User's Manual

385700-1006-006 INSTALLATION
Document use is restricted to that described on cover 2-16
Figure 2-7 shows the connector of the BDR rear panel
DATA 1
port (J2). The connector is a
25 pin D-sub. The part number is ITT DBU-25S-FO or equivalent. A mating connector with
a metal backshell for shielding purposes should be used.
Figure 2-7 BDR Data 1 Port Cable Pin-outs
The signals on pins 6, 22, 20 and 23 are provided to enable either
DATA 1
or
DATA 2
port.
Table 2-1 shows the selection of the BDR data port based on these signals.
Control
Equipment
Inputs
VDC
(Nominal)
Control
Equipment
Outputs
VDC
(Nominal)
Active
Data Port
CNTL_OUT+
CNTL_OUT-
5
0
CNTL_IN+
CNTL_IN-
5
0
DATA 2
CNTL_OUT+
CNTL_OUT-
5
0
CNTL_IN+
CNTL_IN-
0
5
DATA 1
CNTL_OUT+
CNTL_OUT-
5
0
CNTL_IN+
CNTL_IN-
NC
NC
DATA 2
Table 2-1, BDR Data Port Enable Signals
Refer to “ATCS Radio Network Interface Control Document” for complete BDR to wayside
equipment interface information.
Pin Assignment Signal
PIN 1 Shield
PIN 2 TXD(A)
PIN 14 TXD(B)
PIN 3 RXD(A)
PIN 16 RXD(B)
PIN 15 TXCLK(A)
PIN 12 TXCLK(B)
PIN 17 RXCLK(A)
PIN 9 RXCLK(B)
PIN 4 RTS(A) – not used
PIN 19 RTS(B) – not used
PIN 5 CTS(A) – not used
PIN 13 CTS(B) – not used
PIN 7 GND
PIN 6 CNTL_OUT+
PIN 22 CNTL_OUT-
PIN 20 CNTL_IN+
PIN 23 CNTL_IN-
J2
DATA 1
Pin 1
Pin 2
PIN 14