Distance Limitations For Interface Cables; Fast Ethernet Maximum Distance; Serial Port Maximum Distances (Wic/Vic Cards); T1/E1-Wan Port Maximum Distances - Cisco IAD2430 Series Hardware Installation Manual

Distance Limitations for Interface Cables

Before you connect a device to the synchronous serial port (labeled SERIAL 0), you need to know the
following:
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•
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Distance Limitations for Interface Cables
When planning your installation, consider distance limitations and potential electromagnetic
interference (EMI) as defined by the Electronic Industries Association (EIA). Distance limitation
information is included for the following IAD ports:
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•
•
•
•
•

Fast Ethernet Maximum Distance

The maximum segment distance for Fast Ethernet is 330 feet (100 meters) (specified in IEEE 802.3).

T1/E1-WAN Port Maximum Distances

Table 2-1
Table 2-1
Signal Rate
T1/E1 (CSU)

Serial Port Maximum Distances (WIC/VIC Cards)

Table 2-2
signals.
Table 2-2
Signal Rate
2400
4800
9600
Cisco IAD2430 Series Integrated Access Devices Hardware Installation Guide
2-4
Type of device, DTE or DCE, you are connecting to the synchronous serial interface
Type of connector, male or female, required to connect at the device
Signaling standard required by the device
Fast Ethernet Maximum Distance, page 2-4
T1/E1-WAN Port Maximum Distances, page 2-4
Serial Port Maximum Distances (WIC/VIC Cards), page 2-4
T1/E1-PBX Digital Voice Port Maximum Distances, page 2-6
FXS Analog Voice Port Maximum Distance, page 2-6
FXO Analog Voice Port Maximum Distance, page 2-6
shows the distance limitations for T1/E1 signals (specified in ANSI T1.403).
T1/E1- WAN Port Distance Limitations
Distance (Feet)
6200
shows the standard relationship between signal rate and maximum distance for EIA/TIA-232
EIA/TIA-232 Speed and Distance Limitations
Distance (Feet)
200
100
50
Distance (Meters)
1890
Distance (Meters)
60
30
15
Chapter 2 Planning Your Installation
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