GILBARCO VEEDER-ROOT BRCM2.X - Combined D-box and Field Wiring Board - M16107 A00 X

Upgrading to BRCM2.x
Page 32 MDE-5265E BRCM2.x Installation and Upgrade Instructions · April 2021
Combined D-box and Field Wiring Board - M16107A00X
Note: M16017 uses a switching power supply in the base; therefore, M16017 is not
interchangeable with M16377 or T17651.
Figure 32: Combined D-box and Field Wiring Board - M16107A00X
Loop current selection
(20mA/35mA/45mA)
RS422-A 
from POS
RS422/TWI-A
selection
TWI-A
from POS
RS422-B 
from POS
RS422/TWI-B
selection
TWI-B
from POS
High Speed
Enable
JP24A &
JP24B
Loop
configuration
To +15V P.S.
To Dispenser
1-4
To Dispenser
5-8
To Dispenser
9-12
To Dispenser
13-16
High Speed
input - Connect
to BRCM2
JP24A & JP24B are used to allow the high speed signal to be added to the outputs of
P106A and P107A. Therefore, if the site has a mix of dispensers without a DCM2 or
DCM3, these jumpers can be removed to prevent the high speed from going to these
dispensers.
IMPORTANT INFORMATION
Table 1: Jumper Selection for Connection to POS
For RS-422 to POS For Two-wire to POS
JP_POS_A A-RS422 position B-Two-wire position
JP_POS_B A-RS422 position B-Two-wire position