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Cisco ONS 15454 Reference Manual, R7.0
78-17191-01
Chapter 2 Common Control Cards
2.4 2.4.3 XCVT Hosting DS3XM-6 or DS3XM-12
2.4.3 XCVT Hosting DS3XM-6 or DS3XM-12
A DS3XM card can demultiplex (map down to a lower rate) M13-mapped DS-3 signals into 28 DS-1s
that are then mapped to VT1.5 payloads. The VT1.5s can then be cross-connected by the XCVT card.
The XCVT card can host a maximum of 336 bidirectional VT1.5s.
2.4.4 XCVT Card-Level Indicators
Table 2-15 shows the two card-level LEDs on the XCVT card faceplate.
VT9 Group2/VT2
VT10 Group3/VT2
VT11 Group4/VT2
VT12 Group5/VT2
VT13 Group6/VT2
VT14 Group7/VT2
VT15 Group1/VT3
VT16 Group2/VT3
VT17 Group3/VT3
VT18 Group4/VT3
VT19 Group5/VT3
VT20 Group6/VT3
VT21 Group7/VT3
VT22 Group1/VT4
VT23 Group2/VT4
VT24 Group3/VT4
VT25 Group4/VT4
VT26 Group5/VT4
VT27 Group6/VT4
VT28 Group7/VT4
Table 2-14 VT Mapping (continued)
ONS 15454 VT Number Telcordia Group/VT Number