ViA User Manual v2.0

Connection

Details

1

Analog XLR, AES3 and AES42 Inputs

XLR inputs 1-3 are all balanced mic/line inputs. Input 1 can also be used as an AES3 (AES/EBU) digital input, which accepts both mono and stereo digital AES3 signals. Alternatively, input 1 also supports AES42 Mode 1 and Mode 2 mics. AES input modes can be selected via codec menus.

VOLTAGE WARNING: DO NOT attach non-digital microphones or an AES3 source to input 1 when AES42 mode is selected, or equipment may be damaged by high voltages.

2

Headphone Outputs

The codec has three 6.35mm (1/4") RTS stereo headphone outputs labeled as HP 1 - 3. These are designed to be used with 600 ohm headphones.

Connection

Details

1

USB Port 1

USB host port 1 for attachment of a supported cellular modem for data connections. Also supports attachment of a USB keyboard.

2

RS232

Nine pin female RS232 serial data connection for local and remote control of equipment at either end of the link.

3

S/PDIF In/Out (Auxiliary input)

S/PDIF IN/OUT auxiliary input and output via RCA connectors.

4

LAN1 and LAN2 Ports

The codec features two Gigabit (10/100/1000) RJ-45 Ethernet ports for IP connections. By default, the codec assumes LAN1 is the primary LAN connection and LAN2 is the backup (secondary) LAN connection when in use.

5

Control Port I/O

Four relay inputs and four opto-isolated outputs for machine control via the DB15 CONTROL PORT I/O connector.

Connection

Details

1

Stereo Line In

STEREO LINE IN is an auxiliary line input option via a 3.5mm (1/8") TRS connector.

2

Outputs 1 and 2

OUTPUT 1 and 2 are balanced analog XLR line outputs.

3

USB Audio I/O

USB AUDIO I/O is an auxiliary input/output option via a micro USB Type-B connector.

4

USB Port 2

USB host port 2 for attachment of a supported cellular modem for data connections. Also supports attachment of a USB keyboard.

Important Note: Only one auxiliary input option can be selected at a time.

Connection

Details

1

Battery slot

Battery slot for RRC2057 rechargeable Li-ion battery pack.

2

SD Card slot

SD card slot for firmware upgrades, codec backup and restore functions, and installation of SSL certificates.

3

Module slot

Module slot for inserting an optional ViA POTS or ViA ISDN module.

4

XLR Power Socket

4-pin male XLR on the rear panel to attach an external 12VDC 3A power supply.