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5.4.3.
To ease the wiring job, all analog interface boards are supplied with a RJ11 patch box and a RJ21/RJ21
cable 1meter in length. (Optionally lengths of 3,5 and 10m are available)
Connect the Patch Box to the APRESA:
0
1
INT E RFACE CARD
The RJ11 Patch Box supports 24 channels. Each channel on the Patch Box has its own RJ11 inlet
connector. Note that the RJ11 modular connector has 6 pin positions of which only 4 are in fact having
contacts. RJ11 is also referred as a 6P4C modular connector.
5.4.4.
Following this way of installation, possible with ATP- or DST-cards, the supplied
cable will only have one RJ21 connector and an open end. After stripping the outer
sleeve of the open cable end one will have access to 25 colored twisted pairs. Only
24 twisted pairs represent the recording channels, the 25
function and can be ignored.
INSTALLATION MANUAL APRESA
Wiring using the RJ11 Patch Box
BA CK S IDE AP RE SA
A T P (ANAL OG)
2 4 CH RJ1 1 to RJ2 1 P AT CH
24
TO AU D IO
SOUR C E
Direct wiring ( NOT using a Patch Box )
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RJ2 1 -RJ2 1
CA BL E
BOX
24 x
4-WIR E C ABLE
APPLY
SIGNAL TO
TH E IN N ER
C OND U C TOR S
2 4 x
TO AUD IO
SOU R CE
th
6 PIN
POSITION S/4
PIN S
IN SER TED
1
4 3 2 1
DWG1 1 37 -0 0
twisted pair has no
48
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