Data Sheet
LCPU
Linux IP Attachment
With the Linux Central Processor Unit (LCPU) it is possible to realize public address
announcements from remote locations as well as the networking of systems over the
Internet.
At a Glance:
• DVS-21 system networking over a LAN
• Public address over video workstation
• VoIP connection (according to H323 standard / SIP)
• Digital announcement machine (up to approx. 4000 min.)
• Audio and signal transmitting
• Secure data transmitting
• Standardized interfaces
- 10/100 MBit LAN - USB 1.1 Master - USB 1.1 Slave
• Function expansion through various attachments
Currently available: Optional:
- E1 (2MBit/s) - UART (RS232)
- S0 (Euro-ISDN) - Custom developments
Date:
16.03.2009
Page:
1/5
© 2008 ProCom, All rights and technical changes reserved
Author: HS Document-No.:
DB_LCPU_ 2220_00
Data Sheet
LCPU
Linux IP Attachment
The following block diagram illustrates the functionality of the LCPU:
Fig. LCPU (L- No. 2.220)
LCPU
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USB
Master
USB
Slave
LAN
Compact
Flash
(bis zu 2 GByte)
USB
Host II
Linux-
CPU
AudioModul
BusCPU
PCM
UART
S
t
e
u
e
r
u
n
g
P
C
+5V
GND
-5V
KS
BUS
Date:
16.03.2009
Aufsatz
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Tx
Rx
Page:
UART
2/5
© 2008 ProCom, All rights and technical changes reserved
M
STI (Digital Input)
PCM32
STO (Digital Output)
E1/
S0/
FRM
CLK
UART
RST
10MHz
8k
Block diagram LCPU
Author: HS Document-No.:
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a
t
z
4
DB_LCPU_ 2220_00