ViewStation User Guide 196 | Polycom specification

Appendix C

V.35 Technical Information

State

ViewStation Signals

Network Equipment Signals

9	DPR = 0

10	If not the last digit go to state 4; otherwise
	continue.

11		Call connects on network

12		DSR = 1 AND/OR DCD = 1
		(AND/OR DSR = 1 <note 1>)

13	RTS = 1<note 2>

14	DATA FLOW STARTS	DATA FLOW STARTS

	User Hang-up	Far End Hang-up

15	RTS = 0 <note 2>	DSR= 1 to 0, OR DCD= 1 to 0
	DTR = 0 <note 3>	A falling edge on DSR or DCD is interpreted by
	CRQ = 0	A falling edge on DSR or DCD is interpreted by
	CRQ = 0	the VS4000 as a hang-up.
	All signals go low if Far End or User hang-up is	the VS4000 as a hang-up.
	All signals go low if Far End or User hang-up is
	detected.

	IDLE	IDLE
	DTR = 0 <note 3>	RI = 0
	RTS = 0 <note 2>	DLO = 0
	CRQ = 0	ACR = 0
		DSR = 0

Note 1: DSR is used as a ring-in indicate if DSR is set to ANSWER in the V.35 Advanced Configuration screen.

Note 2: RTS does not act as shown but act as a resync-pulse if

Security/Crypto-Resync is set to ON.

Note 3: DTR does not act as shown but remains at a high voltage is

DTR is set to ON in the V.35 Advanced Configuration screen.

ViewStation User Guide

196

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ViewStation specifications

The Polycom ViewStation is a robust video conferencing solution tailored for business environments, delivering high-quality audio and visual communications. Recognized for its pioneering role in bridging distances, the ViewStation series has established itself as a reliable choice for companies seeking effective collaboration tools.

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Polycom manual ViewStation User Guide 196

Models: ViewStation

State

Security/Crypto-Resync is set to ON.

ViewStation User Guide

196

ViewStation specifications