MRC DRS4000, Руководство пользователя и техническое руководство

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Installation 4-10 DRS4000 Receiver User and Technical Manual
MPEG module that is SD (SDI) compliant with SMPTE 259M and
HD (SDI) compliant with SMPTE292M and SMPTE299M.
ASI OUT The two Asynchronous Serial Interface (ASI)
connectors are 75 ohm, female, BNC connectors that provide
ASI outputs for digital video and audio distribution.
ASI IN This 75 ohm, female, BNC connector accepts an ASI
signal input from another component. It is used for local
decoding of a SD/HD ASI stream when the receiver is placed in
external ASI mode.
70 MHz IN This connector is a 75 ohm, female, BNC connector
that accepts input from another receiver. This is an alternative
input to
BDC 1 and is selectable from the control screen menu.
GEN LOCK This 75 ohm, female, BNC connector enables the
decoder output to lock to an external frame lock input. This can
either be SD Black & Burst or HD Tri-level input into the rear
panel BNC connector. The control signal is carried on the center
pin.
4.12 Monitor and Control Connectors
CNTL/MON 1 to CTRL/MON 4 The 7-pin circular Lemo
connectors provide control inputs and monitor outputs for the
adjacent downconverter (
BDC 1 to BDC 4 ). Pinout information is
shown in Table 4-3 .
4.13 Data Connections
For the following connectors, the USB and Ethernet connectors
are on the front panel.
The USB 2.0 connector allows you to install firmware updates
from MRC via a flash drive. Pinout information for this connector
is shown in
Table 4-4 on page 4-11 .
Table 4-3: Pinouts for Control/Monitor Connector
Connector Information Pinout
Signal
Description
1 Power On Detect
2 Lock Detect A
3 Lock Detect B
4 H/L Band Select
5 Band Select 1
6 Band Select 2
7 Ground