Drake EH24A/EH24A ASI - Manual (Page 4)

4
Specifications
SDE24/SDE24A * DUAL PROGRAM ENCODER MODULE
ANALOG INTERFACE
Composite video Inputs: 2 composite inputs, one for each program
Composite Video Input Level: 1 Volt p-p ± 3 dB
Audio Inputs, for 2 programs: RCA type for L and R audio channels, 2 sets
Audio Input Level: 1 Vrms user adjustable audio gain -15 dB to 0 dB
MPEG ENCODER
Encode Format - #1 input: MPEG2 or MPEG4 H.264, selectable
Encode Format - #2: MPEG2 or MPEG4 H.264, selectable
Input Encoding Bitrate: Constant Bitrate: 1 Mbps to 8 Mbps
Video Adjustments: Brightness, Contrast, Saturation, Hue
AUDIO ENCODER
Selectable Types: AC-3 Dolby digital Stereo OR MPEG1, Layer 2 (MP2)
Dolby Digital Encoder: Manufactured under license from Dolby Laboratories.
Output bitrate: User-selectable from Ethernet Control Interface; 128, 192, 320, 384 Kbps
Output: The output of each SDE24/SDE24A module is connected internally to the multiplexers that are included
in the EH24A chassis.
SDE24EAS MODULE
Description: MPEG2 or MPEG4 Encodes NTSC EAS alert program. Used to add EAS to an EH24A system. Can be used
for SCTE18 operation, for program replacement in all chassis-installed encoders.
Usage: Only one SDE24EAS is required per headend. Must be inserted into slot number 6 of the master EH24A
chassis.
ASII MODULE
Description: ASI input module for inputting an EAS program that is looped out of the master EH24A(ASI Out)
(containing the SDE24EAS) and also for inputting low speed data for DTA channel mapping and
codeupdating.
Usage: Used in an EH24A to add DTA data or used in an EH24A, for EAS alert programming that is being sourced by
a ‘master’ EH24A/SDE24EAS.
***IMPORTANT NOTICE***
When installing the SDE24A in an EH24A host chassis (stock # 1002510A), the EH24A must have firmware version 3.0 or
higher. Should you require any technical assistance, please contact DRAKE Service at (937) 746-6990.
Specifications subject to change without notice or obligation.