9
802.3ck Task Force 1 Chris DiMinico MC Communications/PHY-SI LLC/Panduit [email protected] 802.3ck D1.4 162 cable assembly 162 A-D Annexes (TBDs)
802.3ck Task Force 1
Chris DiMinicoMC Communications/PHY-SI LLC/[email protected]
802.3ck D1.4 162 cable assembly
162 A-D Annexes (TBDs)
802.3ck Task Force 2
Purpose
• TBDs - 162 cable assembly and 162 Annexes A-D- 162 Cable assembly ERL- Annex 162B MTF - FOMILD , ERL
• Annex 162B MTF – Informative RL
802.3ck Task Force 3
• 162 Cable assembly Minimum ERL
162 Cable assembly
802.3ck Task Force 4
• 162 Cable assembly Minimum ERL
162 Cable assembly
802.3ck Task Force 5
• 162 Cable assembly Minimum ERL (D1.4)
162 Cable assembly
802.3ck Task Force 6
• 162B.1.3.1 Mated test fixtures FOMILD
Annex 162B Mated Test Fixtures
• 162B.1.3.2 Mated test fixtures effective return loss (ERL)
802.3ck Task Force 7
MTF ERL• Specify MTF ERL with 9 dB requirement• Use MTF ERL Parameters Table Below
https://www.ieee802.org/3/ck/public/20_10/kocsis_3ck_02b_1020.pdf
Shown difference betweenERL ~7dB and ERL ~8dB
The difference caused by the limit line violation >45GHz is ~0.2dB ERL
05
10152025
0 10 20 30 40 50
dB
GHzMTF Differential Return Loss
SDD11‐RX2‐A‐ERL 9.714 dB
SDD22‐RX2‐A‐ERL ~9.0 dB
802.3ck MTF RL‐proposal new
TDR_W_TXPKG 0config_com_ieee8023_93a=3ck_d1p3_120g_C2M_tp1a_09_01_20
Shown difference betweenERL ~8dB and ERL ~10dB
802.3ck Task Force 8
MTF RL
802.3ck Task Force 9
0
2
4
0 5 10 15 20
dB
16 Lanes ‐MTF IL measurements
Open circuit HCB IL @26.56 GHz
IL @26.56
0
5
10
15
20
25
30
35
0 10 20 30 40 50RX3 ~Open circuit HCB IL and MTF IL
802.3ck MTF MAX IL 802.3ck MTF MIN IL802.3cd MTF IL MIN 802.3ck IL PCB HCBRX3 PHY-SI
HCB – Test Methods without MCB
