User`s guide

Aironet Wireless Communications, Inc. 6-3 Confidential and Proprietary
35 GND Grounded
36 CD#1 N/C Connected to ground on the PC4500/4800
37 D11 Grounded
38 D12 Grounded
39 D13 Grounded
40 D14 Grounded
41 D15 Grounded
42 CE2# Tied high
43 VS1# N/C
44 IORD# Tied high Tie to VCC (no pull-up required)
45 IOWR# Tied high
46 A17 N/C
47 A18 RING RING is output from card (active low)
48 A19 DSR DSR is output from card (active low)
49 A20 DTR/BO DTR/BUSY OUT is input to card (active high)
50 A21 RTS# RTS is input to card (active low)
51 VCC Apply VCC
52 VPP2 Grounded Mode input
53 A22 CTS# CTS is output from card (active low)
54 A23 DCD/BI DCD/BUSY IN is output from card (active high)
55 A24 RXD RXD is input to card (NRZ data)
56 A25 TXD TXD is output from card (NRZ data)
57 VS2 N/C
58 RESET RESET Optional input – OR’d with internal reset
controller signal (active high);
use minimum 20 usec pulse, pulled high on
PC4500/4800. See note below.
59 WAIT# N/C
60 INPACK# N/C
61 REG# Tied high
62 SPKR# N/C
63 STSCHG# O.C. output Open collector output – Can be used for wake up
event
64 D8 Grounded
65 D9 Grounded
66 D10 Grounded
67 CD2# N/C Connected to ground on the PC4500/4800
68 GND Grounded
Note: the RESET signal is pulled high on the PC4500/4800, therefore, for the card to boot in serial mode,
this signal must be driven low.