Contents
i
Contents
1
Introduction
1
2
Getting Started
1
2.1
Quick Start
2
3
Overview
3
4
Your VS-121HCA Stereo Audio S/PDIF Switcher
3
5
Installing the VS-121HCA in a Rack
6
6
Connecting the VS-121HCA
7
7
Operating the VS-121HCA
8
7.1
Operating Using the Front Panel Buttons
9
7.2
Operating via the RS-232 Port
9
7.2.1
Connecting the RS-232 Port
9
7.3
Operating via the RS-485 Port
10
7.3.1
Setting the Address Switches
11
7.3.2
Setting the Line Termination
11
7.4
Operating via the ETHERNET Port
12
7.4.1
Connecting the ETHERNET Port directly to a PC (Crossover Cable)
12
7.4.2
Connecting the ETHERNET Port via a Network Hub (Straight-Through Cable) 13
7.4.3
Configuring the Ethernet Port
13
7.5
Operating via the Infrared Remote Controller
13
7.5.1
Adjusting the Input Volume
14
7.6
Setting the DIP-switches
14
7.7
Operating the VS-121HCA in Tandem with the VS-121HC
16
8
Technical Specifications
17
9
Upgrading the VS-121HCA Firmware
18
9.1
Upgrading the Device Firmware
18
9.1.1
Downloading from the Internet
18
9.1.2
Connecting a PC to the RS-232 Port
18
9.1.3
Installing the Device Firmware
19
9.2
Upgrading the Ethernet Firmware
23
9.2.1
Downloading from the Internet
24
9.2.2
Connecting the PC to the RS-232 Port
24
9.2.3
Installing the Ethernet Firmware
25
10
Hex Tables
26
11
Kramer Protocol 2000
27
