SmartGate T
DVB-T SFN Adapter
SmartGate T is ENENSYS’ SFN adapter module for DVB-T that inserts MIP packet, performs bit rate adaptation and PCR restamping to enable Single Frequency Network broadcasting over DVB-T networks.
Highlights
SFN Management
The ENENSYS SFN Adapter provides synchronization (timestamp) information to all DVB-T transmitters to generate the same data at the very same time over the same frequency. It can also control individually each DVB-T transmitter to set remotely frequency offset or time offset information.
1+1 seamless redundancy - SFNguard
ENENSYS' patented technology, SFNguard, is the unique 1+1 redundancy mechanism that guarantees a seamless switch-over in SFN to avoid any TV black-out during change-over operation between 1+1 MIP inserter. Combined with ENENSYS seamless ASI switch, ASIIPGuard or the ENENSYS seamless IP switch, IPGuard, it offers a unique solution to maintain DVB-T transmission after MIP inserter change-over upon input failure or product maintenance.
T2 ready
The SmartGate T is running in a new generation platform to provide higher density, to operate with other ENENSYS module in the same chassis and to provide high reliability features with redundant power supplies. The product can migrate to a DVB-T2 Gateway (T2Gateway for HDc) without changing the hardware by only a firmware update.
Dense solution
Operating at the head-end after DVB multiplexer, the SmartGate T for HDc runs in the HDc chassis to embed up to 6x SmartGate T modules in 1U so that the same chassis can output up to 6 TS with MIP packets over ASI or IP.
MIP inserter with IP inputs/outputs
The SmartGate T receives at the input a MPEG-2 TS over ASI or IP, inserts MIP packet to synchronize all the DVB-T transmitters to broadcast the DVB-T. multiplex over Single Frequency Networks and performs bit rate adaptation and PCR restamping to match with DVB-T transmission parameters. It outputs the new MPEG-2 TS with MIP packet over ASI or IP. It can support redundant IP inputs and mirrored IP outputs.
Applications
- DVB-T SFN broadcasting
- MIP insertion according to ETSI EN 101 191
- PCR restamping and bitrate adaptation
- Redundant inputs and mirrored outputs over ASI or IP
- Seamless 1+1 redundancy (patented technology SFNguard)
Other Benefits
- Central body of the DVB-T network
- Spectrum bandwidth optimization
- Interoperability with transmitters
- Avoid TV black-out during switch-over operation
- Embedded in High Density chassis (HDc):
- to allow up to 6x SmartGate T in 1U
- to combine with ASIIPGuard, …
- Upgradable to DVB-T2 Gateway
- Straight integration into any NMS: full SNMP v2 compliant
- Easy to setup and to monitor with intuitive GUI
Technical specifications
Input
Control
1x Gigabit Ethernet (RJ45) for GUI/SNMP (TCP/IP)
MPEG2-TS
188 or 204 bytes
2x ASI (BNC 75 Ω) inputs
2x Gigabit Ethernet (RJ45) for RTP/UDP/IP or UDP/IP input streams
GPS
1x PPS (BNC 50 Ω) input connected to an external GPS receiver
1x TNC for internal GPS connected to a GPS antenna - Option
Output
MPEG2-TS
2x mirrored ASI (BNC 75 Ω) outputs
2x Gigabit Ethernet (RJ45) for RTP/UDP/IP or UDP/IP output streams
Featuring
SFN Adaptation
MegaFrame Initalization Packet insertion according to TS 101 191
All optional functions: up to 128 transmitters at the same time for DVB-T
DVB modes
Full compliant with the standard (bandwidth, FFT, constellation, code rate)
TS processing
Bit rate adaption to DVB parameters
PCR restamping
MIP packet insertion
NIT update
T2 ready
Future-proof platform that can migrate to DVB-T2 Gateway (option)
Redundancy
SFNguard, patented 1+1 seamless
Redundant ASI or IP (option) inputs
Mirrored ASI and IP (option) outputs
SIP Insertion
Enable SIP insertion with SmartGateT-DTMB option
IP management
ProMPEG CoP#3/SMPTE 2022-1
2x Gigabit ports from the chassis
Monitoring and Supervision
Easy-to-use web GUI
Full SNMP v2 support
Physical
HDc Chassis
Height
Width
Depth
Format
Front Panel
Power supply
Control IP Port
Data IP Ports
GPS input
PPS input
10MHz input
Power consumption
Operating temperature
Front
Back
Ordering codes
HDc-220VRedundant
High Density chassis with 2x 220V AC Power supplies
HDc-48VRedundant
High Density chassis with 2x 48V DC power supplies
HDm-SmartGate-T
MIP inserter module using 1 slot (hardware to be ordered with one HDc chassis) with:
- 2 x DVB-ASI inputs
- 2 x DVB-ASI outputs
