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Ethernet connector, Fiber optic connectors, Serial port connectors – B&B Electronics VESR321_ML_SL - Manual User Manual

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Hardware

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Figure 3. Front View of the Serial Server

The Mode switch can be used to:

1. Initiate a Hardware Reset

2. Enter Console Mode

3. Reload factory defaults

Note: Refer to Section 3, Serial Server Setup and Connections for more information on using the
Mode switch.

Ethernet Connector

Serial server models using 10BaseT/100BaseTX network connections use an RJ45 receptacle.
The serial server is connected to a standard Ethernet network drop using a straight-through or
crossover RJ45 (male) Ethernet cable. VESR321 family serial servers feature a second RJ45
receptacle which acts an Ethernet pass-through connection. This connection functions similarly to
an Ethernet switch and allows the connection of other devices to the network.

Figure 4. Ethernet Connector

Note: Refer to Appendix D for connection pin-outs.

Fiber Optic Connectors

VESR321 serial servers use LC fiber connectors.

Serial Port Connectors

VESR321 family serial servers feature one DB9M connector for RS-232 and a five-position removable
terminal block for RS-422 and RS-485 connections.