10.
Replace the receiveris cmer.
B.
Comeeti~ and Settiogs:
,_
1.
2.
3.
4.
5.
6.
7.
8.
Connect a 800d earth gromd (a cold water pipe or d ectrical box
grounding wfil seine this pu~ose in some locations) to the scrm
teminal marked EAR~ GROUND.
This scra is located on the lower
right
side of the NO. 685*s rear panel (see Diagram 2). This
connection will provide a ground path for the syst~ and must be
used.
Comect printer(s) and/or c~pntefi to the appropriatee connector(s)
prwided at the rear of the receiver.
Note:
Use of shielded cable betieen the No.
685 and the printer(s)
is recommended.
*
Not relmant to UL 864 Listed fire tiam monitoring.
If opti~ co-tire to the ~
AL= c~ector at the rear of
the receiver ia to be made (see Section III D 5), use the two
conductor cable ass~bly prowided, at this time, and cmplete this
portion of the comection procedure.
Set the switches in the DIP ~itch group ad the RRCS~ -RR
sdertor ~itch (locatedinside the flip-dwn pand on the face of the
receiver) in accordance with Sections 111 B and IIT C.
Open the
flip-down panel by palling on the hsndle.
Comect the AC line cord (prwionsly pluggd into the back of the
receiver) to the AC sourcefi.
The AC P~ER light on the face of the
receiver should fll~inte, the TI~ and DATS should appear on the
display (though not yet correctly act) and the receiverfs fan shodd
operate.
**
The AC source for the UL 864 Listed fire dam monitoring is the
wired-in receptaclein the 19-inch rack cabinet.
The sof~are rwision lmel shodd appear on the left display.
Plug both connectors frm the staod~ batteq cables (pr~iously
c~ected to the bstte~) to the B~ 1~ conectors at the rear of
the receiver.
Set the date snd ttie via the appropriate witches behind the
flip-d~n panel on the frent of the receiver, as described in Section
III C 5, 6, 7.
b-t the tdephme line(s) to the T~@ LI~S teminds at the rear
of the receiver, obseming polarity.
Polariq must be obsemad, to
dlw the receiver!sline fadt motitors to ope~te.
Polarity my be
detemined by placing a DC voltmeter (50-volt scale) temporarily
across tbe phone line.
If the meter reads upscale, the positive (+)
lead of the meter is comected to the positive (+) phone wire.
If the
meter reads dmnscale, the positive lead of the meter is connected to
the negative (-) phone wire.
49
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