MMF POS Standard RS-232 Connection Interface Kit - Manual (Page 13)

531-8661-00 MMF Multi-Serial Interface Page 12 of 12
CONFIGURATION EXAMPLES
Interfacing with powered serial ports – The Multi-serial interface has the ability to receive power
from the host and avoid using an external power supply for the cash drawer. This is only possible if the host
has a powered serial port with the ability to supply 12VDC 800mA on pin#9.
SW2
SW3
SW1
P2
JP1
SIG PWR
SW3
SW2
SW1
P
1
J1
P3
FCC Statement
Information
DECLARATION OF CONFORMITY WITH FCC RULES FOR ELECTROMAGNETIC COMPATIBILITY
We, MMO POS, declare that the product:
Multi Serial Interface to which this declaration relates:
Complies with Part 15 of the FCC Rules
This Class ‘A’ Digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe ‘A’ est conforme à la norme NMB-003 du Canada.
CE Declaration
Complies with the EMC Directive 89/336/EEC Standard EN55022(2006), EN55024(1998),
EN61000-3-2(1995), EN61000-3-3(2006)

JP1 must be placed on the PWR
position (jumper across pins 3 and 2
of JP1) when receiving power via pin
9 from a PC powered serial port.
 Power will be received on
Pin#9 Ring Indicator (RI), for this
reason a different signal must be
selected to send the drawer
open/close status, for which CTS
or DSR are available and can be
selected on SW1.
3 2 1