5-3
Cisco ONS 15454 DWDM Reference Manual, R8.5
78-18343-02
Chapter 5      Multiplexer and Demultiplexer Cards
5.1.3    Interface Classes
Table 5-4 lists the optical performance parameters for 10-Gbps cards that provide signal input to 
multiplexer and demultiplexer cards. 
C OC-192 LR ITU cards (TXP_MR_10E, TXP_MR_10E_C, and TXP_MR_10E_L) 
without FEC
D 2.5-Gbps multirate transponder card (TXP_MR_2.5G), both protected and 
unprotected, with FEC enabled
E OC-48 100-GHz DWDM muxponder card (MXP_MR_2.5G) and 2.5-Gbps 
multirate transponder card (TXP_MR_2.5G), protected or unprotected, with FEC 
disabled and retime, reshape, and regenerate (3R) mode enabled
F 2.5-Gbps multirate transponder card (TXP_MR_2.5G), protected or unprotected, 
in regenerate and reshape (2R) mode
G OC-48 ELR 100 GHz card
H 2/4 port GbE transponder (GBIC WDM 100GHz)
I TXP_MR_10E, TXP_MR_10E_C, and TXP_MR_10E_L cards with enhanced 
FEC (E-FEC) and the MXP_2.5G_10E, MXP_2.5G_10E_C, MXP_2.5G_10E_L, 
MXP_MR_10DME_C, and MXP_MR_10DME_L cards with E-FEC enabled
Table 5-3 ONS 15454 Card Interfaces Assigned to Input Power Classes (continued)
Input Power Class Card
Table 5-4 10-Gbps Interface Optical Performance 
Parameter Class A Class B Class C Class I
Type
Power 
Limited
OSNR
1
 
Limited
Power 
Limited
OSNR 
Limited
OSNR 
Limited
Power 
Limited
OSNR 
Limited
Maximum bit rate 10 Gbps 10 Gbps 10 Gbps 10 Gbps
Regeneration 3R 3R 3R 3R
FEC Yes No No Yes (E-FEC)
Threshold Optimum Average Average Optimum
Maximum BER
2
10
–15
10
–12
10
–12
10
–15
OSNR
1
 sensitivity 23 dB 9 dB 23 dB 19 dB 19 dB 20 dB 8 dB
Power sensitivity –24 dBm –18 dBm –21 dBm –20 dBm –22 dBm –26 dBm –18 dBm
Power overload –8 dBm –8 dBm –9 dBm –8 dBm
Transmitted Power Range
3
10-Gbps multirate 
transponder/10-Gbps 
FEC transponder 
(TXP_MR_10G)
+2.5 to 3.5 dBm +2.5 to 3.5 dBm — —
OC-192 LR ITU — — +3.0 to 6.0 
dBm
—