RTS TM-2000 Bedienungsanleitung PDF herunterladen (Seite 32)

7.13.4 Programming GPI Inputs

Using a GPI input is a 2-step process. First you define a

particular “key” at a particular intercom port that will be

activated by the GPI input. You do this using the GPI IN

button on the ZEUSedit toolbar. It is important to note

that there does not actually have to be a keypanel con-

nected at the port you select. In fact, there usually is no

keypanel connected. The main purpose of the GPI inputs

is to create a virtual key for an intercom channel that

needs to control some device, but does not have a key-

panel to do it. Once you have defined the key assignment

that will be activated, you must assign the key itself. You

do this like any other key assignment, by clicking the KP

button, selecting the port where you want to assign a key,

and then assigning the key. To get help with GPI Inputs,

click the GPI In button, then press the F1 key for help. To

get help with keypanel key assignment, click the KP but-

ton, then press the F1 key for help.

7.14 UIO-256 Input/Output Frame

The UIO-256 provides 16 control inputs and 16 control

outputs. These can be used exactly like the Zeus GPI in-

puts and outputs that were discussed previously, except

that the UIO-256 outputs are actual relay contacts. The

UIO-256 connects to the Zeus multi-purpose accessory

connector, J26. Use a cable as shown in Figure 17.For

further information on the UIO-256, refer to your UIO-

256 User Manual.

☞

When a UIO-256 is connected and communicating

with Zeus, the UIO-256 status indicator will be lit on

the Zeus front panel.

7.15 LCP-102 Level Control Panel

The LCP-102 Level Control Panel lets you access Zeus’

analog input and output gain adjustments. And, it lets you

select program input sources for IFB’s and set the pro-

gram levels. You can also use it to set up party lines and

adjust the listen levels for individual party line members.

The LCP-102 connects to the Zeus multi-purpose acces-

sory connector, J26. Use a cable as shown in Figure 16.

For further information on the LCP-102, refer to your

LCP-102 User Manual.

☞

When an LCP-102 is connected and communicating

with Zeus, the LCP-102 status indicator will be lit on

the Zeus front panel.

7.16 Using RTS TW Intercom Belt

Packs with Zeus

The use of RTS Model BP-318 TW Belt Packs with Zeus

was shown in the example intercom systems (Figure 3,

page 12 and Figure 8, page 21). A detailed connection

diagram is shown in Figure 27.

In a TW intercom system, belt packs are usually operated

on a party line, with audio and power being distributed on

a common circuit between all of the belt packs. The

power supply in a TW intercom system establishes what

is called the “terminating impedance”. This terminating

impedance assures that the system levels will not shift as

belt packs are added to or removed from the party line.

Without any terminating impedance, the belt pack audio

would be very distorted.

One characteristic of TW party lines, is that it is not possi-

ble to isolate specific members of the party line, unless

special isolate control panel hardware is used. On the

other hand, isolate capability is a standard feature in Zeus,

but it requires that each belt pack be connected to a sepa-

rate Zeus intercom channel. Party lines are created elec-

tronically within Zeus using ZEUSedit. Then, to isolate a

specific belt pack, it is a simple matter to electronically

isolate it from the party line using the ISO feature.

In the example diagrams, an RTS Model PS-15 TW

Power Supply supplies power to the belt packs. Other TW

power supply models can be substituted. SSA-324

System-to-System Adapters are used to make the belt

pack audio compatible with Zeus. Each SSA-324 can in-

terface 2 belt packs to Zeus, with each belt pack on a

separate channel. In order to prevent audio coupling be-

tween the belt packs, the power distribution cables are

constructed without connecting any wire to pin 3 (see Fig-

ure

19, page 24). Since the pin 3 connection from the

power supply is also what normally sets the terminating

impedance, it is necessary to create a special terminating

plug as a substitute (see Figure 20, page 24). The TW5W

splitters are used as a convenient and inexpensive way to

combine the audio, power and termination connections for

each belt pack. A belt pack may then be connected to each

TW5W using a standard TW intercom cable (Figure

18,

page 24).

30 Getting Started, Zeus™ DSP Intercom Matrix

1 8 16 24

UIO-256 Status

1 8 16 24

LCP-102 Status

1 2 ... 27 28 29 30 31 32 33 34 35 36 37

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