Cisco CWDM-GBIC-1610 Manuel d'installation et de spécification - Page 8
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GBIC Module and SFP Module Overview
•
GBIC Module and SFP Module Cabling and Connection Equipment
The GBIC module port is a 1000-Mbps optical interface in the form of an SC-type duplex port (see
Figure
Table 6
Gigabit Ethernet devices. Note that all GBIC module ports have SC-type connectors and all SFP ports
have LC-type connectors.
The minimum cable distance for the WS-G5484 or GLC-SX-MM and WS-G5486 or GLC-LH-SM
(multimode fiber [MMF] and single-mode fiber [SMF]) is 6.5 feet (2 m), and the minimum link distance
for the WS-G5487 or GLC-ZX-SM is 6.2 miles (10 km) with an 8-dB attenuator installed at each end of
the link. Without attenuators, the minimum link distance for the WS-G5487 or GLC-ZX-SM is 24.9
miles (40 km).
Table 6
GBIC and SFP Module Port Cabling Specifications
GBIC Module
SFP Modules
WS-G5484 or
SFP-GE-S or
GLC-SX-MM
GLC-SX-MM
WS-G5486 or
SFP-GE-L or
GLC-LH-SM
GLC-LH-SM
3
WS-G5487
or
SFP-GE-Z or
GLC-ZX-SM
GLC-ZX-SM
GLC-GE-100FX
SFP-GE-F
1. Multimode fiber (MMF) only.
2. A mode-conditioning patch cord is required.
When using the WS-G5486 or GLC-LH-SM with 62.5-micron diameter MMF, you must install a mode-conditioning patch cord between the GBIC module
or SFP module and the MMF cable on both the transmit and the receive ends of the link when link distances are greater than 984 ft (300 m).
We do not recommend using the WS-G5486 or GLC-LH-SM and MMF with no patch cord for very short link distance (tens of meters). The result could
be an elevated bit error rate (BER).
Gigabit Interface Converter (GBIC) Module and Small Form-Factor Pluggable (SFP) GBIC Module Installation Information and Specifications
8
Insert a 5-dB in-line optical attenuator between the fiber-optic cable plant and the receiving port on
the 1000BASE-ZX GBIC module at each end of the link whenever the fiber-optic cable span is equal
to or greater than 15.5 miles (25 km) but less than 31 miles (50 km).
1) that supports IEEE 802.3z interfaces compliant with the 1000BASE-X standard.
provides cabling specifications for the GBIC modules and SFP modules that you install in
Wavelength
(nm)
850
1300
1550
1270 (min),
1300 (avg),
1380 (max)
Core Size
Fiber Type
(micron)
1
MMF
62.5
62.5
50.0
50.0
2
MMF
and
62.5
SMF
50.0
50.0
9/10
SMF
9/10
4
SMF
8
MMF
62.5
62.5
50.0
50.0
Modal
Bandwidth
Maximum
(MHz-km)
Cable Distance
160
722 ft (220 m)
200
902 ft (275 m)
400
1640 ft (500 m)
500
1804 ft (550 m)
500
1804 ft (550 m)
400
1804 ft (550 m)
500
1804 ft (550 m)
—
6.2 miles (10 km)
—
43.5 miles
(70 km)
—
62.1 miles
(100 km)
500
1.4 miles (6562
ft)
OL-5067-08