Cisco X2-10GB-SR Installation Notes page 5

Table 3
X2 Product Number
DWDM-X2-xx.xx
X2-10GB-T
1. Minimum cabling distance for optical X2 transceivers is 2 meters according to the IEEE 802.3ae standard.
2. Requires a 5-dB 1550-nm, fixed-loss attenuator for distances less than 20 km.
3. For distances up to 30 km, no special link design rules need to be considered. Link distances beyond 30 km require that you
verify the cable characteristics, especially the cable's loss value.
4. When shorter distances of SMF are used, an inline optical attenuator (10 dB) must be used to avoid overloading and damaging
the receiver.
Table 4
X2 Product Number Transceiver Type
X2-10GB-SR
X2-10GB-LR
X2-10GB-ER
X2-10GB-ZR
X2-10GB-LX4
X2-10GB-LRM
OL-23589-01
X2 Transceiver Port Cabling Specifications (continued)
Wavelength
(nm) Cable Type
SeeTable 5 SMF
— CAT6A/
CAT7
(copper)
X2 Transceiver Modules Optical Transmit and Receive Specifications
Transmit Power
(dBm)
10GBASE-SR, –1.2 (Max)
850-nm MMF –7.3 (Min)
10GBASE-LR, 0.5 (Max)
1310-nm SMF –8.2 (Min)
10GBASE-ER, 4.0 (Max)
1550-nm SMF –4.7 (Min)
10GBASE-ZR, 4.0 (Max)
1550-nm SMF
0 (Min)
10GBASE-LX4 – 0.5 per lane
WWDM 1300-nm (Max)
MMF
–6.75 per lane
in OMA (Min)
10GBASE-LR, 0.5 (Max)
1310-nm MMF
–6.5 (Min)
Cisco 10-Gigabit Ethernet X2 Transceiver Modules Installation Note
Modal
Core Size Bandwidth
(microns) (MHz/km
G.652 fiber —
— —
Transmit and
Receive
Receive Wavelength
Power (dBm) (nm)
–1.0 (Max) 840 to 860
–9.9 (Min)
0.5 (Max) 1260 to 1355
–14.4 (Min)
–1.0 (Max) 1530 to 1565
–15.8 (Min)
–7.0 (Max) 1530 to1565
–24.0 (Min)
–0.5 per lane Four lanes;
(Max) overall range:
1269 to 1356
–14.25 per
lane in OMA
(Min)
0.5 (Max) 1260 to 1355
–8.4 (Min
average) and
–6.4 (Min in
OMA)
Overview
Maximum Cabling
1
Distance
4
80 km (49.72 miles)
100 m (328 feet)
5