Enables Norstar Door-phone the ability to unlock electric doors simply by pressing an OPEN soft-key display button or a dial pad digit on their Norstar set. DOC enables electronic devices (e.g. alarm systems, surveillance cameras, lights, etc.) to be controlled through contact closure (third party supplied). Each Doorphone can communicate with up to 12 Door Opening Controller (s)

	Allows two-way conversation between Norstar phone and Doorphone
	Available in brass or stainless steel, waterproof faceplates
	Has optional Door Opening Controller (DOC), controlled by pressing softkey
	Installed and programmed like any Norstar phone
	Up to four Doorphones accommodated on a Norstar system
	Wall mounted

	Allows two-way conversation between Norstar phone and Doorphone
	Available in brass or stainless steel, waterproof faceplates
	Has optional Door Opening Controller (DOC), controlled by pressing softkey
	Installed and programmed like any Norstar phone
	Up to four Doorphones accommodated on a Norstar system

	360-Degree Voice Coverage
	Digitally Tuned Speaker
	Full Duplex Technology
	Plugs directly into any Norstar telephone jack
	Access to Norstar and BCM Features

Power supply for M5000 (Centrex) Series features power to all M5000 series phones. Input: 120V, 60Hz, 16W and output: 16VAC, 375mA.

	M5008 is loop powered, you can be sure your display for Feature/Line Indicators will always work, even during power outages.
	Larger buttons on the keypad make dialing easy and quick.
	8 line/feature keys let you configure the M5008 to suit your requirements.
	The M5008 includes 8 programmable line/feature keys as well as conveniently placed, color-coded Hold and Release keys for improved efficiency and better call processing
	The built-in speaker permits on-hook dialing and makes it easy to access voice mail.
	The Integrated Wall Mount Kit gives you everything you need to install the M5008 on the wall if you wish.

The M5009 Meridian Centrex phone features 9 programmable line or feature keys supports Multiple Appearance Directory Numbers (MADNs). In addition, the M5009 is compatible with 36-button add-on module. Compatible with Meridian Digital Centrex and Meridian SL-100 Integrated Services Networks

The M5112 Centrex Phone features 10 line buttons, which can be programmed as lines or features. Also features hold, mute, and release keys; 12 LCD line status indicators; display; volume control; and handsfree speakerphone.

The Meridian M518 Addon Module adds 18-buttons/lines with LCD display to your telephone system. It's compatible with the M5312 telephone and up to 2 add-ons can be supported per phone. Up to 3 M518's may be used on a telephone or if you like 1 M518 and M536 can be used together.

	The M5208 is MADN-capable, letting you program your set for appearances of other users directory numbers. Call coverage is simple.
	The 2-line X 24-character liquid crystal display can tell you who is calling and whether the call was transferred or forwarded. Armed with such information, you can answer personally and appropriately.
	Visual ringing indication alerts you to an incoming call with a flashing lamp. Even if you are on your primary line, you will not miss important calls.
	The M5208 includes 8 programmable line/feature keys as well as conveniently placed, color-coded Hold and Release keys for improved efficiency and better call processing.
	The built-in speaker permits on-hook dialing and makes it easy to access voice mail.
	The M5208 is loop powered. Because local power is not required, your set will retain display capabilities even during a power outage.

	Visual feedback of digits dialed when calling a directory number (DN) or accessing features
	Display of redirected DNs when calling a DN that has a feature such as Call Forward activated
	lay of incoming DN, trunk, or attendant identification
	Display of an incoming call's intended destination when the call is redirected by a feature such as Call Forward

	Features dual headset capability.
	2 line by 24-character adjustable LCD display.
	handset mute key.
	11 programmable feature keys and is compatible with the M518 and M536 add-on modules.

	Unique functionality, making it the perfect solution for call centers or other high-volume calling applications.
	Deliver call information such as call progress, queue status, and calling name and number
	14 programmable line/feature keys · Maximum of two M522

	Integrated liquid crystal display (LCD) window· Ten programmable line / feature keys with LCD indicators showing line / feature status.
	Compatible with Meridian M536 and M518 add-on modules for line / feature expansion. Hold, release and volume control keys.

	Handsfree operation engage in a conference call while simultaneously performing others tasks. During the conference call, you can use the Mute key to confer confidentially with another person in the room.
	13 programmable line/feature keys. The Program key lets you further customize local features on your set, such as time and date.
	Provides one-button access to the MDC features you use most, including Speed Call. The built-in Call Timer makes it easy to monitor calls. And the Speaker allows convenient on-hook dialing and access to voice mail
	The 2-line X 24-character liquid crystal display ensures access to call information, including date and time
	Requires 24VDC station auxiliary power supply, use CAPTRANS when closet power is not provided