12 The DS3-12 card provides 12 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.
DS3N-12
The DS3N-12 supports the same features as the
DS3-12 but can also provide 1:N (N<5) protection.
DS3-12E
The DS3-12E card provides 12 Telcordia-compliant
ports per card. Each port operates at 44.736 Mbps
over a single 75-ohm 728A or equivalent coaxial
span. The DS3-12E card provides enhanced
performance monitoring functions.
DS3N-12E The DS3N-12E card supports the same features as
the DS3-12E but can also provide 1:N (N<5)
protection.
DS3XM-6 (Transmux) The DS3XM-6 card provides six
Telcordia-compliant GR-499-CORE M13
multiplexing functions. The DS3XM-6 converts six
framed DS-3 network connections to 28x6 or 168
VT1.5s.
3.2 Electrical Card Warnings
Warning Do not directly touch the backplane with your hand or any metal tool, or you could shock yourself.
Caution When working with cards, wear the supplied ESD wristband to avoid ESD damage to the card. Plug the
wristband cable into the ESD jack located on the lower-right outside edge of the shelf assembly.

3.3 EC1-12 Card

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 75 ohm 728A or equivalent coaxial span.
STS path selection for UNEQ-P, AIS-P, and bit error rate (BER) thresholds is done on the SONET ring
interfaces (optical cards) in conjunction with the STS cross-connect. The EC1-12 terminates but does
not select the 12 working STS-1 signals from the backplane. The EC1-12 maps each of the 12 received
EC1 signals into 12 STS-1s with visibility into the SONET path overhead.
Cisco ONS 15454 Reference Manual, R4.1.x and 4.5
3-2
Chapter 3
For additional information
See the "DS1-14 and DS1N-14 Cards"
section on page 5.
See the "DS3-12 and DS3N-12 Cards"
section on page 10.
See the "DS3-12 and DS3N-12 Cards"
section on page 10.
See the "DS3-12E and DS3N-12E Cards"
section on page 14.
See the "DS3-12E and DS3N-12E Cards"
section on page 14.
See the "DS3XM-6 Card" section on
page 18.
Electrical Cards
February 2004