Multiline 56K Dualmode modem Model : 7122

Multiline 56K Dualmode

• High-density multimodem device with up to eight independent, user-installable, hot-swappable V.90 or V.34 voice/faxmodem modules.
  
• Uncompressed data speeds up to 56,000 bps.
  
• Voice capable with DTMF and call progress decoding.
• Group 3, Class 1 and Class 2 (33.6 only) fax.
• Flash memory.
• Security Lock Option—Jumpers prevent a user from changing any of the module’s configuration.
• 3 LED status indicators per module, reporting Power/Busy, Data Carrier Detect, and Transmit/Receive; separate reset switch per module.

• Phone Directory (four 33-digit numbers stored in nonvolatile memory) for each module.
• ZoomGuard Plus?lightning and surge protection.
• Caller ID ready.
• Distinctive Ring support.
• Speed buffering/flow control.
• Inactivity Timer option causes disconnect if no data for programmable time (1?2 minutes).
• Rack-mount option–Two MultiLine units fit side-by-side in 2u x 19?rack.
• 100% AT Command Set support, with Extended MNP 2?, V.42, and V.42bis Command Set for extensive communication software compatibility.

Operation
• Full duplex over two-wire switched lines. Automatic or manual Originate and Answer modes Equalization
• Automatic Adaptive Equalization and Gain Control; line quality monitor and retrain capability.
  Dialing Capability
• DTMF (Touchtone) and Pulse dial, Programmable DTMF tone duration. Call Progress Tone Decoding —busy, ring, and dialtone. Non-Volatile Storage.
• 256 bytes per module Audio Monitor
• One high-efficiency transducer for all lines Terminal Interface
• CCITT V.24 (EIA-232-D) compatible; female RJ-45 connectors

Configuration
• Four or eight faxmodem modules standard; supports up to 8 plug-in faxmodem modules
  Dimensions
• 7.75 in. W by 10.73 in. L by 1.79 in. H
  Power Supply
• Single power connector with in-line switching power supply; 25W input typical maximum with 8 modules active; +5V, -12VDC and +12VDC output.
  Weight
• 3.8 lbs.