Nortel Networks 1000BASE-SX - Manual (Page 71)

1000BASE-EX CWDM GBIC specifications 71
Parameter Symbol Minimum Typical Maximum
Receiver optical input power (BER <
10
-9 w/PRBS 2 7 -1) at 1.25 Gb/s, 60C
case temperature.
P
in
-30 dBm -7 dBm
Receiver optical input power (BER <
10
-9 w/PRBS 2 7 -1) at 1.25 Gb/s, 70C
case temperature.
P
in
-28 dBm -7 dBm
Dispersion power penalty at 60 km 2.0 dB
Dispersion power penalty at 100 km 3.0 dB
The following table describes the CWDM GBIC electrical power interface
specifications.
Table 37
Electrical power interface specifications
Parameter Symbol Minimum Typical Maximum
Supply current I
s
250 mA 300 mA
Maximum voltage V
max
6 V
Surge current I
surge
350 mA
Input voltage V
cc
4.75 V 5.00 V 5.25 V
Nortel Metro Ethernet Routing Switch 8600
Installation — SFP, XFP, GBIC, and OADM Hardware Components
NN46220-301 01.01 Standard
5.0 1 May 2008
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.