Noise is heard from the station | ViewSonic EXES-2000 instruction

No	Noise encountered during
	conversation?
	Yes
	Check power supply of the
	exchange
	Check wiring	between the
	exchange and	external
	equipment (BGM, timer)

Check wiring between EX-200 and FC-210

Replace CC

(2)Noise is heard from the station

Yes

All	stations?
	No
Noise encountered during			No
conversation?
	Yes
Wired in a proper		pair?	No
Wired in a proper		pair?
	Yes
Cable contains any computers			Yes
data lines?
	No
Replace	station	LM

(3) No conversation can be heard

No

All stations?

Yes

Replace CC

(4)	Paging is impossible.

No

Did you make proper No.24 programming

Yes

Make No. 24 programming

Check wiring between the exchange and station

Wire in a proper pair

Separate from computers data lines

Replace station

LM

Replace LM CC

(5) Other troubles

Additional functions cannot be operated.

Wrong wiring. Wrong DIP switch settings. Error in No. 24 programming.

Selectable functions cannot be operated.

Error in No. 24 programming.

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ViewSonic EXES-2000 manual Noise is heard from the station, Replace station

Contents

EX-200 Before Reading this Hand Book Contents Examples of system configuration Description and featuresPower BGM distribution up to 3 channels Power transformer unit PU-200 Remote control unit RC-20Central control unit CC-20 Line modem unit LM-20 Selection of the place to install Installing and adjusting proceduresInstallation of equipment Dimensions Installation of the exchange Installing FC-210 extension cabinet Installation of PU-200 power supply unit For plate For case Switch boxWall Base Case R51 or R59 390k ohms on the LM unit corresponding to Cable installationExchange Indoor ExchangeterminalStations board Addition of LM unit Connection of equipmentEstablishment of the LM unit number Mounting LM unit For the system with up to 16 stations LM unit wiring Mounting other option units than the Bl unit Connection of station plug to jackMounting option unit Bl unit BGM equipment Alarm tone, etcBl unit connection PTT.C PTT control RC unit connectionDoor locking Radio Station Equipment Serial data output PC unit connectionMaximum contact capacity 125 VA 125V AC or 30V DC 1A Tl unit connection SM unit number setting Connection for speaker station Service distance Voltage selector Connection of power source Initial set-up and programming No programming Procedures of initial set-up and No programming Door remote control 2 circuits PA paging & power remote/3-channel general purpose controlTransfer Secretary transfer Hurry up EX-610/620/630 Registration of each function Highest Executive Priority Touch Continuous Calling ToneWill be heard Times Be sure to depress Key Steadily Stations Allowed Access to Paging Allowed Station No Stations Allowed Access to Emergency Call Will be heard Handset Station Registration Times Be sure to depress Key Steadily Have this Function Allowed Stations Allowed Access to Speech Message Door Substation Registration Release finished? Secretary Transfer MASTER/SUB Relationship Registration of Stations to Refuse ALL-CALL Paging Dial Will be heard Times Registration of Station to Refuse Zone 1 Paging Repeat twice Registration of next allowed station Registration of Stations to Refuse Zone 2 Paging Registration of Stations to Refuse Zone 3 Paging Step Speech and Function Tests Speech Test Performance TestMethod of Speech test Hands-free conversation Handset conversation Trouble-shooting at the time of installation Replace station Noise is heard from the station Door Substation Function Table for Stations Station Data Table Station Data Table 3 0 6 1 3 5 6 C