B-ISDN User-Network Interface - Physical Layer Specification for 25600kbit/s 1.1 2002 3 1 THE TELECOMMUNICATION TECHNOLOGY COMMITTEE
... 3... 4 1.1... 4 1.2... 4 kbit/s... 4 2.1... 4 2.1.1... 4 2.1.2... 5 2.1.3 BER... 5 2.1.4... 5 2.1.5... 6 2.2... 7 2.2.1... 7 2.2.2... 7 2.2.3... 8 2.2.4... 8 2.3... 14 2.3.1... 14 2.3.2... 14 2.4... 14 2.4.1... 14 2.4.2... 17 2.4.3... 18... 20 3.1... 21 3.1.1...23 3.2... 23 3.2.1... 24 3.2.2... 25 3.2.3... 25 3.3... 26 3.4... 26... 28 2
1.1 (1) 2.1.3 (2) 3
1.1 kbit/s m kbit/s Mbaud 1.2 kbit/s 2.1 2.1.1 Mbaud kbit/s ppm 4
2.1.2 2.1.3 BER 2.2 2.1.4 kbit/s 4B5B 4B5B / / NRZI NRZI TC PMD PLL 5
2.1.5 2.2.2 T R T R R T 6
2.2 2.2.1 2.2.1.1 2.2.1.2 2.2.2 khz 7
baud 2.2.3 P-P P-P P-P 2.2.4 8
(%) (%) A -0.3 0 0.3 0 B 6.3 1.20 10.5 0.90 C 14 1.20 23.0 0.50 D 23 1.05 36.0 0.75 E 34 1.20 53.0 0.60 F 56 0.95 87.0 0.60 G 95 0.92 99.7 0 H 100.3 0 - - 1.2 B C E 1 B D F G 0.8 0.6 D E F 0.4 C 0.2 A 0 A G H 0 20 40 60 80 100 % 9
(%) (%) A -0.4 0 0.4 0 B 7.9 1.20 13.1 0.90 C 17 1.20 28.0 0.50 D 29 1.05 45.0 0.75 E 43 1.20 66.0 0.60 F 70 0.95 84.0 0.60 G 93.5 0.92 99.6 0 H 100.4 0 - - 1.2 B C E 1 B D F G 0.8 D 0.6 E F 0.4 C 0.2 A 0 A G H 0 20 40 60 80 100 % 10
(%) (%) A -0.5 0 0.5 0 B 10.5 1.20 17.5 0.90 C 23.0 1.20 37.5 0.50 D 38.0 1.05 59.5 0.75 E 57.0 1.20 87.5 0.6 F 93.0 0.95 99.5 0 G 100.5 0 - - 1.2 B C D E 1 B F 0.8 D 0.6 E 0.4 C 0.2 A 0 A 0 20 40 60 80 100 F G % 11
(%) (%) A -1.0 0 1.0 0 B 15.5 1.20 26.0 0.90 C 34.5 1.20 57.0 0.50 D 56.5 1.05 81.5 0.65 E 85.0 1.20 99.0 0 F 101.0 0 - - 1.2 B C D E 1 B 0.8 D 0.6 C 0.4 0.2 A A E F 0 0 20 40 60 80 100 % 12
(%) (%) A -1.5 0 1.5 0 B 23.5 0.83 26.0 0.55 C 48.5 1.15 51.5 0.95 D 80.0 0.86 77.5 0.52 E 101.5 0 98.5 0 1.2 C 1 0.8 0.6 B C D 0.4 B D 0.2 A 0 A E E 0 20 40 60 80 100 % 13
2.3 2.3.1 2.2 2.4 2.3.2 1-17MHz 15dB 17-25MHz 8dB 2.4 2.4.1 2.4.1.1 14
2.4.1.2 2.4.1.3 2.4.1.1 2.4.1.2 2.4.1.2 2.4.1.1 2.4.1.4 2.4.1.5 15
2.4.1.6 2.4.1.7 2.4.1.8 2.4.1.7 16
Transmit+ Receive+ Transmit- Receive- Receive+ Transmit+ Receive- Transmit- 2.4.2 2.4.2.1 17
2.4.2.2 2.4.2.3 2.4.2.1 2.4.2.2 2.4.2.2 2.4.2.1 2.4.2.4 2.4.3 2.4.3.1 18
2.4.3.2 2.4.3.3 2.4.3.1 2.4.3.2 2.4.3.2 2.4.3.1 2.4.3.4 19
Transmit + Receive + Receive + Transmit + Receive - Transmit - Transmit - Receive - kbit/s kbit/s 20
1 8 4 4 5 PRNG X_X X_4 X_8 NRZI 1 1 0 1 8 4 4 5 PRNG X_X X_4 X_8 1 NRZI 3.1 x10 x7 21
x 1 x 2 x 5 x 3 x 4 x 6 x 7 x 8 x 9 x 10 d 0 d 1 D 0 D 1 D 2 d x = D x = = d 2 D 3 (MSB) d 3 x 1 x 2 x 3 x 4 22
PRNG PRNG PRNG 3.1.1 F,0,8,3,C,F,E,8,C,7,C,C,7,D,4,3,9,4,0,0,1,8,4,4,0,3,9,5,8,4,5,8,7,D,5,B,D,0,0,3,8,D... 3.2 23
0000 10101 0001 01001 0010 01010 0011 01011 0100 00111 0101 01101 0110 01110 0111 01111 1000 10010 1001 11001 1010 11010 1011 11011 1100 10111 1101 11101 1110 11110 1111 11111 00010 3.2.1 24
3.2.2 3.2.3 25
3.3 3.4 26
27
asynchronous transfer mode (ATM) bit error ratio (BER) broadband aspects of integrated services digital network (B-ISDN) cell delineation cell header foiled twisted pair (FTP) header error control (HEC) media interface connector (MIC) near end crosstalk (NEXT) non retrun to zero invert (NRZI) phase lock loop (PLL) physical media dependent (PMD) pseudo random number generator (PRNG) receiver acquisition time (RAT) receiver return loss (RRL) structural return loss (SRL) shielded twisted pair (STP) transmission convergence (TC) transmitter duty cycle distortion (TDCD) transmitter edge jitter (TEJ) transmitter launch amplitude (TLA) transmitter return loss (TRL) user network interface (UNI) unshielded twisted pair (UTP) 4 bit5 bit line coding mechanism 28