65
3.2.2 Optical fiber cables (1000BASE-X)
For details about the optical fiber cables to be connected to the 1000BASE-SX or
1000BASE-LX, see the following table.
Table 3-4 Physical specifications of 1000BASE-SX
Item
Physical specifications
Cable Type
Multi-mode
Core/cladding diameter
50
µ
m/125
µ
m
62.5
µ
m/125
µ
m
Transmission band
400 MHz/km
500 MHz/km
160 MHz/km
200 MHz/km
Laser center wavelength
0.770 to 0.860
µ
m
Optical transmission power
(mean)
-9.5 to 0 dBm
Optical reception power
(mean)
-17.0 to 0 dBm
Optical transmission loss
(max.)
7.5 dB
Transmission distance
2 to 500 m
2 to 550 m
2 to 220 m
2 to 275 m
Table 3-5 Physical specifications of 1000BASE-LX
Item
Physical specifications
Cable Type
Multiple-terminal mode
#1
Single mode
Core/cladding diameter
50
µ
m/125
µ
m
62.5
µ
m/125
µ
m 10
µ
m/125
µ
m
Transmission band
400 MHz/km
500 MHz/km
500 MHz/km
-
Laser center wavelength
1.270 to 1.355
µ
m
Optical transmission power
(mean)
-11.5 to -3.0 dBm
-11.0 to -3.0 dBm
Optical reception power
(mean)
-19.0 to -3.0 dBm
Optical transmission loss
(max.)
7.5 dB
8.0 dB
Transmission distance
2 to 550 m
2 m to 5 km
#1: Regarding 1000BASE-LX, some kinds of multiple-terminal mode optical fiber might
increase the BER (bit error rate). In such cases, use of mode-conditioning patch cords can
clear the communication problem.
Содержание GX1000-SMC013X
Страница 94: ...94 5 Configuration Guide 5 1 Base Software Configuration Guide ...
Страница 105: ...105 7 Access Lists 7 1 Access lists ...
Страница 153: ...153 8 Policy Based Switching 8 1 Policy based switching ...
Страница 165: ...165 9 Policy Based Routing 9 1 Policy based routing ...
Страница 177: ...177 Figure 10 1 Overview of mode transitions ...
Страница 188: ...188 14 Configuration Command Reference 14 1 Reading the configuration command reference 14 2 SNMP 14 3 SP functionality ...
Страница 208: ...208 16 Message and Log Reference 16 1 Operation messages and logs 16 2 Device Failure and Event Information ...
Страница 213: ...213 17 MIB Reference 17 1 Private MIBs 17 2 Supported MIB Traps ...
Страница 224: ...224 19 1 Starting the device For details see 5 1 Login procedures in the Base Software Configuration Guide ...
Страница 229: ...229 H W BOOT 11 44 MISC 1 0 SPCT 0 34 10 The updating of the SP files is finished ...
Страница 448: ...448 27 Notes This chapter provides notes on using the WAN acceleration functionality 27 1 Note ...
Страница 451: ...451 28 Additional Information ...