ABB MicrOS 410 Installation Manual page 21

Table 5
Wired Client Scenario
One RS-232 serial client
Two RS-232 serial clients
One RS-232 serial client
One RS-485 serial client
When the configuration is determined, use the following sections as guidelines for proper
cabling.
Note
The MicrOS 410 is shipped pre-configured. For post-installation changes in configuration, you can
communicate with the unit by way of its wireless connection. For more information, see the Tropos
Networks Configuration Guide.
Note
Only use shielded Cat5 cable rated for outdoor use. For protection against risk of fire, electrical hazard and
to ensure the reliable operation of this equipment, the shields of the Cat5 cable must be properly
terminated and bonded to the unit and to the protective earth (PE) at the building entrance.
Note
National Electrical Codes (NEC) Article 800 requires the use of Agency Listed (UL/CSA) Building Entrance
Protector for all power and communications cables entering a building. The NEC intends by Article 800 to
protect the building and occupants from fires caused by transient voltage and current surges.
Warning
DC voltage may be present on RJ45 pins 4,5 (+) and 7,8 (-).
Attention
Une tension continue peut être présente sur les broches RJ45 4, 5 (+) et 7, 8 (-).
Note
This is not a mid-span powered device. Never attempt to daisy-chain Power Over Ethernet devices.
MicrOS 410 Installation Guide
Wired Client Scenarios (continued)
Recommended wiring
• Connect the wired client to Port 2 (serial) on the MicrOS 410
• Provide power to the MicrOS 410 on Port 1
• Connect the RS-232 serial clients to Port 2 (serial) on the MicrOS
410
• Provide power to the MicrOS 410 on Port 1
• Connect the RS-232 and RS-485 clients to Port 2 (serial) on the
MicrOS 410
• Provide power to the MicrOS 410 on Port 1
Chapter 2
22