EVS XT2+ Instrukcja Użytkownika Pobierz pdf (Strona 31)

XT2+ Series DISK RECORDER - Version 10.05 - Hardware Technical Reference Manual

Issue

10.05.A

EVS Broadcast Equipment SA – July 2011

Gigabit Ethernet Transfers with XT2+ Servers for Avid

DNXHD® and Apple ProRes 422

Preliminary note

The following

observations focus on steady rates; the transfer

performances with small clips will be lower as they generate a lot of

starts and ends of sessions.

BACKUP

Maximum transfer speeds through the Gigabit ports of the XT2+ server :

• 6 simultaneous real time transfers with Avid DNxHD® 85Mbps

• 6.2 x faster than real time on a single transfers with Avid DNxHD® 85Mbps

• 6 simultaneous real time transfers with Avid DNxHD® 100Mbps

• 5.3 x faster than real time on a single transfers with Avid DNxHD® 100Mbps

• 5.8 simultaneous real time transfers with Avid DNxHD® or Apple ProRes 422 at

120Mbps (PAL)

• 4.6 x faster than real time on a single transfers with Avid DNxHD® or Apple

ProRes 422 at 120Mbps (PAL)

• 4.8 simultaneous real time transfers with Avid DNxHD® or Apple ProRes 422 at

145Mbps (NTSC)

• 3.8 x faster than real time on a single transfers with Avid DNxHD® or Apple

ProRes 422 at 145Mbps (NTSC)

RESTORE

Maximum transfer speeds through the Gigabit ports of the XT2+ server :

• 6 simultaneous real time transfers with Avid DNxHD® 85Mbps

• 4x faster than real time on a single transfers with Avid DNxHD® 85Mbps

• 5.7 simultaneous real time transfers with Avid DNxHD® 100Mbps

• 3.4 x faster than real time on a single transfers with Avid DNxHD® 100Mbps

• 5 simultaneous real time transfers with Avid DNxHD® or Apple ProRes 422 at

120Mbps (PAL)

• 3 x faster than real time on a single transfers with Avid DNxHD® or Apple

ProRes 422 at 120Mbps (PAL)

• 4.1 simultaneous real time transfers with Avid DNxHD® or Apple ProRes 422 at

145Mbps (NTSC)

• 2.5 x faster than real time on a single transfers with Avid DNxHD® or Apple

ProRes 422 at 145Mbps (NTSC)

SIMULTANEOUS BACKUP AND RESTORE

The backup sessions reach higher bandwidth and pre-empt the bandwidth against

the restore sessions. On a ‘per session’ based, the system allocate between 3.75

and 6 times more bandwidth to backup session than to restore session.

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