Omron NE1A-EDR01, Operation Manual

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14
Wiring Section 2-2
Note Adjust the ED Router link settings to match the communications settings of
the connected switching hub. If the settings do not match, the link will become
unstable and prevent normal communications. The following table shows the
allowed settings for each switching hub communications mode.
Best = Recommended; OK = Allowed; --- = Not allowed.
Ethernet Connectors
The following standards and specifications apply to the connectors for the
Ethernet twisted-pair cable.
• Electrical specifications: Conforming to IEEE802.3 standards.
• Connector structure: RJ45 8-pin Modular Connector
(conforming to ISO 8877)
Note The ED Router Ethernet port has auto MDI/MDI-X functionality, so either a
straight or cross cable can be used.
Connecting the Cable
!Caution Turn OFF the ED Router power supply before connecting or disconnecting
twisted-pair cable.
!Caution Allow enough space for the bending radius of the twisted-pair cable as shown
in below.
ED Router
Switching hub setting
Auto-
negotiation
10 Mbps (fixed) 100 Mbps (fixed)
Full
duplex
Half
duplex
Full
duplex
Half
duplex
Auto-negotiation Best --- OK --- OK
10 Mbps
(fixed) Full duplex --- OK --- --- ---
Half duplex OK --- OK --- ---
100 Mbps
(fixed) Full duplex --- --- --- Best ---
Half duplex OK --- --- --- OK
Connector pin Signal name Abbr. Signal direction
1 Transmission data + TD+ Output
2 Transmission data – TD– Output
3 Reception data + RD+ Input
4 Not used. --- ---
5 Not used. --- ---
6 Reception data – RD– Input
7 Not used. --- ---
8 Not used. --- ---
Hood Frame ground FG ---