Specifications
PC/II+p Board Technical Reference Manual 40
MT002615 ©1999-2001, Megatel Computer Corporation
Table 12 Signals – J905 – Ethernet 10Base-T Interface
PIN NAME PIN# SIGNAL NAME SIGNAL DESCRIPTION
E1-TD-
7 Negative Transmit Data Negative Differential Manchester-encoded
Transmit Data Line, 10 Mbps, from onboard
10 BASE T Isolation Transformer (1:SQRT(2))
Pin 11. Connect to external RJ45 connector
Pin 2.
E1-TD+
8 Positive Transmit Data Positive Differential Manchester-encoded
Transmit Data Line, 10 Mbps, from onboard
10 BASE T Isolation Transformer (1:SQRT(2))
Pin 9. Connect to external RJ45 connector Pin
1.
E1-RD-
3 Negative Receive Data Negative Differential Manchester-encoded
Receive Data Line, 10 Mbps, to onboard 10
BASE T Isolation Transformer (1:1) Pin 16.
Connect to external RJ45 connector Pin 6.
E1-RD+
4 Positive Receive Data Positive Differential Manchester-encoded
Receive Data Line, 10 Mbps, to onboard 10
BASE T Isolation Transformer (1:1) Pin 14.
Connect to external RJ45 connector Pin 3.
Table 13 Signals – J905 – Ethernet AUI Interface
PIN NAME PIN# SIGNAL NAME SIGNAL DESCRIPTION
E2-CLSN-
1 Negative Collision In Negative Differential AUI Collision Input Line,
to onboard AUI Isolation Transformer Pin 13.
Connect to external DB15 connector Pin 9.
E2-CLSN+
2 Positive Collision In Positive Differential AUI Collision Input Line,
to onboard AUI Isolation Transformer Pin 10.
Connect to external DB15 connector Pin 2.
E2-TRMT-
9 Negative Transmit Data Negative Differential Manchester-encoded
Transmit Data Line, 10 Mbps, from onboard
AUI Isolation Transformer Pin 16. Connect to
external DB15 connector Pin 10.
E2-TRMT+
10 Positive Transmit Data Positive Differential Manchester-encoded
Transmit Data Line, 10 Mbps, from onboard
AUI Isolation Transformer Pin 15. Connect to
external DB15 connector Pin 3.
E2-RCV-
5 Negative Receive Data Negative Differential Manchester-encoded
Receive Data Line, 10 Mbps, to onboard AUI
Isolation Transformer (1:1) Pin 10. Connect to
external DB15 connector Pin 12.
E2-RCV+
6 Positive Receive Data Positive Differential Manchester-encoded
Receive Data Line, 10 Mbps, to onboard AUI
Isolation Transformer (1:1) Pin 9. Connect to
external DB15 connector Pin 5.