The DBU-232 utilizes an RS-232 interface with data rate capabilities up to 128Kbps. The unit
can support up to 3 receive only terminals simultaneously. The DBU-232's master port has a
DB-25 female connector. The sub-channels are also DB-25 female connectors. The DBU-232
continuously broadcasts receive data and receive timing signals from the data source to the 3
output terminal ports. The DBU-232 is housed in a sturdy aluminum enclosure and is supplied
with an internal linear power supply. The unit has a 110/120 VAC rotary select switch located
on the rear of the housing. The unit can operate on standard power found in all countries.
CONTROL LEAD TO CONNECTOR PINOUT
MASTER PORT PINOUT
SUBCHANNEL PORT PINOUT
Pin Number Signal
Name
Pin Number Signal
Name
1
Chassis Ground
1
Chassis Ground
3
Receive Data +
3
Receive Data +
7
Signal Ground
7
Signal Ground
17
Receive
17
Receive
Pins 4 (RTS) and 20 (DTR) are looped
VOLTAGE SELECTION
It is
very
important to check that the unit is set to the correct voltage setting for your
application before applying AC power. Located on the rear of the unit you will find a
rotary 110/220 VAC switch. Using a coin or small screwdriver,
gently
turn the switch to
the appropriate power position as required for your installation (110 or 220 VAC).
VOLTAGE SELECTION FUSES
Located on the back or rear of the product you will find an IEC Power receptacle. This
receptacle contains a fuse drawer. Two (2) fuses are located in this compartment. For
110 VAC +/- 10% operation the unit is equipped with slow blow 5 x 20mm 160ma
Fuses, E.C.D. Part # 714000. For 220 VAC +/- 10% operation the unit is equipped with
slow blow 5 x 20mm 80ma Fuses, E.C.D. Part # 714001.
CONTACTING EAST COAST DATACOM, INC.
Call: (321) 637-9922, FAX: (321) 637-9980 or Email: [email protected]
Web Site: www.ecdata.com
Jan 10, 2001
CONFIDENTIAL AND PROPRIETARY TO EAST COAST DATACOM, INC.
CAUTION:
Disconnect Power Before Servicing
ATTENTION:
Couper Le Courant Avant l' Entretien
VORSICHT:
Befor Deckung Abnehmen Mach Strom Zu
DBU-232 TECHNICAL INFORMATION GUIDE
PT # 719007-A
