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ATM Service Class Application Matrix
***Optimum, **Good, *Fair, N/S not suitable, not quoted entries are not applicable with current feature set, but may be supported in the future.
Physical Interface Specifications
The ATM OC-3 network modules comply with SDH G.707 and G.708 specifications. Three different versions, each
with a different physical interface, support OC-3c/STM-1 multimode, OC-3c/STM-1 single-mode
intermediate-reach, and OC-3c/STM-1 single-mode long-reach modes.
Table 4 Interface Specifications
*Note: this is thespeed of the interface, notthe maximum speed supportedby the ATM network modulein the Cisco 3600 series.The actual maximum supported
speed ranges between 20 and 80 Mbps depending on packet size.
Application Areas for ATM Service Categories
Application Area UBR rt-VBR nrt-VBR ABR CBR
Critical Data
N/S * *** * **
LAN Interconnect LAN Emulation
** * ** *** *
Data Transport/Internetworking
(IP- FR-SMDS)
** * ** *** *
Circuit Emulation (CES)
N/S ** N/S N/S ***
POTS/ISDN – Videoconference
N/S N/S ***
Compressed Audio
* *** ** ** *
Video Distribution
N/S ** * N/S ***
Interactive Multimedia
N/S *** ** **
Interface Rate
Connect
or Type Cable Type Wavelength
Maximum
Distance
OC-3c/STM-1 Multimode
155
Mbps*
SC 62.5/125 m
multimode
1270 to 1380
nm
2 km
OC-3c/STM-1 Single-Mode Intermediate Reach
155
Mbps*
SC 9 m single
mode
1260 to 1360
nm
15 km
OC-3c/STM-1 Single-Mode Long Reach
155
Mbps*
SC 9 m single
mode
1260 to 1360
nm
45 km