D
Y
4 S
YSTEMS
I
NC
.
H
ARDWARE
I
NSTALLATION
812628 V
ERSION
1 O
CTOBER
2003
4-3
C
ONNECTING
A
T
ERMINAL
In order to access the features available within the embedded firmware on the SCP/DCP-
122, you will need to attach a terminal or PC-emulated equivalent to the Serial Channel 1
interface on the card.
As seen in Figure 4.1 below, connect a terminal to the SCP/DCP-122 J2 connector via the J3
RS-232 connector provided on the SCP/DCP-122 transition module (Dy 4 order number BPK-
122-000) available from Dy 4 Systems (for use with either the SCP or DCP product versions).
Default serial communication parameters are 9600 N, 8, 1 (9600 baud, no parity, 8 bits, 1
stop bit).
F
IGURE
4.1: SCP-122 Terminal Connection via (BPK-122-000) Transition Module
BPK-122-000 T
RANSITION
M
ODULE
The BPK-122-000 Transition Module is used to access the user's I/O from the CPCI chassis
backplane. The 122 I/O consists of:
• two RS-232 serial ports (channel 1and channel 2)
• two EIA-422 serial ports (channel 3 and channel 4). The 422 channels can be config-
ured as two independent asynchronous channels or one synchronous channel (Ch4
data becomes CH3 clock)
• one 10 Base-T/100 Base-TX Ethernet port
• one USB interface
• 16 bits of discrete I/O
• External card Reset
• 64-bit PMC I/O
The transition module may be used in a variety of applications, to optimize connectivity to
either the SCP/DCP-122 basecard, or any PMC module that may be installed on the
SCP/DCP-122.
J2
CPCI
J4
(USB)
J5 Eth
RS-422 Ch3
and Ch 4
DIO
P0
Cable
I/F
Reset (E36, E37)
J3
RS-232
J6
RS-232
Ch1
Ch2
SCP-122
Chassis
Backplane
Transition Module
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