109

108

109

- Mbit/sppm m EIA/TIA568 A95 ISO/IEC 11801 ISO/IEC 603-7 Mbaud 110

- ns ns VPeak-to-Peak V MHzMHz 1-6 MHz db 6-17 MHz db 17-25 MHz db 1-17 MHz db 17-25 MHz db 111

ns 112

ns 113

ns 114

ns 115

ns 116

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 ESC(X) 00010 X_X ATM X_ ATM X_ ATM Sync_Event 117

ss Sync_Event Sync_Event 118

119

120

bit/s ppm DS3 121

ns khzdbmdbm khzkhz db m ex.jis 5C-2V,JIS 5C-2W Value of curve Lower curve -0.36-0.360.28 0.28 0 0.51+sin(/2)(1+T/0.18) 0.11e -3.42 (T-0.3) Upper curve -0.65-0.650 00.36 0.36 0 1.051-e -4.6 (T 0.65) 0.51+sin(/2)(1+T/0.34) 0.05+0.407e -1.84 (T-0.36) 122

bit (1bit) 679bit (1bit) 679bit (1bit) 679bit (1bit) 679bit (1bit) 679bit (1bit) 679bit (1bit) 679bit Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info Info bit bit 123

PLCP Framing POI POH PLCP Payload (1 Octet) (1 Octet) (1 Octet) (1 Octet) (53 Octet) First ATM Cell ATM Cell ATM Cell ATM Cell ATM Cell ATM Cell ATM Cell ATM Cell ATM Cell ATM Cell ATM Cell Twelfth ATM Cell Trailer 13 or 14 nibbles PLCP M1,M2,M3 F1F2,F3,F4 P1,P2 4704bits X1,X2 C*1,C*2,C*3 (*17) A1,A2 P00P11 G1 PLCP B1 C1 X Z1Z6 Trailer Growth Octet nibbles nibbles = bits 124

C11 C12 C13 C21C23 C31C33 P1=P2=0 0,0,0 P1=P2=1,1,1 C41C43 C51C53 1,1,1 1,1,1 1,1,1 C61C63 C71C73 C11C73 6bit + 1bit +1bit no stuff stuff 125

PLCP 00000000 00000000 00000000 00000001 126

127

PLCP Framing POI POH PLCP Payload (1 Octet) (1 Octet) (1 Octet) (1 Octet) (53 Octet) First ATM Cell ATM Cell ATM Cell ATM Cell ATM Cell ATM Cell ATM Cell ATM Cell ATM Cell ATM Cell ATM Cell Twelfth ATM Cell Trailer 13 or 14 nibbles 128

129

130

bit/s 131

TENT NT LT NT LT TENT 132

SC bit/s ppm [ ] [ ] [ ] 1 a 133

(PhysicalLayer Interface Specification) JT-G957 I-1 () JT-G957 I-1 () ATM-Forum (Physical Layer Interface Specification) bit/s bit/s m 134

Peak - Peak Jitter amplitude (log scale) f1 2 / 3 f4 Unit Interval(6.43nsec) Note - 155.520 O.1UI peak to peak Jitter frequency (log scale) / O.1U peak to peak / f f1 f F3 f Jitter frequency (log scale) Unit Interval(6.43nsec) Note - 155.520 Forum JT-G957 I-1 () JT-G957 I-1 () ATM-Forum (Physical Layer Interface Specification) dbm dbm dbm dbm d db 135

(0.501.00) (0.350.80) (0.650.80) (0.150.50) (0.850.50) (0.350.20) (0.650.20) (00) (0.500) (1.000) (0.50-0.20) db 136

JT-G957 I-1 () dbm dbm JT-G957 I-1 () ATM-Forum (Physical Layer Interface Specification) dbm dbm ATM-Forum (Physical Layer Interface Specification) ATM-Forum (Physical Layer Interface Specification) ATM-Forum (Physical Layer Interface Specification) 137

Section Over Head Path Over Head () () () don care 138

139

140

141

142

143

144

145

146

147

148

- 149

150

151

152