Functional Description
EBC2
Page 2 - 40
© 2005 Kontron Modular Computers GmbH
ID 29022, Rev. 01
26873
.02.VC.050120/135439
P R E L I M I N A R Y
2.4.20
J22 - SER2 HSS Connector
This connector is used to provide high speed RS232 full modem or RS422/RS485 serial inter-
facing. This is a standard 9-pin, male, D-Sub connector.
Figure 2-26: J22 - SER2 HSS
Connector
2.4.21
J25 - Mini PCI Connector
The EBC2 has one, 32-bit, 33 MHz, standard 124-pin Mini-PCI socket which accepts all type
III Mini PCI boards. This interface supports a wide range of available Mini-PCI modules.
The Mini-PCI connector is a 124-pin card edge type connector that is similar to the SO-DIMM
type. In the Mini-PCI specification this connecter is defined as “Type III”.
The maximum permitted height for the Mini PCI connector and the Mini PCI module is 8 mm.
Figure 2-27: J25 - Mini PCI Connector
Table 2-35: Pinout of J22
PIN
RS232
RS422
RS485
1
DCD
RXD+
NC
2
RXD
NC
NC
3
TXD
TXD+
TRXD+
4
DTR
NC
NC
5
GND
GND
GND
6
DSR/TCLK
RXD-
NC
7
RTS
NC
NC
8
CTS
TXD-
TRXD-
9
RI/RCLK
NC
NC
5
1
6
9
1
2
124
123