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SSA-424 U

SER

M

ANUAL

13

2.5.2

C

ALL

S

IGNAL

C

ONNECTIONS

FOR

O

THER

4-

W

IRE

C

OMMUNICATON

S

YSTEMS

2.5.2.1 4-W

IRE

C

ALL

S

END

AND

C

ALL

E

NABLE

/I

NHIBIT

The SSA-424 accepts a switch-contact input from the
4-wire system and then generates a call signal output
to the 2-wire system. The SSA-424 also accepts an
optional switch contact input to enable or inhibit call
signaling between the 4-wire and 2-wire systems.
Figure 6 shows the typical connections.

2.5.2.2 4-W

IRE

C

ALL

R

ECEIVE

The SSA-424 receives call signals from the 2-wire
system, then converts this to relay contact closure for
use as a 4-wire call receive indication. The SSA-424
also pr5 VDC which can be connected to the
relay contacts to generate a DC output signal instead
of a contact closure. Connections for simple contact
closure and DC output signal are shown in Figure 7.

✏

The SSA-424 power indicator flashes
whenever a call signal is received from either
2-wire line. This can be used as an incoming
call indication for the 4-wire system, if
desired, and the level display should provide
an indication of which line is calling.

COMMON

4-WIRE CALL SEND

CALL ENABLE/INHIBIT

1

5

4

3

2

6

7

8

9

DB9F

(View from solder or crimp side)

CONNECTOR PIN NUMBERS

CLEAR-COM APPLICATION NOTE:
IF A CALL ENABLE/INHIBIT
SWITCH IS NOT USED, A JUMPER
MUST BE INSTALLED TO ENABLE
CALL SIGNALING. THE JUMPER IS
NOT REQUIRED FOR ANY OTHER
APPLICATION.

10 Ohm

PIN 4

AUX

CONNECTOR

(SYSTEM A OR B)

PIN 8

PIN 5

PIN 3

PIN 9

5 VDC

DC COMMON

1

5

4

3

2

6

7

8

9

TO SSA-424 AUX CONNECTOR

DB9F CABLE

(View from solder or crimp side)

CONNECTOR PIN NUMBERS

TO 4-WIRE SYSTEM

DB9F CABLE

(View from solder or crimp side)

CONNECTOR PIN NUMBERS

1

5

4

3

2

6

7

8 9

TO 4-WIRE + INPUT

TO 4-WIRE COMMON

TO SSA-424

AUX CONNECTOR

(SYSTEM A OR B)

SSA-424 INTERNAL CIRCUIT FOR CALL SIGNAL

OUTPUT TO 4-WIRE INTERCOM SYSTEM

+5VDC SIGNAL TO 4-WIRE

SYSTEM WHEN 2-WIRE SYSTEM CALLS

OUTPUT SHORTS TO COMMON FOR NO CALL

SIMPLE SWITCH CONTACT CLOSURE TO 4-WIRE

SYSTEM WHEN 2-WIRE SYSTEM CALLS

OPEN CIRCUIT FOR NO CALL

Figure 6. Typical call send and call enable/inhibit connections
for a 4-wire intercom system.

Figure 7. Call signal connections for a 4-wire intercom system
other than ADAM, ADAM CS, and Zeus.

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Содержание Zeus

Страница 1: ...WER 4W LEVEL REF SEL LEVEL SET SYSTEM A 4W 2W TO TO 2 BAL 1 1 2 BAL TW CHAN SEL 10dB 0dB 4dB 8dB 12dB 15 12 9 6 0 3 6 9 12 3 4W LEVEL REF SEL LEVEL SET SYSTEM B 4W 2W TO TO 2 BAL 1 1 2 BAL TW CHAN SEL 10dB 0dB 4dB 8dB 12dB 15 12 9 6 0 3 6 9 12 3 SSA 424 TM TM 9350 7638 000 Rev C 10 04 ...

Страница 2: ...rns If a repair is necessary contact the dealer where this unit was purchased If repair through the dealer is not possible obtain a Return Authorization from Customer Service Department RTS Telex Communications Inc Phone 1 800 392 3497 Fax 1 800 323 0498 DO NOT RETURN ANY EQUIPMENT DIRECTLY TO THE FACTORY WITHOUT FIRST OBTAINING A RETURN AUTHORIZATION Be prepared to provide the company name addres...

Страница 3: ...COM AUDIO CONNECTION 10 2 4 4 OTHER 2 WIRE AUDIO CONNECTION 10 2 5 4 WIRE CALL SIGNAL CONNECTIONS 11 2 5 1 CALL SIGNAL CONNECTIONS FOR ADAM ADAM CS AND ZEUS 11 2 5 2 CALL SIGNAL CONNECTIONS FOR OTHER 4 WIRE COMMUNICATON SYSTEMS 13 2 5 2 1 4 WIRE CALL SEND AND CALL ENABLE INHIBIT 13 2 5 2 2 4 WIRE CALL RECEIVE 13 2 6 2 WIRE CALL SIGNAL 14 2 6 1 CALL SIGNAL CONNECTIONS FOR AUDIOCOM RTS TW AND CLEAR ...

Страница 4: ...4 SSA 424 USER MANUAL ...

Страница 5: ...ired Direct ADAM Zeus Audio Connection Accepts standard ADAM Zeus DB9 or RJ11 keypanel cables Transformer Isolated All audio inputs and outpus are transformer isolated to prevent ground loops and hum Call Signal Option Detects call signals from any of the compatible 2 wire intercom systems and then provides a 5VDC output to the 4 wire intercom system Accepts a contact closure input from the 4 wire...

Страница 6: ... is located at the right end of the back panel This is a locking DIN connector The remainder of the back panel is divided into connectors for the two separate hybrids Connectors are labeled with J numbers followed fy A or B to indicate system A or system B For each hybrid there is an AUX connector This is used to connect to from the optional call signal card Below the AUX connector there are both ...

Страница 7: ...TIONS 2 3 1 ADAM ADAM CS OR ZEUS AUDIO CONNECTION 1 Use standard 9 pin or RJ11 keypanel cables Connect from one port of your intercom system to J2A or J3A System A connection on the back of the SSA 424 Connect from another port to J2B or J3B System B connection 2 On the SSA 424 front panel set the 4W LEVEL REF SEL switches to the 8dB posi tion 2 3 2 AUDIO CONNECTIONS FOR OTHER 4 WIRE COMMUNICATION...

Страница 8: ...ations Side By Side Rack Mount Configuration Using an MCP1 Rack Mount Kit Single unit Rack Mount Configuration Using an MCP2 Rack Mount Kit Tandem Configuration Using an MCP4 Tandem Mount Kit Console Mount Configuration Using an MCP3 Console Mount Kit ...

Страница 9: ...d Audiocom 1 channel cables Connect one Audiocom channel to the J1A connector on the back of the SSA 424 System A Connect a second Audiocom channelto the J1B connector System B If your Audiocom system uses 2 channel cables use a JB 2 Junction Box to split the channels Figure 4 The SSA 424 features internal DC isolation You cn therefore connect the SSA 424 to powered Audiocom cables and it will not...

Страница 10: ...em A hybrid Use the J1B connector to connect a second 2 wire line to the System B hybrid The pin configuration for the J1A and J1B connectors depends on whether you are connecting a balanced or unbalanced 2 wire line Balanced Configuration Pin 1 No connection Pin 2 Balanced Audio Input Output Pin 3 Balanced Audio Input Output There are two possible configurations for unbal anced connection Unbalan...

Страница 11: ...tion of the GPI outputs By default these outputs are set to duplicate the actio of the RTS FR9528 Relay Frame accessory This is the correct setting for use with the SSA 424 To check the AZedit setting select Intercom Configuration in the Options menu Click on the Options tab then verify that Configure onboard GPI outputs in FR9528 mode is selected Table 1 GPI Connector Pin out ADAM ADAM CS and Zeu...

Страница 12: ...h t s r e b m u N t u p t u O I P G s r e b m u N t u p t u O I P G s r e b m u N t u p t u O I P G s r e b m u N t u p t u O I P G s r e b m u N t u p t u O I P G s r e b m u N n i P t c a t n o C y a l e R s r e b m u N n i P t c a t n o C y a l e R s r e b m u N n i P t c a t n o C y a l e R s r e b m u N n i P t c a t n o C y a l e R s r e b m u N n i P t c a t n o C y a l e R 1 6 5 2 O I U 1 ...

Страница 13: ...tem if desired and the level display should provide an indication of which line is calling COMMON 4 WIRE CALL SEND CALL ENABLE INHIBIT 1 5 4 3 2 6 7 8 9 DB9F View from solder or crimp side CONNECTOR PIN NUMBERS CLEAR COM APPLICATION NOTE IF A CALL ENABLE INHIBIT SWITCH IS NOT USED A JUMPER MUST BE INSTALLED TO ENABLE CALL SIGNALING THE JUMPER IS NOT REQUIRED FOR ANY OTHER APPLICATION 10 Ohm PIN 4 ...

Страница 14: ...to generate and receive a 20kHz signal superimposed on the audio as follows Balanced Audio Configuration Pin1 No connection Pin 2 Balanced 20 kHz Input Output Pin 3 Balanced 20 kHz Input Output SSA 424 Signal Specifications for balanced configu ration SSA 424 Receive 20kHz 100 Hz 100mV p p SSA 424 Send 20 kHz 800 Hz 1V p p Unbalanced Configuration 1 Pin 1 20 kHz Common Pin 2 20 kHz Input Output Pi...

Страница 15: ...gnment for any key that is assigned to talk to the SSA 424 However this will cause the call lights to flash on the 2 wire line during the entire conversation Another solution is to assign a dedicated key as a UPL resource key which you could name CALL Then for each key that talks to an SSA 424 hybrid create a UPL statement that will activate assert the appropriate GPI whenever the call key AND the...

Страница 16: ... s n i g e b n o i t a s r e v n o c r e t f a s d n o c e s 0 6 l i t n u e d o m x e l p u d l l u f n i s y a t S e n i l e r i w s i h T s e s a e c n o i t a s r e v n o c r e t f a s d n o c e s 0 9 f o s d o i d r e p g n i r u d t e i u q e n i l e h t p e e k o t s p l e h l a r u t a n g n i t t i m r e p e l i h w n o i t a s r e v n o c o n s i s i h T g n i k l a t e r a e l p o e p n...

Страница 17: ... completes the adjustment 4 4 CALL SIGNAL OPTION CARD INSTALLATION Use these instructions to install a Call Signal Option Card in an SSA 424 that was originally ordered without it 1 Disassemble the SSA 424 as previously de scribed 2 Assemble the standoffs to the circuit board using the supplied screws and lockwashers 3 Connect the supplied power cable from J8 on the option card to J303 on the main...

Страница 18: ......

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