Spirent SmartBits System - Page 216

Appendix B: Auto Negotiation
Summary of MII Registers and Bit Definitions
208 SmartBits System Reference
4 Selector Field Reserved
3
2
1
0
Table C-6. Bit Definitions for MII Register 9 (1000BASE-T Control Register)
Bit Name Description
15 Transmitter Test Mode Default bit values are 00
14
13 Receiver Test Mode Default bit value is 0
12 Master/Slave Manual
Configuration Enable
1 = Enable Master/Slave Manual Configuration value
0 = Disable Master/Slave Manual Configuration value
11 Master/Slave Manual
Configuration Value
1 = Configure PHY as Master during AN (only when
Bit 12 = 1)
0 = Configure PHY as Slave during AN (only when Bit
12 = 1)
10 T2_Repeater/DTE Bit 1 = Repeater device port
0=DTEdevice
9-0 Reserved Ignored when read.
Table C-5. Bit Definitions for MII Register 4 (AN Advertisement) and Register 5 (AN Link
Partner)
Bit Name Description