GDC 1001A RBS-3 DATA COUPLER with Instructions

W W !!!

Now, HERE IS a blast from the past !!!

We are not the original owners so we REALLY do NOT know much about this lot
such as their condition, completeness, etc.
However we will tell you what we see :-)

The label on the top says:
" GDC 1001A-(REGPR)
DATA COUPLER (RBS-3)
GDC PART No. 008A010-003
Serial No.
General DataCom Industries, Inc.
Danabury, Connecticut
COMPLIES WITH PART 68 FCC RULES
FCC REG NO. AG697J-62612-PC-E
RINGER EQUIVALENCE * 0.6B "

In the back are 3 round ports.
The middle one is much smaller than the ones on its sides.
The two larger ones have plastic caps on them.

In the front are 2 rows of 6 ea: screw terminals.
The top 6 say: -V +V DA OH DT LC1
The bottom 6 say: SH SG CCT R1 DR LC2

To the right of that section is a wire coming out that is attached to the
GDC Part No. 700-026-001 REV. H
On that piece are screw terminals that say 1R 2Y 3B GRD.
The above wire is attached to 1R and 3B

The GDC Part No. 700-026-001 REV. H says:
INPUT 120 VAC 60HZ 0.15A CLASS 2 TRNSF.
OUTPUT 18.5 V 12 VA

The instructions are original General DataComm Industries, Inc.
OPERATING AND INSTALLATION INSTRUCTIONS
FOR
GDC DATA COUPLER RBS-3
TYPE 1001A/F, USOC CBS
Issue 7, January 1982
Copyrighted, General DataComm Industries, Inc., 1982

Sorry but we really don't know anything else about this item ...
It is untested so it will be an as is sale.

Enjoy this morsel from the computer history vault !!! ;-)