NEC NEC Express5800 Series, Online Service Manual

Page: 193 / 198

Connectors D-9
RJ-45 Network
RJ-45 Network Connector Pinout
Pin Signal Description
1 TX+ Transmit data plus—the positive signal for the TD differential pair contains the serial output data
stream transmitted onto the network
2 TX- Transmit data minus—the negative signal for the TD differential pair contains the same output as
pin 1
3 RX+ Receive data plus—the positive signal for the RD differential pair contains the serial input data
stream received from the network
4 NC
5 NC
6 RX- Receive data minus—the negative signal for the RD differential pair contains the same input as
pin 3
7 NC
8 NC
Diskette Drive
Diskette Drive Connector Pinout
Pin Signal Pin Signal
1 GND 18 FD_DIR_L
2 FD_DENSEL 19 GND
3 GND 20 FD_STEP_L
4 N/C 21 GND
5 Key 22 FD_WDATA_L
6 FD_DRATE0 23 GND
7 GND 24 FD_WGATE_L
8 FD_INDEX_L 25 GND
9 GND 26 FD_TRK0_L
10 FD_MTR0_L 27 FD_MSEN0
11 GND 28 FD_WPROT_L
12 FD_DR1_L 29 GND
13 GND 30 FD_RDATA_L
14 FD_DR0_L 31 GND
15 GND 32 FD_HDSEL_L
16 FD_MTR1_L 33 GND
17 FD_MSEN1 34 FD_DSKCHG_L