ASL INTERCOM VAR8-ACU Series, Руководство по установке

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VAR8-ACU and Variants - Installation Guide
1.1 Installation Requirements
•
The VAR8-ACU unit.
•
A 19-inch standard rack and wiring for power supply, signal monitoring, and RS232 and RS485 cabling
as appropriate.
•
A small flat-bladed screwdriver.
•
Large pozidrive screwdriver.
•
Cable termination tools - cutters/strippers etc. to suit cable type.
1.1.1 Cabling Requirements
The following cabling is recommended within the equipment rack. For pinout refer to Figure 1 (page 5 ), and
for cabling connector refer to Section “ 2 Connections ” (page 11 ).
1. DC power supply cabling:
Standard cable rated for 3 A.
Recommended type: BELDEN 8205LSHF.
2. Audio input:
Twisted pairs, individually screened.
Recommended type: BELDEN 8451 LSHF.
The rack and field cabling should be as described in the diagram shown in
Figure 3 .
3. Audio and data network cabling:
Twisted pairs with overall foil screen.
Recommended type: FS cables 2407 POFYH.
The Upstream side of the network connection is isolated RS485. The rack and field cabling should be as
described in the diagram shown in
Figure 2 .
4. Other cabling:
Overall screened.
Recommended type: BELDEN LS0H.
The rack and field cabling should be as described in the diagram shown in
Figure 3 .
The use of screened cables where specified is necessary for EMC compliance. Also for EMC
compliance, rack and field cabling should be according to the specified diagram.
! !
Issue: 02 complete, approved
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