Siemens 500 Option Adapters and Ports, Y cable MW8/8, Floating contact MW6/6 Headset MW8/8, RJ45

Option Adapters and Ports

optiPoint 500 acoustic adapter

●Ringing, alerting, and key tones are switched to the basic speaker (and not to the external speaker port).

●You can use the volume keys on the telephone to adjust the volume level of both the inter- nal and external speakers.

You can also use the volume control on the external amplifier to adjust the volume of the external speaker.

Y cable MW8/8

for connecting speaker and mi- crophone

Floating contact

(MW6/6)

Headset MW8/8

1 2 3 4 5 6 7 8

RJ45

Pin assignments, Desk Microphone and External Speaker: MW 8/8

	Pin 1	Pin 2	Pin 3		Pin 4	Pin 5	Pin 6	Pin 7	Pin 8
	+U	GND	NF		Sens	LS_SENS	LSP	NC	DGND
	External Speaker:
	Internal resistance:			0 ohms; 10 ∝F
	Level (with PCM -20dBm):			-4.8 dBm (at volume level 8; 0.775 V = 0 dBm)
	Sense lead to GND:			Int. speaker deactivated, active for ringer only
P31003-E8400-A100-3-7620									5-5
Service Manual