TANDBERG E5500, Инструкция по эксплуатации

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Introduction
Page 1-18 Instruction Manual: evolution 5000 E5500 Mobile Contribution Encoder
ST.TM.E10033.3
1.5 Standard Modules
1.5.1 Functions
The MCE is shipped with the Video, Data and QPSK Modulator modules
fitted in slots 1, 2 and 3 respectively. The functionality of the basic MCE
can normally be enhanced with the inclusion of additional modules in slot
4. These consist of a horizontally mounted PCB with rear panel connector
space. At reset, the software of the Motherboard
2
detects which modules
are fitted and configures them as necessary. The modules are fitted into
the positions indicated in Table 1.7.
1.5.2 Analogue Video Input
(M2/EOM1/VID)
The Video Input Module (S8481) provides the MCE with high quality
analogue video inputs via three BNC connectors. The input format is either
composite video (PAL B/D/G/H/I/M and NTSC-M) or component Y, C
R
, C
B
.
The Setup/Video/Source menu associated with this option is described in
Section 3.9.3 in Chapter 3. For a specification of this interface see Annex
B, Technical Specification.
1.5.3 Frequency Agile QPSK Modulator
(M2/EOM1/QPSK2)
The Frequency Agile QPSK Modulator (S10949) is an internal satellite
modulator module. It plugs into the MCE backplane and accepts an MPEG-
2 transport stream directly from the Encoder’s internal program Multiplexer
or via the RAS scrambling module over a synchronous parallel interface.
The Modulator performs energy-dispersal scrambling, Reed-Solomon
encoding, convolutional interleaving, convolutional encoding, symbol
mapping, baseband shaping and modulation, in accordance with the
EN 300 421 specification.
The Modulator module provides QPSK modulation in the frequency range
70 MHz ± 20 MHz, and outputs data at a symbol-rate defined by the
source equipment (Encoder). The spectrum of the QPSK signal can be set
to Normal and Inverted states. The convolutional FEC rate can be selected
from values 1/2, 2/3, 3/4, 5/6, and 7/8. Output power can be programmed
in the range -20 dBm to +5 dBm.
Menus associated with this module are given in Section 3.9.6 in Chapter 3.
1.5.4 RS-232 and RS-422 Data Input (M2/EOM1/DAT)
The RS-232 and RS-422 Data Input Option Module (S8477) offers
supplementary data inputs in systems in which an Ethernet style data
input is insufficient. It comes with an RS-422 synchronous data input and
an RS-232 asynchronous data input. These inputs have been designed for
backward compatibility to existing System 3000 Encoders. RS-232 data is
input on a dedicated 9-way D-type connector and RS-422 data is input on
a dedicated 15-way D-type connector.