The modern Teledex DIA653091 Diamond is a part of the Diamond Series Analog Corded Phones with 1 Line, Basic, MW in color Black. 

Features:

• Single and Two-Line Telephone 
• Integrated Speakerphone – Hands-free conversations* 
• Guest Service Buttons – Up to ten (10) for one-touch access to hotel services 
• ADA Handset Volume Boost – Three (3) distinct levels, compliant with HAC/VC and FCC requirements
• Raised Red Message-Waiting Lens – Easily seen from any area in the guestroom
• Message-Waiting Circuitry – Message Waiting will activate on high or low voltage; Guarantees operation of up to 7 phones for suite applications, with an extra-bright message-waiting lamp
• Mute Key – Deactivates microphone during speakerphone and handset calls; a red LED indicates activation**
• Speaker On/Off Key – With red LED for easy speakerphone activation*
• Electronic 3-way Call Conference Function with LED indicator for convenient multi-line conversations***
• Hold Key – Places the active line on hold so the second line can be used or a conference call initiated***
• Hold Release Detection Circuit – Releases calls on hold when line is accessed by any telephone 
• Redial Key – Automatically redials the last number dialed, with timed deletion of the last number after 30 minutes for enhanced hospitality security (most models) 
• Flash Key (most models)
• Textured Finish – Provides durable resistance against scratches and smudges 
• Full-Length Paper Faceplate – Allows user-friendly customization 
• Desk or Wall Mountable – Provides placement flexibility
• Hidden Programming Key – Eliminates arbitrary reprogramming of autodial keys
• Data Port – Easy access for laptop modem or fax machine use
• Case: 10
• *Speakerphone models only
• **Not available in single-line basic or lobby phone
• ***Two-line only

pecifications:

• Standard Color: Ash and Black
• FCC Specifications: Meet or exceeds Part 15, Subpart J, Class A, Part 68
• Safety Standard: ETL and CE
• Operating Voltage: 24 to 56 VDC Non-Polarity
• Signaling: Standard 12 tone
• DTMF no Pulse/Rotary dialing
• Flash Timing: 100 mS to 1000mS
• Ringer Equivalence: Z
• Cabling: 2 pair minimum
• Registered Connector: USOC RJ-14
• Handset: Hearing Aid compatible
• Standard “K” type
• Handset Cord: 10-foot coil cord
• Line Cord: 12-foot, 2 pair
• Weight: 1.85 lbs. (0.83kg)
• Packaging: 10 per carton
• Faceplate Size: 3.13” (w) x 8.75” (l)

Dimensions: 6.25” (w) x 9.5” (l) x 3.75” (d) (with handset)

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