30 Gateway and Gateway 4 Manual v1.2
© Tieline Research Pty. Ltd. 2021
11 Gateway 4 Rear Panel Connections
Supplementary Ground Terminal
Supplementary ground terminal for connecting the unit to a ground connection. See Warnings and
Safety Information for more details.
Dual Redundant AC Power Inputs
The codec is powered by dual 90-240 volt, 2A/50-60Hz redundant AC power supplies, which use
standard IEC connectors.
Shared Analog and AES3 Inputs and Outputs
Balanced ANALOG/AES3 IN RJ-45 connectors provide shared stereo analog line inputs 1-4, or
stereo AES3 digital inputs 1-4. Balanced ANALOG/AES3 OUT RJ-45 connectors provide shared
stereo analog line outputs 1-4, or stereo AES3 digital outputs 1-4.
Female DB-25 Shared Analog and AES3 Input/Output Connector
DB-25 connector provides shared stereo analog line inputs 1-4, or stereo AES3 digital inputs 1-4,
plus shared stereo analog line outputs 1-4, or stereo AES3 digital outputs 1-4. DB-25 pinouts are
available in Appendix C.
Module Slot
A module slot is available to support the optional Gateway Euro ISDN module, as well as future
hardware and technology upgrades.
Configurable BNC Sync I/O Connectors
Two BNC type SYNC I/O connectors for Word Clock synchronization with external sources.
Female DB-25 Control Port Connector
The DB-25 CONTROL PORT I/O connector supports 8 CMOS control inputs and 8 opto-isolated
solid-state relay outputs. DB-25 pinouts are available in Appendix A.
Dual Gigabit AoIP Ports
Two Gigabit (10/100/1000) RJ-45 AoIP ports for AES67 or optional WheatNet-IP streaming (4
bidirectional mono or 2 bidirectional stereo). Note: port 2 not operational in first firmware release.
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