Removing A Module; Connecting Multiple Rs485 Devices - Siemens RUGGEDCOM RX1511 Installation Manual

Chapter 3
Communication Ports
Section 3.9.2

Removing a Module

Once a module is removed, all the features associated with the module are hidden or disabled in the operating
system.
To remove a module, do the following:
1. Make sure power to the device has been disconnected and wait approximately two minutes for any
remaining energy to dissipate.
2. If the device is installed in a rack, remove it from the rack.
3. Loosen the screws that secure the module.
4. Pull the module from the chassis to disconnect it.
Figure 51: Installing a Module
1. Module 2. Chassis
5. Install a new module or a blank module (to prevent the ingress of dust and dirt). For more information, refer
to Section 3.9.2, "Removing a
6. If necessary, install the device in the rack.
7. Connect power to the device.
Section 3.10

Connecting Multiple RS485 Devices

Each RS485 port can communicate with multiple RS485 devices by wiring devices together in sequence over a
single twisted pair with transmit and receive signals on the same two wires (half duplex). For reliable, continuous
communication, adhere to the following guidelines:
• To minimize the effects of ambient electrical noise, use shielded cabling.
• The correct polarity must be observed throughout a single sequence or ring.
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3. Screw
Module".
RUGGEDCOM RX1511
Installation Guide
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Removing a Module