Ethernet Communication Specifications - M2I TOPR Series Hardware Manual

5.1.4 COM2 Connector pin number and Signal name
Type
9Pin Female
5.1.5 COM3 Connector pin number and Signal name
Type
Be sure to connect the RD and SD to the RS-232C communication line by crossing each other with a Twisted
Pair Cable. Please connect SG directly.
RS-422/485 communication line must use RDA and RDB as Twisted Pair Cable, SDA and SDB as Twisted Pair
Cable.

5.2 Ethernet Communication Specifications

5.2.1 Ethernet
Item
Ethernet Method
Speed
Communication Method
Switching Method
Maximum Segment Length 100M (Hub between product)
Communication Cable
Modular Jack
5.2.2 RJ-45 Pin Layout
Type
M2I Corporation
11-35, Simin-daero 327beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do 14055, Korea, Tel: +82-70-465-3366, Fax: +82-31-465-3355, www.m2i.co.kr
Pin No. Signal
1 RDA(RD+)
2 RD(RxD)
3 SD(TxD)
4 RDB(RD-)
5 SG
6 SDA(SD+)
7 RTS
8 CTS
9 SDB(SD-)
Pin No. Signal
1 D+
2 D-
3 SG
IEEE802.3i/IEEE802.3u, 10BaseT / 100BaseT
10M / 100Mbps
Base Band
AUTO MDIX
UTP (Unshielded Twisted Pair)
RJ45 x 2ch.
Pin No. Color
1 Orange/White
2 Orange
3 Green/White
4 Blue
5 Blue/White
6 Green
7 Brown/White
8 Brown
TOPR Series (Process Module) Hardware Manual
Direction Description
Input RS-422/485 Receive Data(+)
Input RS-232C Receive Data
Output RS-232C Send Data
Input RS-422/485 Receive Data(-)
- Signal Ground
Output RS-422/485 Send Data(+)
Output RS-232C Request to Send
Input RS-232C Clear To Send
Output RS-422/485 Send Data(-)
Direction Description
RS-485 Data (+)
IN/OUTPUT
RS-485 Data (-)
IN/OUTPUT
- Signal Ground
Description
Signal
TD+
TD-
RD+
Not Available in 10BaseT
Not Available in 10BaseT
RD-
Not Available in 10BaseT
Not Available in 10BaseT
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