TDT BH32, Manual, Page: 16 / 16

17-32 System 3
BH32 Behavioral Cage Controller
DB25 Digital IO ‐ 2 Pinout
Molex Pin and Socket Connectors
EXTERNAL POWER
V+ Positive Voltage
NC No Connection
G Ground
1.57mm Diameter Standard Molex Pin and Socket connectors on top panel.
Important! The external power connectors are shorted together; do not connect a second
external power source.
I/O CONNECTORS
V+ Positive Voltage
S Signal
G Ground
Pin Name Description Pin Name Description
1 A1 Bank A
Bits 1, 3, 5, and 7
14 D7 Bank D Bit 7
2 A3 15 A2 Bank A
Bits 2, 4, 6, and 8
3 A5 16 A4
4 A7 17 A6
5 B1 Bank B
Bits 1, 3, 5, and 7
18 A8
6 B3 19 B2 Bank B
Bits 2, 4, 6, and 8
7 B5 20 B4
8 B7 21 B6
9 D1 Bank D
Bits 1, 2, 3, 4, and
6
22 B8
10 D2 23 D8 Bank D Bit 8
11 D3 24 GND Ground
12 D4 25 D5 Bank D Bit 5
13 D6