Calrec ARGO, Installation & Technical Manual

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MODULE TYPES & LAYOUT
FIG 1 - ED5634 FRONT VIEW - FULLY POPULATED 5U IMPULSE CORE
External Interconnects
The external interconnects to the Impulse
Core are as follows.
•
Mains Power
– The Impulse Core has
two Mains PSU modules that plug into
and supply DC power to the backplane
and all the other core modules. One
AC Mains IEC inlet is present on the
face of each PSU module below. The
Mains input is converted within the
module to 12V and 5V DC power rails
that are distributed via the backplane.
A single PSU module is sufficient
to power a fully populated system.
The second power supply module is
provisioned for redundancy. The PSU
modules are plugged in at either end of
the Impulse core unit, as shown below in
slots 1 & 8.
•
AoIP Ethernet Connections
– Router
modules provide up to 8 SFP Ethernet
ports for connections to network
infrastructure for audio transport. Each
router module can be set to operate with
4 x ST-2022-7 pairs for 1Gbps interfaces
or 1 pair for 10Gbps interfaces. It is
intended that each pair of interfaces
connects to two separate networks such
that if any critical link in one network
fails or an Ethernet packet is dropped,
then packets will be received over the
redundant network link, which allows
uninterrupted or “hit-less” operation under
fault conditions.
Up to four Router modules can be
plugged into an Impulse Core allowing 4
pairs x 10Gbps redundant AoIP links or
16 pairs x 1Gbps redundant AoIP links or
a combination thereof in total. The router
modules are fitted between the Impulse
DSP module and the right hand PSU
module as shown below in slots 4-7.
•
PTP Ethernet Connections
– The
Control Processor module provides two
dedicated connections for PTP sync.
At least one of these needs to be
connected to the media network
regardless of whether the core is
acting as a PTP master or slave. In
AoIP systems, the primary means of
synchronisation is through Precision
Time Protocol (PTP) synchronisation to
a master clock source over the audio
Ethernet network. A pair of 1Gbps SFP
interfaces are provided on the module
for redundant connection to two AoIP
networks, either of which can be the
source for PTP synchronisation.
•
Legacy Sync Connections
– In
addition to the pair of Ethernet ports
for PTP synchronisation, the control
processor sync subsystem provides a
pair of BNC inputs for synchronisation
to legacy Video and Wordclock sources.
When an Impulse core is configured to act
as a PTP master, it can free run or it can
be made synchronous with one of these
legacy sync inputs.
•
Control Processor Ethernet
Connections
– The Control Processor
modules also provide two RJ45 and four
SFP interfaces. This provides Ethernet
connectivity to control and management
networks. These interfaces can assume
different configurations for connectivity
to different networks or for dedicated
purposes. They provide connectivity to
surfaces and also provide redundancy
links to other Impulse cores. They may
be configured to support third party
control and monitoring protocols and will
serve Assist, Connect and other Calrec
control Web UIs over COTS network
infrastructures. The Control Processor
module is plugged into the Impulse core
between the Impulse DSP module and
the left hand PSU module as shown
above in slot 2.
Slot 1 | Slot 2 | Slot 3 | Slot 4 | Slot 5 | Slot 6 | Slot 7 | Slot 8