Section 2 Installation Installing the PM8xx/TP830 Processor Unit in Single Configuration
3BSE 027 941 R301 61
Communication Ports
CN1 and CN2
The control network connects to one or two RJ45 connectors (CN1 and CN2)
depending on network option (single or redundant).
Use an RJ45 connector for IEEE802.3 (Ethernet) for connecting to a category 5
Shielded Twisted Pair cable (STP class 5).
The IEEE standard language is a class 5 cable 10/100 Base-T/TX max 100 m
(110 yd). The STP is suitable only in non-industrial (office) environments. Only use
STP in a protected environment to connect to Commercial Off-The-Shelf (COTS)
Ethernet components, (HUBS/Transceivers/and so forth), that convert to optical
fiber. ABB recommends the use of optical fiber in an industrial environment, for
example 62.5/125 100 Base-FX, max. distance 1500 m (1600 yd)
Table 7. TP830 CN1 and CN2 Connections (RJ45 connectors)
Pin Designation Direction Description
1 TD+ Out Transmit Data (plus)
2 TD- Out Transmit Data (minus)
3 RD+ In Receive Data (plus)
4–5 – – Not used
6 RD- In Receive Data (minus)
7–8 – – Not used
Housing Shield – Shield
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