7780M4-ASI / 7780D4-ASI
Quad ASI TDM-Mux/Demux
Revision 1.0
Page
1
1. OVERVIEW
1.1. 7780M4-ASI
OVERVIEW
The 7780M4-ASI is a single card, single slot time division multiplexer for transporting up to four DVB-
ASI transport streams in a single 270Mb/s signal compatible with SMPTE 259M-C transport.
7780M4-ASI Features:
•
Adjacent outputs of 7780D4-ASI unaffected by the loss of any DVB-ASI input feed at the
7780M4-ASI TDM Mux
•
Single card TDM multiplexer for four DVB-ASI transport streams
•
Inputs may be MPTS or SPTS with a combined bandwidth of up to 210Mb/s
•
Signal transport uninterrupted by loss of any/all DVB-ASI input feeds
•
Comprehensive signal and card status monitoring via four digit card edge display or remotely
through SNMP and VistaLINK
®
•
VistaLINK
®
capability is available when modules are used with the 3RU 7700FR-C frame and a
7700FC VistaLINK
®
Frame Controller module in slot 1 of the frame
•
Fully hot-swappable from front of frame
•
Output is a single 270Mb/s signal compatible with SMPTE 259M-C transport
•
Monitor port output is user-selectable from the four inputs
TDM
MUX
CONTROL/
INDICATION
VistaLINK
®
Interface
LOCAL
CONTROL
LOCAL
INDICATION
DVB-ASI
INPUT 1
INPUT
STAGE
INPUT
STAGE
INPUT
STAGE
INPUT
STAGE
DVB-ASI
INPUT 2
DVB-ASI
INPUT 3
DVB-ASI
INPUT 4
270 Mb/s
SERIAL
OUTPUT
DVB-ASI
MONITOR
OUTPUT
OUTPUT
STAGE
OUTPUT
STAGE
Figure 1-1: 7780M4-ASI Block Diagram
