Diskette Drive - NEC EXPRESS 5800 ES1400 SERIES Online Service Manual

RJ-45 Network
Pin Signal
1 TX+
2 TX-
3 RX+
4 NC
5 NC
6 RX-
7 NC
8 NC

Diskette Drive

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