Cisco 7206VXR Configuration Guide - Page 123

Fiber Type, Minimum Maximum - power requirements

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Chapter 3 Installing a Cisco 7200 VXR Router Connecting I/O Controller, NPE-G1, or NPE-G2 Cables is 6.5 feet (2 m), and the minimum link distance for the WS-G5487 or GBIC-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 GBIC-ZX-SM is 24.9 miles (40 km). Table 3-8 GBIC Port Cabling Specifications GBIC WS-G5484= or GBIC-SX= Wavelength (nm) Fiber Type 850 MMF1 Core Size (micron) 62.5 62.5 50.0 Modal Bandwidth Maximum (MHz/km) Cable Distance 160 722 ft (220 m) 200 902 ft (275 m) 400 1640 ft (500 m) WS-G5486= 1300 or GBIC-LX/LH= 50.0 500 MMF2 and 62.5 500 SMF 50.0 400 50.0 500 1804 ft (550 m) 1804 ft (550 m) 1804 ft (550 m) 1804 ft (550 m) 9/10 - 6.2 miles (10 km) WS-G5487= 1550 or GBIC-ZX-SM= SMF 9/10 - SMF3 8 - 43.5 miles (70 km) 62.1 miles (100 km) 1. Multimode fiber (MMF) only. 2. A mode-conditioning patch cord is required. When using the WS-G5486= or GBIC-LX/LH with 62.5-micron diameter MMF, you must install a mode-conditioning patch cord between the GBIC 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 GBIC-LX/LH and MMF with no patch cord for very short link distance (tens of meters). The result could be an elevated bit error rate (BER). 3. Dispersion-shifted single-mode fiber-optic cable. Table 3-10 provides power requirements and power budget information. Table 3-9 GBIC Power Requirements and Power Budget GBIC Transmit Power Minimum Maximum Receive Power Minimum Maximum WS-G5484 or GBIC-SX WS-G5486 or GBIC-LXLH -9.5 dBm1 -9.5 dBm3 -11.5dBm4 -4 dBm1 -3 dBm5 -17 dBm -20 dBm 0 dBm -3 dBm WS-G5487 or GBIC-ZX 0 dBm 5.2 dBm -24 dBm -3 dBm 1. For fiber types 50/125 μm, NA = 0.20 fiber and 62.5/125 μm, NA = 0.275 fiber. 2. For fiber types 50 μm MMF and 62.5 μm MMF. 3. For fiber types 9/125 μm SMF. 4. For fiber types 62.5/125 μm MMF and 50/125 μm MMF. 5. For fiber types 9/125 μm SMF, 62.5/125 μm MMF, and 50/125 μm MMF. 6. For fiber types 50 μm MMF and 62.5 μm MMF. 7. For fiber type 10 μm SMF. Power Budget 7.5 dBm2 7.5 dBm6 and 8.0 dBm7 -24 dBm OL-5013-09 Cisco 7200 VXR Installation and Configuration Guide 3-27

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3-27
Cisco 7200 VXR Installation and Configuration Guide
OL-5013-09
Chapter 3
Installing a Cisco 7200 VXR Router
Connecting I/O Controller, NPE-G1, or NPE-G2 Cables
is 6.5 feet (2 m), and the minimum link distance for the WS-G5487 or GBIC-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 GBIC-ZX-SM is 24.9 miles (40 km).
Table 3-10
provides power requirements and power budget information.
Table 3-8
GBIC Port Cabling Specifications
GBIC
Wavelength
(nm)
Fiber Type
Core Size
(micron)
Modal Bandwidth
(MHz/km)
Maximum
Cable Distance
WS-G5484=
or
GBIC-SX=
850
MMF
1
1.
Multimode fiber (MMF) only.
62.5
160
722 ft (220 m)
62.5
200
902 ft (275 m)
50.0
400
1640 ft (500 m)
50.0
500
1804 ft (550 m)
WS-G5486=
or
GBIC-LX/LH=
1300
MMF
2
and
SMF
2.
A mode-conditioning patch cord is required.
When using the WS-G5486=
or GBIC-LX/LH with 62.5-micron diameter MMF, you must install a mode-conditioning patch
cord between the GBIC 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 GBIC-LX/LH and MMF with no patch cord for very short link distance (tens
of meters). The result could be an elevated bit error rate (BER).
62.5
500
1804 ft (550 m)
50.0
400
1804 ft (550 m)
50.0
500
1804 ft (550 m)
9/10
—
6.2 miles (10 km)
WS-G5487=
or
GBIC-ZX-SM=
1550
SMF
9/10
—
43.5 miles (70 km)
SMF
3
3.
Dispersion-shifted single-mode fiber-optic cable.
8
—
62.1 miles (100 km)
Table 3-9
GBIC Power Requirements and Power Budget
GBIC
Transmit Power
Minimum Maximum
Receive Power
Minimum Maximum
Power Budget
WS-G5484 or GBIC-SX
–9.5 dBm
1
1.
For fiber types 50/125
μ
m, NA = 0.20 fiber and 62.5/125
μ
m, NA = 0.275 fiber.
–4 dBm
1
–17 dBm
0 dBm
7.5 dBm
2
2.
For fiber types 50
μ
m MMF and 62.5
μ
m MMF.
WS-G5486 or
GBIC-LXLH
–9.5 dBm
3
–11.5dBm
4
3.
For fiber types 9/125
μ
m SMF.
4.
For fiber types 62.5/125
μ
m MMF and 50/125
μ
m MMF.
–3 dBm
5
5.
For fiber types 9/125
μ
m SMF, 62.5/125
μ
m MMF, and 50/125
μ
m MMF.
–20 dBm
–3 dBm
7.5 dBm
6
and 8.0
dBm
7
6.
For fiber types 50
μ
m MMF and 62.5
μ
m MMF.
7.
For fiber type 10
μ
m SMF.
WS-G5487 or GBIC-ZX
0 dBm
5.2 dBm
–24 dBm
–3 dBm
–24 dBm