Atm Oc-12 Optical Specifications - Cisco 7603 - Modular Expansion Base Installation Manual

Determining Cable Distances
Table 2-3
Fiber
Interface
Single-Mode
Long Reach
Single-Mode
Intermediate
Reach
Multimode
Short Reach
Table 2-4
Fiber
Interface
Single-Mode
Long Reach
Single-Mode
Intermediate
Reach
Single-Mode
Short Reach

ATM OC-12 Optical Specifications

The maximum distances for ATM fiber-optic network connections are determined by the transmitter
output power, receiver sensitivity, and type of optical source.
distances for multimode fiber (MMF) and single-mode fiber (SMF) cables.
Table 2-5
Characteristic
Optical source
Wavelength
Transmitter output power
Receiver sensitivity
Maximum cabling distance 1640 ft (500 m)
Book Title
2-12
OC-12 Fiber Interface Specifications
Power
Budget Output Power
Min Max
29.0 dB –5.0 dBm 0 dBm
13.0 dB –15.0 dBm –8.0 dBm
7.0 dB –19.0 dBm –14.0 dBm –26.0 dBm –14.0 dBm 1310 nm
OC-48 Fiber Interface Specifications
Power
Budget Output Power
Min Max
26.0 dB –2.0 dBm +3.0 dBm –28.0 dBm –9.0 dBm 1550 nm
13.0 dB –5.0 dBm 0 dBm
8.0 dB –10.0 dBm –3.0 dBm –18.0 dBm –3.0 dBm 1310 nm
ATM OC-12 Optical Specifications for MMF and SMF Cables
Specification
MMF Cable
LED
1300 nm
–19 to –14 dBm
–26 to –14 dBm
Chapter 2
Input Power
Min Max
–34.0 dBm –8.0 dBm
–28.0 dBm –8.0 dBm
Input Power Wavelength
Min Max
–18.0 dBm 0 dBm 1310 nm
Table 2-5 lists the maximum transmission
SMF Cable
Laser
1300 nm
–15 to –8 dBm
–28 to –8 dBm
9.3 miles (15 km)
Preparing for Installation
Wavelength
1550 nm
1310 nm
OL-5077-7