Dolby Laboratories DP503 - Manual (Page 35)

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At the DP503, connect the end of the “Y” cable labeled “encoder” to J105
Encoded Data Out & Timing.
At the DP524 digital audio decoder, furnished as part of the Dolby Fax system,
connect the end of the “Y” cable labeled “decoder” to J103 Encoded Data In &
Timing.
At the ISDN unit, connect the remaining end of the “Y” cable to its mating
connector at the rear of the unit, labeled HOST 1.
4.6.4 Auxiliary Data
Be sure to make auxiliary data connections to the DP524 decoder (if present), if
using this feature. Refer to the manual supplied with the DP524 as necessary.
4.6.5 Terminal Adapter Control
As part of the cable complement supplied for a Dolby Fax installation, packed with
the ISDN unit is a unique cable with a 9-pin female connector on one end and
telephone-style RJ-11 jack on the other.
At the DP503, connect the 9-pin female end of the cable to J107 TA Ctrl.
For the ISDN unit, connect the RJ-11 end of the cable to the RJ-11 connector
labeled CONTROL..
4.6.6 Remote Control
Note All Dolby Fax remote control functions are accessed from the DP503.
4.6.7 Status
Be sure to make status connections to the DP524 decoder (if present), if using this
feature. Refer to the manual supplied with the DP524 as necessary.
4.6.8 Power
Also connect mains power to the DP524 and ISDN unit.
Note: The ISDN unit uses an in-line transformer. Be sure to secure it safely in the rack. Connect it to the
mains line. Attach its output to the corresponding receptacle at the rear of the ISDN unit.
4.6.9 Level Calibration
The analog outputs of the DP524 decoder (if present) have output level controls.
Using the test tone of the DP524, adjust the output trims and/or the input to the
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