Ttv G.703 Input (Tt1260/Hwo/G703; Atm Aal-1 E3 Atm Input (Tt1260/Hwo/Atm-E3 - TANDBERG TT1260 Reference Manual

Table B.21: COFDM Parameters
Parameter
Guard interval
Carrier mode
Hierarchy stream
Hierarchy mode
Carrier modulation
FEC rate
Spectrum
B.5.5

TTV G.703 Input (TT1260/HWO/G703)

Table B.22: TTV G.703 Input Specification
Input
Safety status
Connector type
Input impedance
Data rate
Network Type
Network Specification
Reed-Solomon
De-Interleaver
Status LED
Output Connector
B.5.6

ATM AAL-1 E3 ATM Input (TT1260/HWO/ATM-E3)

This provides reception of MPEG-2 transport stream packets, respectively RS coded MPEG-2
TS packets, over PDH links using ATM cells, this particular version uses E3 style PDH
framing.
This input is designed to be compliant with prETS 300813 DVB Interfaces to PDH Networks.
Table B.23 Interface Specifications
Parameter
Safety status
MPEG-2 TS Packet length
Error Correction
Interleaving
Framing
Input
Input connector
PDH Framing
PDH Bitrate
Reference Guide: TT1260 Contribution Receiver
ST.RE.E10100.3
Specification
1/32, 1/16, 1/8, 1/4
2 k, 8 k
High and low priority
None, α = 1, α = 2, α = 4
QPSK, 16QAM, 64QAM
1/2. 2/3, 3/4, 5/6, 7/8
Non-inverted and inverted
Specification
SELV
BNC, Female
75 Ω
DS3: 45 Mbit/s
E3: 34 Mbit/s
PDH
CCITT (ITU-T) G.703
On/Off, Not available in 188-packet mode
On/Off, Not available in 188-packet mode
Green: Lock, Red: No Lock
Not in use
Specification
SELV
188 or 204 bytes
Reed-Solomon codec: RS(128,124)
Octet interleaver, matrix 128 columns x 47 rows
According to prETS 300813 DVB Interfaces to PDH Networks
Electrical characteristics in accordance with ITU-T G.703
BNC female, 75 Ω
E3
34.368 Mbit/s
Technical Specification
Page B-17