Calrec Hydra2, User Manual

Page: 17 / 40

CALREC
Putting Sound in the Picture
17
SYNC IN MULTI-ROUTER SYSTEMS
In a multi-rack system each router /
processing rack requires its own sync
connection. The router in each rack
provides sync over the network in turn
to the I/O boxes connected to it.
It is vitally important that all router /
processing racks on the same network
are locked to a sync derived and locked
from the same source. If any routers are
clocked by free running sync, or if they
are derived from different sources, both
network audio and communications will be
compromised.
Racks running on different syncs can
cause instability leading to the loss of I/O
and unreliable error messaging.
If sync is being distributed via equipment
such as regenerators / buffers, it is
important to ensure that they are all set to
lock to the correct input from the master
sync generator.
Master House Sync Generator
Backup House Sync Generator
CONTROL
ROUTER / EXPANDER ENABLE DSP SYSTEM
RESETS
h y dr a
FAIL
GOOD
FANS AES 3 VIDEO 2 VIDEO 1
WORD
CLOCK
SYNC INPUTS
DSP 1 PROCESSOR 1 PROCESSOR 2 DSP 2 PSU 1 PSU 2
CONTROL
EXPANSION 1 ROUTER 1
h y dr a
EXPANSION 2 ROUTER 2
h y dr a
MOK ST0
ST1 ST2
ST3 ST4
ST5 ST6
AC IN
USB
ST1 ST2
ST3 ST4
ST5 ST6
AC IN
USB
MOK ST0
ROUTER / EXPANDER PSU PSU ROUTER / EXPANDER ROUTER / EXPANDER DSP CONTROL
PROCESSOR
CONTROL
PROCESSOR
DSP ROUTER / EXPANDER
POK MA
PRI RST
MOK NOK
ST1 ST2
POK MA
PRI RST
MOK NOK
ST1 ST2
POK MA
PRI RST
MOK NOK
ST1 ST2
POK MA
PRI RST
MOK NOK
ST1 ST2
POK MA
PRI RST
MOK NOK
ST1 ST2
POK MA
PRI RST
MOK NOK
ST1 ST2
POK MA
PRI RST
MOK NOK
ST1 ST2
SFP
MAC
4
MAC
3
1 2
USB
MAC
6
MAC
7
MAC
5
POK MA
PRI RST
MOK NOK
ST1 ST2
SFP
MAC
4
MAC
3
1 2
USB
MAC
6
MAC
7
MAC
5
D1 D2
D3 D4
D5 D6
D7 D8
D1 D2
D3 D4
D5 D6
D7 D8
9
11
13
15
10
12
14
16
1
3
5
7
2
4
6
8
10 9
12 11
14 13
16 15
2 1
4 3
6 5
8 7
ETHERNET
LINKS
LINKS
9
11
13
15
10
12
14
16
1
3
5
7
2
4
6
8
10 9
12 11
14 13
16 15
2 1
4 3
6 5
8 7
ETHERNET
LINKS
LINKS
9
11
13
15
10
12
14
16
1
3
5
7
2
4
6
8
10 9
12 11
14 13
16 15
2 1
4 3
6 5
8 7
ETHERNET
LINKS
LINKS
9
11
13
15
10
12
14
16
1
3
5
7
2
4
6
8
10 9
12 11
14 13
16 15
2 1
4 3
6 5
8 7
ETHERNET
LINKS
LINKS
Sync Buffer
CONTROL
ROUTER / EXPANDER ENABLE DSP SYSTEM
RESETS
h y dr a
FAIL
GOOD
FANS AES 3 VIDEO 2 VIDEO 1
WORD
CLOCK
SYNC INPUTS
DSP 1 PROCESSOR 1 PROCESSOR 2 DSP 2 PSU 1 PSU 2
CONTROL
EXPANSION 1 ROUTER 1
h y dr a
EXPANSION 2 ROUTER 2
h y dr a
MOK ST0
ST1 ST2
ST3 ST4
ST5 ST6
AC IN
USB
ST1 ST2
ST3 ST4
ST5 ST6
AC IN
USB
MOK ST0
ROUTER / EXPANDER PSU PSU ROUTER / EXPANDER ROUTER / EXPANDER DSP CONTROL
PROCESSOR
CONTROL
PROCESSOR
DSP ROUTER / EXPANDER
POK MA
PRI RST
MOK NOK
ST1 ST2
POK MA
PRI RST
MOK NOK
ST1 ST2
POK MA
PRI RST
MOK NOK
ST1 ST2
POK MA
PRI RST
MOK NOK
ST1 ST2
POK MA
PRI RST
MOK NOK
ST1 ST2
POK MA
PRI RST
MOK NOK
ST1 ST2
POK MA
PRI RST
MOK NOK
ST1 ST2
SFP
MAC
4
MAC
3
1 2
USB
MAC
6
MAC
7
MAC
5
POK MA
PRI RST
MOK NOK
ST1 ST2
SFP
MAC
4
MAC
3
1 2
USB
MAC
6
MAC
7
MAC
5
D1 D2
D3 D4
D5 D6
D7 D8
D1 D2
D3 D4
D5 D6
D7 D8
9
11
13
15
10
12
14
16
1
3
5
7
2
4
6
8
10 9
12 11
14 13
16 15
2 1
4 3
6 5
8 7
ETHERNET
LINKS
LINKS
9
11
13
15
10
12
14
16
1
3
5
7
2
4
6
8
10 9
12 11
14 13
16 15
2 1
4 3
6 5
8 7
ETHERNET
LINKS
LINKS
9
11
13
15
10
12
14
16
1
3
5
7
2
4
6
8
10 9
12 11
14 13
16 15
2 1
4 3
6 5
8 7
ETHERNET
LINKS
LINKS
9
11
13
15
10
12
14
16
1
3
5
7
2
4
6
8
10 9
12 11
14 13
16 15
2 1
4 3
6 5
8 7
ETHERNET
LINKS
LINKS
CONTROL ROUTER / EXPANDER ENABLE DSP SYSTEM
RESETS
h y dr a
FAIL
GOOD
FANS AES 3 VIDEO 2 VIDEO 1
WORD
CLOCK
SYNC INPUTS
DSP 1 PROCESSOR 1 PROCESSOR 2 DSP 2 PSU 1 PSU 2
CONTROL
EXPANSION 1 ROUTER 1
h y dr a
EXPANSION 2 ROUTER 2
h y dr a
MOK ST0
ST1 ST2
ST3 ST4
ST5 ST6
AC IN
USB
ST1 ST2
ST3 ST4
ST5 ST6
AC IN
USB
MOK ST0
ROUTER / EXPANDER PSU PSU ROUTER / EXPANDER ROUTER / EXPANDER DSP CONTROL
PROCESSOR
CONTROL
PROCESSOR
DSP ROUTER / EXPANDER
POK MA
PRI RST
MOK NOK
ST1 ST2
POK MA
PRI RST
MOK NOK
ST1 ST2
POK MA
PRI RST
MOK NOK
ST1 ST2
POK MA
PRI RST
MOK NOK
ST1 ST2
POK MA
PRI RST
MOK NOK
ST1 ST2
POK MA
PRI RST
MOK NOK
ST1 ST2
POK MA
PRI RST
MOK NOK
ST1 ST2
SFP
MAC
4
MAC
3
1 2
USB
MAC
6
MAC
7
MAC
5
POK MA
PRI RST
MOK NOK
ST1 ST2
SFP
MAC
4
MAC
3
1 2
USB
MAC
6
MAC
7
MAC
5
D1 D2
D3 D4
D5 D6
D7 D8
D1 D2
D3 D4
D5 D6
D7 D8
9
11
13
15
10
12
14
16
1
3
5
7
2
4
6
8
10 9
12 11
14 13
16 15
2 1
4 3
6 5
8 7
ETHERNET
LINKS
LINKS
9
11
13
15
10
12
14
16
1
3
5
7
2
4
6
8
10 9
12 11
14 13
16 15
2 1
4 3
6 5
8 7
ETHERNET
LINKS
LINKS
9
11
13
15
10
12
14
16
1
3
5
7
2
4
6
8
10 9
12 11
14 13
16 15
2 1
4 3
6 5
8 7
ETHERNET
LINKS
LINKS
9
11
13
15
10
12
14
16
1
3
5
7
2
4
6
8
10 9
12 11
14 13
16 15
2 1
4 3
6 5
8 7
ETHERNET
LINKS
LINKS
Equipment Room
Master Router Rack
Console Router Rack Console Router Rack
Control Room 1 Control Room 2
Primary Sync Path Secondary Sync Path
Sync Buffer