Appendix B: Specifications

Arcadia Central Station

Specification	Value
Front panel headset	(1) 4-pin XLR-M or 5-pin XLR-M auto headset detect
Front panel headset microphone input	Input type: Dynamic /Electret - Selectable Frequency response: headset mic - Partyline: 200Hz – 12 kHz + 3dBu Frequency response: headset mic - Line Out: 200Hz – 20 kHz + 3dBu Mic limiter threshold: -50dBu ±3dB Mic limiter range: ≥ 20dB Max input level:  -25dBu Input level: -60dBu nominal; -25dBu MAX Headset mic voltage 5V (Electret selectable)
Front panel headset microphone output	Load Impedance: > 32Ω Output Impedance: 33Ω Max Output Level before Distortion:  >13 dBu Total Harmonic Distortion (THD): < 0.1% THD at 1 kHz Headset Mic - Partyline: -78 dBu (Clear-Com mode) Headset Mic - Line Out: -60 dBu Frequency Response: Partyline - Headset Out: 200Hz – 10 kHz + 3dBu
Gooseneck microphone input	Input type: Dynamic, Electret (selectable) Frequency Response: Gooseneck Mic - Partyline: 200Hz – 12kHz + 3dBu Frequency Response: Gooseneck Mic - Line Out: 200Hz – 20kHz + 3dBu Mic Limiter Threshold: -35dBu ±3dB Mic Limiter Range: ≥ 20dB Max Input Level: -10dBu Input Level: -45dBu nominal; -10dBu MAX Headset Mic Voltage: 5V (Electret selectable)
Speaker Output	Speaker Type: 1.6 x 2.8in oval Load Impedance: 4Ω Max Output Level before 1% Distortion: 18dBu ± 2dB Total Harmonic Distortion (THD): < 0.5% THD at 1kHz Max Speaker Level: 87dB ± 2dB SPL A Weighted at 3ft Frequency Response: 100Hz – 10kHz ± 9dB
USB connector	USB type A
Front panel buttons	MIC: Microphone ON/OFF button Menu button HDST: Headset ON/OFF button Fn: Function button (not active)
Front panel rotary encoders	(5) Digital rotary encoders Operating level: 0dBu to + 18dBu, nominal, or -18dBu to +8dBu
Front panel touch screens	(2) 480 x 128 color TFT LED Touch Screen displays
Status LEDs	(2) Power supply status LEDs, (1) Arcadia Station status LED, (1) Volume level three color control LED array
The Arcadia Station has two power supplies which can be used together to provide power redundancy.
Power	AC Mains input: 100-240V AC, 50-60Hz, 160W Max, IEC60320 C14 inlet. DC Low Voltage Input: 12V DC +/- 5%, 12A
GPIO port	(2) DB9F Relay contact type: SPDT Relay quantity: 4 Relay contact voltage rating: 30 VDC Relay contact current rating:  1 A Input type: Opto-Isolated Input quantity: 2 Input voltage range:  4 - 30 volts DC or AC Input current: >=1.2mA required
2-wire I/O	(4) XLR-3F 2-wire I/O: Selectable RTS or Clear-Com mode, software controlled null, null depth >60dB at 1kHz 2-wire Power On/Off: A/B, C/D paired- software controlled 2-wire Output Voltage: 25 – 28 VDC, 560 mA per pair (A/B or C/D) 2-wire Impedance: >10kΩ 2-wire Operating Levels:  -18dBu nominal (Clear-Com Mode), -12dBu nominal (RTS Mode), Headroom 18dB 2-wire Frequency Response:  200 to 12kHz. ±3dB 2-wire Total Harmonic Distortion (THD):  < 0.1% THD at 1 kHz
4-wire I/O	(8) RJ45 4-wire I/O:  Output Impedance >10kΩ, Input Impedance 200Ω + 10%, transformer isolated balanced input and output. 4-wire Operating Levels: 0dBu Nominal, 18dBu headroom Port 8 used for stage announce and program feed
Stage announce and program feed	(1) Cable assembly CAB-RJ45-PGM-SA provided. Connects to RJ45 (port 8 on the Station) XLR-3F labeled PGM input XLR-3M labeled SA output Program Input level control via rotary encoder.
DECT Sync IN/OUT	(2) RJ45 sync input and output
E1 Splitter/transceiver ports	(2) RJ45 (2) Fiber, to be used with SFP module Note: only 2 splitter ports active at any one time and these must both be EITHER RJ45 OR Fiber.
LAN connectors	(2) RJ45 (2) Fiber, to be used with SFP module All 4 LAN ports are fully user configurable, to be split between management, AES67 and Dante traffic.
Dimensions	1 RU: h.44 x w.483 x d. 355 mm (1.75 x 19 x 14 inches)
Weight	Approx 3.3 kg (7.25 lb)
Frequency response - station to beltpack
Arcadia Station to beltpack frequency response	FreeSpeak II beltpacks: 200 Hz - 7.5 kHz FreeSpeak Edge beltpacks: 200 Hz - 12 kHz

Capacity

Specification	Value
Number of transceivers supported by Arcadia Station	26 in total 16 IP transceivers (FreeSpeak II or FreeSpeak Edge) E1 transceivers, 2 connected directly to the Arcadia Station, 10 via a splitter
Number of FreeSpeak beltpacks per Arcadia Station	Up to 40 beltpacks in total, made up of either FreeSpeak II or FreeSpeak Edge beltpacks
Number of HelixNet user stations per Arcadia Station	Up to 64 made up of beltpacks, remote stations, speaker stations
Audio Channels	Max 100
Channels enabled for use with HellixNet	Max 24
Groups	Max 100
GPIOs	2 x GPI, 4 x GPO

Network Specifications

Specification

Value

AoIP Interface Protocols

RTSP/SAP
AES67
Dante

Audio Sampling

24-bit Linear 48KHz

IP Addressing

Static
DHCP

Network Compatibility

Layer 2 and Layer 3 only

Quality of Service

DiffServ RFC2474

IGMP

On (AoIP)

Multicast

On (AoIP)

Network Timing

PTPv2 (AoIP)/PTPv1 (Dante)

Perduplex Connection

1 x FS II IPT bandwidth usage: ~7 Mbps
1 x FS Edge IPT: ~9.6 Mbps

Network Protocols

Ethernet IPv4 Unicast Audio and Control
mDNS-Multicast Device Discovery

Network Ports

Unicast:
Port 80 TCP - Web Interface, System Management, Expansion
Port 443 for HTTPS
Port 6001 UDP - AES67 Data
Port 15000 - 15256 UDP - AES67 Audio

Multicast:

Port 5353 UDP - mDNS, Names, Discovery, Linking, Expansion, Dante (through various ports)

Network Jitter Tolerance

< 1μs required for RF Syncing of Transceivers

Recommended Ethernet Switches

Managed Ethernet Switch - Layer 3
1000 Base - T ports for endpoints
1000 Base IP Trunks between switches
QoS Configuration
Energy Efficient Ethernet bypass option
IGMP Snooping bypass option

QoS Tags for AoIP

Clock

IEEE 1588-2008

Announce, Synch, Follow_Up,
Delay_Req, Delay_Resp,
Pdelay_Req, Pdelay_Resp
and Pdelay_Resp_Follow_Up packets

EF (46)
(Expedited Forwarding)

Media

RTP
and RTCP media stream data

AF41 (34) (Assured Forwarding)

Best Effort

IEEE 1588-2008 signaling and
management messages.
Discovery and connection
management messages.

DF (O)
(Default Forwarding)

QoS Tags for Dante

High

Time Critical PTP Events

CS7 (56)

Medium

Audio, PTP

EF (46)
(Expedited Forwarding)

Low

Reserved

CS1 (8)

None

Other Traffic

Best Effort (0)