7-3
Cisco ONS 15454 Reference Manual, R7.0
78-17191-01
Chapter 7 Card Protection
7.1 7.1.2 1:N Protection
Figure 7-2 Example: ONS 15454 Cards in a 1:N Protection Configuration (SMB EIA)
Table 7-1 provides the supported 1:N configurations by electrical card, as well as the card types that can
be used for working and protection cards. Additional engineering rules for 1:N card deployments will
be covered in the following sections.
TCC+
XC10G
AIC (Optional)
XC10G
TCC+
Working
Working
Working
Working
Working
Working
Working
Working
Working
Working
1:N Protection
1:N Protection
1:N Protection
32106
Table 7-1 Supported 1:N Protection by Electrical Card
Working Card Protect Card
Protect Group
(Maximum) Working Slot Protection Slot
DS1-14 or DS1N-14 DS1N-14 N < 5 1, 2, 4, 5, 6 3
12, 13, 14, 16, 17 15
DS1/E1-56 DS1/E1-56 N < 21
1, 22
1. A high-density electrical card inserted in Slot 1 restricts the use of Slots 5 and 6 to optical, data, or storage cards.
2. A high-density electrical card inserted in Slot 2 restricts the use of Slots 4 and 6 to optical, data, or storage cards.
3
163, 17415
DS3-12/DS3-12E or
DS3N-12/DS3N-12E
DS3N-12/DS3N-12E N < 5 1, 2, 4, 5, 6 3
12, 13, 14, 16, 17 15
DS3i-N-12 DS3i-N-12 N < 5 1, 2, 4, 5, 6 3
12, 13, 14, 16, 17 15
DS3/EC1-48 DS3/EC1-48 N < 21
5, 263
167, 17815
DS3XM-12
(Transmux)
DS3XM-12
(Transmux)
N < 5 1, 2, 4, 5, 6 3
12, 13, 14, 16, 17 15
DS3XM-12
(Transmux)
DS3XM-12
(Transmux)
N < 7
(portless9)
1, 2, 4, 5, 6, 12, 13,
14, 15, 16, 17
3
1, 2, 3, 4, 5, 6, 12,
13, 14, 16, 17
15