Sailor RT4822 User Manual download pdf (Page 12)

Installation

RT4822

2.6.1 SPARC-Bus Cable

The table below describes the max. length of the SPARC-bus cable for the power supply for one handset unit.

The length of the cable depends on the number of supply wires and the wire thickness. The table shows the cable

lengths for systems with a supply voltage of +12V. If the system supply voltage is 24V, i.e. the supply voltage is provided

through N420, the max. cable length listed in the table may be doubled.

Number System Number of From To Wire Number of wires Number of wires Max.

supply wires in cable mm2 - BATT OVDC +12VDC length

+12 Volt 2x8 BOX HOOK 0.25 2 2 30 metres

+12 Volt 2x8 BOX HOOK 0.50 2 2 60 metres

+12 Volt 2x8 BOX HOOK 0.75 2 2 100 metres

56.114 +12 Volt 2x8 Transceiver HOOK 0.14 3 2 5 metres

The SPARC-bus cable length is limited by the level of output power delivered to a connected external speaker on the

LS_2 terminals. The speaker output power depends on cable length and cable thickness as described in the table

below.

Wire [mm2] Length [m] Max. Power [W]

0.14 5 3.4

0.25 10 3.2

0.25 20 2.0

0.50 20 3.2

0.50 40 2.0

0.75 30 3.2

0.75 60 2.0

35356

56.114

SPARC-bus/Option cable 5 metres 56.114

Pin no. Name Colour Twisted pair

pin 1 SUPPLY_ON Red/White 7

pin 2 SPARC+ Yellow 1

pin 3 SPARC- Yellow/White 1

pin 4 AF+ Blue/White 2

pin 5 AF- Blue 2

pin 6 -BAT_0VDC Red and Orange 7/8

pin 7 +12VDC Orange/White 8

pin 8 RX_AF+ Green/White 3

pin 9 RX_AF- Green 3

pin 10 +12VDC Black/White 6

pin 11 LS_1+ Brown 4

pin 12 LS_1- Brown/White 4

pin 13 -BAT_0VDC Black 6

pin 14 LS_2+ Purple 5

pin 15 LS_2- Purple/White 5

Shield Shield

0738

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 18 19 20

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Sailor RT4822 User Manual Page 12

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