Cisco C85GE-1X-16K Руководство по установке - Страница 11

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Distance and Pinout Information
Maximum Transmission Distances
Transceiver Speed
Cable Type
10/100-Mbps Ethernet
Category 5 UTP
100-Mbps Ethernet
Multimode fiber
1000-Mbps Ethernet
Multimode fiber
1000-Mbps Ethernet
Single-mode fiber
25-Mbps ATM
Category 5 UTP
155-Mbps ATM
Single-mode fiber, long reach
155-Mbps ATM
Multimode fiber
622-Mbps ATM
Single-mode fiber
622-Mbps ATM
Single-mode fiber, long reach
622-Mbps ATM
Multimode fiber
T1, 1.544-Mbps ATM
Category 5 twisted-pair
E1, 2.048-Mbps ATM
Category 5 twisted-pair and FTP (120 ohm)
E1, 2.048-Mbps ATM
Coaxial cable (75 ohm)
CDS3, 45-Mbps
Coaxial cable
CE1, 2.048-Mbps ATM
Category 5 twisted-pair
CES T1
Category 5 twisted-pair and FTP
CES E1
Category 5 twisted-pair and FTP (120 ohm)
CES E1
Coaxial cable (75 ohm)
DS3, 45-Mbps
Coaxial cable
E3, 34-Mbps
Coaxial cable
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.
Pinouts to RJ-45 Connectors
The 10/100 Mbps Ethernet interface module with unshielded twisted-pair (UTP) ports supports
Max. Distance
RJ-45 connectors. The following table lists the signals for RJ-45 cable connectors.
Between Stations
328 feet (100 m)
Pin
1640 feet (500 m)
1
1640 feet (500 m)
2
16404 feet (5 km)
3
328 feet (100 m)
4
25 miles (40 km)
5
1.2 miles (2 km)
6
9 miles (15 km)
7
1
25 miles (40 km)
8
1640 feet (500 m)
650 feet (198 m)
Pinouts to RJ-48c Connectors
650 feet (198 m)
650 feet (198 m)
The T1, E1, CES T1, and CES E1 port adapters support RJ-48c connectors. The following table lists
the signals for RJ-48c connectors.
450 feet (137 m)
650 feet (198 m)
Pin
650 feet (198 m)
1
820 feet (250 m)
2
650 feet (198 m)
3
450 feet (137 m)
4
1299 feet (396 m)
5
6
7
8
Signal
Description
RxD+
Receive data +
RxD–
Receive data –
NC
No connection
NC
No connection
NC
No connection
NC
No connection
TxD+
Transmit data +
TxD–
Transmit data –
Description
Receive ring
Receive tip
No connection
Transmit ring
Transmit tip
No connection
No connection
No connection