6
Table 1
Dialing Scheme
Dialing Scheme
Zone Code
Zones
00
All Call
01 - 68
Individual Zones
71 - 87
Fixed Zone Groups
91 - 99
Logical Zone Groups
Note: Zone Code is the splitter zone DTMF tone.
All splitters must use the same CLASS of wiring (CLASS “A” or “B”) for the audio output zones. See the SP4-
APS Installation Instructions (P84577) for proper wiring.
Individual Zone and Fixed Zone Group Zone Codes are controlled by the placement of the splitters in the
RS485 digital communication circuit. The first splitter connected to the RS485 digital control port on the SP4-
TZC will be assigned the first Zone Codes (Individual Zone Codes of “01” and “02” for CLASS “A”,
Individual Zone Codes of “01” through “04” for CLASS “B”, and a Fixed Zone Group Code of “71”). Using
the previous example where the first splitter covers the warehouse area, let’s add a second splitter covering the
front office area. If the paging zones are set for CLASS “A” then the warehouse will have Individual Zone
Codes of “01” and “02”. The front office area Individual Zone Codes will be “03” and “04”. The Fixed Zone
Group Code for the warehouse will be “71”, and the front office Fixed Zone Group Code will be “72”
INDIVIDUAL
ZONE CODES =
01,02
FIXED ZONE
CODE = 71
INDIVIDUAL
ZONE CODES =
03,04
FIXED ZONE
CODE = 72
INDIVIDUAL
ZONE CODES =
05,06
FIXED ZONE
CODE = 73
INDIVIDUAL
ZONE CODES =
07,08
FIXED ZONE
CODE = 74
INDIVIDUAL
ZONE CODES =
09,10
FIXED ZONE
CODE = 75
SP4-TZC
SP4-APS
SP4-APS
SP4-APS
SP4-APS
SP4-APS
SP40
SPB-160
SPB-160
#1
#2
#3
#4
#5
RS485
RS485
RS485
RS485
RS485
TO ADDITIONAL
SP4-APS SPLITTERS
CONNECT THE SP4-TZC RS485 CONNECTION
TO THE SP40 SP4-APS FIRST.
Figure 1
RS485 Communications Path from SP4-TZC to CLASS “A” SP4-APS Splitters
Figure 1 shows the path of the RS485 digital control loop and the sequence of the splitters in that loop. The
SP40 splitter is always the first splitter connected to the RS485 digital control loop. Notice on Figure 1 that the
Individual and Fixed Zone Group codes are listed for a CLASS “A” splitter configuration. The SPB-160 is used
as an example of an audio booster.
Содержание SAFEPATH 4 SP4-TZC
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