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8305 Multi-Interface IP Paging Adapter

IP paging adapter and scheduler for legacy communications systems

The 8305 Multi-Interface IP Paging Adapter is a versatile device designed to integrate with legacy paging and communication systems. Below is a detailed explanation of its connectivity options and technical capabilities:

Key Features and Interfaces

  • Telephone Port (Talk Battery Pair Interface):
  • The Algo 8305 connects to paging systems that provide a “talk battery pair.” This pair on the paging system is typically connected to an FXO port (loop start line) on a key system or PBX.
  • The Algo 8305 emulates the behavior of a telephone line or telephone set going off-hook, allowing it to interact with the paging system.
  • 8-Ohm Output for Self-Amplified Speakers:
  • The 8305 includes an 8-ohm output, which can directly drive self-amplified speakers.
  • Balanced Line Out:
  • The Algo 8305 provides a balanced line out connection, similar to the 8301, enabling integration with paging systems. The line out connection emulates a Page Port from a PBX or Key system.

Description

Integrate legacy with modern paging systems

The 8305 has three key connection points: a telephone port that emulates an analog telephone, an 8 Ω output that can connect to self-amplified speakers, and a line output. As a SIP-compliant device, the 8305 makes it possible to connect existing legacy paging systems to VoIP or UCaaS platforms. The 8305 is also multicast capable enabling legacy systems to be used alongside IP devices.

Important Connection Notes

  • Does Not Connect to FXS Ports:
  • The Algo 8305 is not designed to connect to an FXS port on a phone system. Attempting to do so will not work and may cause compatibility issues.
  • The Algo 8305 is not an ATA.
  • The Algo 8305 does not support two-way communication. It provides one-way audio path to the legacy paging system.

Technical Operation

  • Power and Signaling:
  • The Algo 8305 receives 48V power from the paging system via the Talk Battery port.
  • It emulates an off-hook condition, signaling the paging system that a call has been initiated.
  • DTMF and Voice Transmission:
  • Once connected, the 8305 can pass DTMF tones and supports one-way voice communication for announcements or alerts.

Schedule and automate

Using the web interface, you can schedule announcements to play automatically. Set up is easy no matter if you want to schedule single or multiple events such as bells, safety reminders, or holiday announcements. Additionally, emergency alerts can be activated by dialing a set extension or via a device, like a button, connected to the relay input to provide contact closure.

Scale with ease

The 8305 is a PoE device that uses SIP, multicast, APIs, and smart relays to connect diverse paging systems, services, and devices. This gives you further control of how your communication system operates and simplifies the process of growing your paging system alongside facility upgrades.

InformaCast Compliant

The Algo 8305 Multi-Interface IP Paging Adapter is also sold as the Algo 8305-IC InformaCast Multi-Interface IP Paging Adapter, a fully InformaCast Compliant version of the device. All Algo InformaCast IP endpoints are fully compliant to register seamlessly with Singlewire InformaCast for emergency notification and public address. The Algo 8305-IC together with other InformaCast endpoints are scalable to meet the needs of any size project.

All features and specifications of the Algo 8305 Multi-Interface IP Paging Adapter remain in the Algo 8305-IC InformaCast Multi-Interface IP Paging Adapter.

Specifications

Input/Output

TELEPHONE PORT
Emulates an analog phone. Capable of ring detection and on-hook/off-hook.
8 Ω OUTPUT
Balanced and isolated wire pair output to external self-amplified speakers. Load impedance of 2 kΩ down to 8 Ω*. Max output of +3 dBm @ 8 Ω, +1.5 dB higher at 2 kΩ.
*Intended use is nominal 2 kΩ or 1 kΩ self-amplified speakers connected in parallel to a total minimum resistance of 8 Ω.
TERMINAL BLOCK LINE OUT
Balanced and isolated wire pair output to external amplifier. Output level defined using web interface. Polarity independent.
RELAY INPUT
Normally open or normally closed dry contact with supervision. Compatible with Algo 1202 Call Button, 1203 Call Switch, 1204 Volume Control or EOL resistor termination.
RELAY OUTPUT
Max 30 V 50 mA (normally open)
AUX OUT
3.5 mm jack for analog line level input for compatible PC speakers or headset. Non-isolated.

Power

POWER SOURCE
PoE (IEEE 802.3af Class 0) 48 V, 15.4 W
MAX POWER (AT DEVICE)
4 W
IDLE POWER
2 W

SIP

SIP EXTENSIONS
50 Page
10 Emergency Alert
10 Ring
SIP SIGNALLING/TRANSPORT PROTOCOLS
UDP, TCP, RTP
SECURITY
TLS, SRTP, Mutual Authentication
AUDIO CODECS
G.711 u-law, G.711 A-law, G.722 Wideband

Multicast

RTP MULTICAST
Send and Receive 50 Zones
AUDIO CODECS
G.711 u-law, G.711 A-law, G.722 Wideband, Opus Fullband

Compatibility

RESTful API
Poly Group Page™
Singlewire InformaCast® (additional license required)
Intrado Revolution
Microsoft Teams®

Configuration & Provisioning

CONFIGURATION
Web interface or provisioning server
WEB INTERFACE
HTTP, HTTPS
PROVISIONING
TFTP, FTP, HTTP, HTTPS
DHCP Options 66, 150, 160
Reboot via SIP ‘check-sync'
ZTP
Supported
SUPERVISION
Compatible with Algo Device Management Platform (ADMP), Algo 8300 IP Controller, any third party SNMP monitoring software, and RTCP

Networking

NETWORKING
IPV4, IPv6J DHCP, VLAN MDNS
LINK LAYER
LLDP, CDP
SECURITY
IEEE 802.1X
QOS
DSCP
NAT
STUN, TURN, CRLF Keep Alive, SIP Outbound
ADDRESS RESOLUTION
DNS, SRV Record
REDUNDANCY
Secondary and tertiary SIP server
TIME
NTP Server (up to four)

Audio

AUDIO MEMORY & FORMAT
1 GB audio storage for WAV or MP3 files
AUDIO CONTROLS
Volume, AGC, Latency, LF Cut
ANTI-FEEDBACK DELAY
Cache to memory and release
AUDIO DELAY
Programmable 1-1000 ms synchronization delay
Relay Input Current Draw Detection Threshold Active Idle Tamper
NORMALLY OPEN > 4 mA < 4 mA N/A
NORMALLY OPEN WITH SUPERVISION > 20 mA 4 - 20 mA < 4 mA
NORMALLY CLOSED < 4 mA > 4 mA N/A
NORMALLY CLOSED WITH SUPERVISION 4 - 20 mA > 20 mA < 4 mA

NOMINAL 12 V SOURCE, CURRENT LIMITED TO 40 MA

Typical supervision resistor value = 1 kOhm

Environmental & Mechanical

ENVIRONMENTAL
0 to + 40 °C (32 to 104 °F); 10-95% RHnon-condensing. Dry indoor locations only.
DIMENSIONS (PRODUCT)
6.75” x 4.3” x 1.18” (17.2 cm x 10.9 cm x 3.0 cm)
WEIGHT (PRODUCT)
0.9 lbs (0.4 kg)
WEIGHT (SHIPPING)
1.6 lbs (0.7 kg)
MOUNTING
Snap mounting bracket included

Compliance

RoHS, CE, FCC Class A, CISPR 22 Class A, CISPR 24, CSA/UL (USA & Canada), EN60950

Applications

SIP Paging

The 8305 can function as an IP telephone in a simple configuration when a connected SIP or page extension is called. This enables the 8305 to recognize the configured extension and auto-answer when called.

Multicast

The 8305 can act as a multicast transmitter or receiver to scale communications in a simple and effective way. IP endpoints connected to the 8305 can be grouped into up to 50 multicast zones.

Notifications

Play audio files for emergency, safety, security announcements, customer service, or shift changes. Audio files can be stored on the adaptor and played over a speaker in response to an event such as a ring, relay input, or automated schedule.

Scheduling

Sync to Network Time Protocol (NTP) and schedule school bells or automated announcements. Calendar events can be scheduled to play in specific zones, allowing the delivery of announcements to part or all of a facility.

Integration

The 8305 can connect to multiple systems via the input and output ports, API, or partnering solutions including InformaCast.

Device Management

The 8305 can be monitored and manage via ADMP, the Algo 8300 Controller, SNMP, or RTCP.

1202 Call Button

INFO

2507 Ring Detector

INFO

1203 Call Switch

INFO

1204 Volume Control

INFO
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