Omron NSJ CONTROLLERS - 03-2008 Operation Manual page 92

Specifications
Ethernet Communications Specifications (Expansion Unit)
Item
Type
Media access method
Modulation method
Transmission paths
Baud rate
Transmission media
Transmission distance
Number of cascade connections
Functions
100Base-TX (Can be used as 10Base-T)
CSMA/CD
Baseband
Star form
100 Mbit/s (100Base-TX)
Unshielded twisted-pair (UTP) cable
Categories: 5, 5e
Shielded twisted-pair (STP) cable
Categories: 100 Ω at 5, 5e
100 m (distance between hub and node)
2
• FINS communications service
• Socket service (UDP/TCP)
• FTP server
• Email send/receive
• Automatic clock adjustment
Refer to the Ethernet Units Construction of Networks Operation Manual
(W420) and the Ethernet Units Construction of Applications Operation Manual
(W421) for other specifications.
Specifications
10 Mbit/s (10Base-T)
Unshielded twisted-pair (UTP) cable
Categories: 3, 4, 5, 5e
Shielded twisted-pair (STP) cable
Categories: 100 Ω at 3, 4, 5, 5e
4
Section 3-1
61