Cisco 2525 Préparation de l'installation - Page 14
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Preparing to Connect to a Network
Table 2-5
Data Rate
(Baud)
2400
4800
9600
19200
38400
57600
115200
The use of balanced drivers allows EIA/TIA-449 signals to travel greater distances than the
EIA/TIA-232 standard. Table 2-6 lists the standard relationship between baud rate and
maximum distance for EIA/TIA-449 signals. These limits are also valid for V.35 and X.21.
Table 2-6
Data Rate
(Baud)
2400
4800
9600
19200
38400
56000
T1
Caution
Exceeding this maximum could result in loss of data and is not recommended.
2-14 Cisco 2524 and Cisco 2525 Router User Guide
EIA/TIA-232 Speed and Distance Limitations
Distance
Distance
(Feet)
(Meters)
200
60
100
30
50
15
50
15
50
15
25
7.6
12
3.7
EIA/TIA-449 Speed and Distance Limitations
Distance
Distance
(Feet)
(Meters)
4,100
1,250
2,050
625
1,025
312
513
156
256
78
102
31
50
15
The EIA/TIA-449 and V.35 interfaces support data rates up to 2.048 Mbps.