Nortel Networks 1000BASE-SX - Manual (Page 70)

70 GBIC specifications
Table 35
CWDM GBIC specifications
Parameter Specifications
Connectors SC
Cabling SMF, 9 µm
Data rate 0.0125 to 1.25 Gbit/s
Total system budget
@ 1.25 Gbit/s
BER < 10
-9 w/PRBS 2 7 -1
30 dB — Total system budget is defined as P
out
- P
in
- typical
connector losses.
Data format Electrical 8B/10B; optical 64B/66B
Operating temperature
(case temperature) 0 to 70C
Storage temperature -10 to 85C
Distance Up to 120 km
The following table describes CWDM GBIC optical characteristics. In this
table, the center wavelength range "x" is 1470, 1490, 1510, 1530, 1550,
1570, 1590, or 1610 nm.
Table 36
CWDM GBIC optical specifications
Parameter Symbol Minimum Typical Maximum
Transmitter center wavelength range
(nm) for a case temperature of 0 to
70C λ
c
(x-4) (x+1) (x+7)
Transmitter center wavelength range
(nm) for a case temperature of 0 to
60C λ
c
(x-4) (x+1) (x+6)
Wavelength temperature
dependence 0.08 nm/C
Side mode suppression ratio SMSR 30 dB
Transmitter optical output power
(average power coupled into single
mode fiber) P
out
+2.0 dBm +6.0 dBm
Transmitter extinction ratio OMI 9 dB
Transmitter eye opening (conforms
with IEEE 802.3 and Fibre Channel
Eye Masks) 60%
Optical return loss ORL 14 dB
Input wavelength
λ
in
1450 nm 1620 nm
Nortel Metro Ethernet Routing Switch 8600
Installation — SFP, XFP, GBIC, and OADM Hardware Components
NN46220-301 01.01 Standard
5.0 1 May 2008
Copyright © 2008, Nortel Networks
.