Distances

I took distances from the Cisco Catalyst 8510 MSR router documentation.

Maximum Transmission Distances
Transceiver Speed
Cable Type
Max. Distance Between Stations
Meter Feet
10/100-Mbps Ethernet Category 5 UTP 100 m 328 feet
100-Mbps Ethernet Multimode fiber 500 m 1640 feet
1000-Mbps Ethernet Multimode fiber 500 m 1640 feet
1000-Mbps Ethernet Single-mode fiber 5 km 16404 feet
25-Mbps ATM Category 5 UTP 100 m 328 feet
155-Mbps ATM Single-mode fiber, long reach 40 km 25 miles
155-Mbps ATM Multimode fiber 2 km 1.2 miles
622-Mbps ATM Single-mode fiber 15 km 9 miles
622-Mbps ATM Single-mode fiber, long reach 40 km (1) 25 miles
622-Mbps ATM Multimode fiber 500 m 1640 feet
T1, 1.544-Mbps ATM Category 5 twisted-pair 198 m 650 feet
E1, 2.048-Mbps ATM Category 5 twisted-pair and FTP (120 ohm) 198 m 650 feet
E1, 2.048-Mbps ATM Coaxial cable (75 ohm) 198 m 650 feet
CDS3, 45-Mbps Coaxial cable 137 m 450 feet
CE1, 2.048-Mbps ATM Category 5 twisted-pair 198 m 650 feet
CES T1 Category 5 twisted-pair and FTP 198 m 650 feet
CES E1 Category 5 twisted-pair and FTP (120 ohm) 250 m 820 feet
CES E1 Coaxial cable (75 ohm) 198 m 650 feet
DS3, 45-Mbps Coaxial cable 137 m 450 feet
E3, 34-Mbps Coaxial cable 396 m 1299 feet
  1. If you are attaching a short cable to the 622-Mbps long-reach port adapter, you must add 10 dB of attenuation to the cable or the transmitter might overdrive the receiver and introduce data errors. (for Cisco Catalyst 8510 msr)