Model 2977/B4
DialFire Server-Based, Enterprise RAS, BRI RAS, & Fax
This multi-function ISDN communication board provides connections for four BRI lines allowing up to eight simultaneous digital or analog remote access connections.
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  • Dynamic analog/digital/fax support. On-board DSPs provide advanced modem & fax support and maximize the efficiency of each communication channel
  • Multi-function ISDN RAS. 4 BRI interfaces for up to 8 chassis
  • Advanced DSP Technology. Supports V.90, K56Flex, ISDN, and Advanced FAX applications
  • Wide OS and third-party application support. The Model 2977 DialFire RAS integrates with and take advantage of the inherent communications capabilities built into your current Microsoft, and Linux server operating environments
    The following operating systems; Novell Netware, SCO OpenServer5, and SCO UnixWare, are not supported by Patton's RAS Engineering & Technical Support Teams although legacy Digi International Driver's are available from Patton's software Upgrade Site at upgrades.patton.com. For additional information please contact marketing@patton.com.
  • Universal server compliance. The Model 2977 DialFire RAS operates within the PCI 2.1 mechanical and electrical specifications, support 3.3 or 5-volt PCI servers, and share common software architecture

The Model 2977 DialFire BRI RAS is the ultimate WAN adapter card for use with BRI lines. It is designed to work in a standard PCI 2.1 slot (5.0 or 3.3 volts) and can terminate four BRI communication lines. Calls can be originated and answered on all 8 channels (2 each for all 4 BRI connections). All channels can handle modem calls (up to 56 kbps—V.90 and K56flex) and B channel calls (64 kbps).

The Patton Model 2977 DialFire Family of DSP (Digital Signal Processor) based RAS (Remote Access Server) concentrator adapters provides the widest compatibility and most powerful performance available in a PCI slot. For demanding, server-based applications including modem-pooling, remote access, advanced fax, World Wide Web and branch office internetworking, you won't find a better product line than the Patton 2977 DialFire RAS.


Finding a remote access solution that meets the needs of a small office environment is often a challenge. With Patton's 2977/B4 RAS the solution is easy! It's as simple as adding an adapter to your favorite PC server, installing the device driver and configuring your remote access ports. The users can dial-out of your server while other users are dialing-in. The Patton 2977/B4 is a digital adapter that provides connections to four ISDN BRI (Basic Rate Interface) lines allowing up to eight simultaneous digital or analog connections.
Model
Modem Data Modes: V.90, K56Flex, V.34, V.34bis, V.32bis, V.32, V.24bis, V.23, V.22bis, V.22, V.21, Bell 212a, Bell 103, TIA TSB37-A, TIA TSB38
Fax Modes: Group 3, V.17, V.29, V.27,V.21 Channel 2
FAX Command Set: Group 3 FAX Class 1, Group 3 FAX Class 2, Group 3 FAX Class 2.0, Class 2.0 Error Correction, All optional 2.0 Data format conversions are supported including: Normal Image, Fine Image, 1D Image Conversion, 2D—MR Image conversion, Copy Quality Checking & Receiving Thresholds, Adaptive Answering, TSI Banner, Distinctive Ring, Caller ID, and IS-101 Voice Command Set.
ISDN Specifications: Basic Rate Interface: ITU-T V.110/I.463
Compression & Error Correction: V.42bis, MNP Class2, MNP Class 4, MNP Class 5, V.42 Error Correction (LAPM & MNP)
T1/E1 Specifications: T1 Supervision Modes: Ground Start Signaling, Wink Start Signaling, Immediate Start Signaling, & Loop Start.
E1 Supervision Modes: CCS with CRC4 ITU G.704, CAS with CRC4 ITU G.704, CRCA with Remote End Block Error signaling, and R2 Signaling
Operating System Support: Microsoft > Windows 2000 Server, Windows XP, Windows NT 4.0 • Novell >Netware4.1, Netware 4.11, & Netware 5.1 • SCO> UnixWare 7 SVR5, Open-Server 5 • Linux
Compliance: FCC Part 15A, CE Mark, EMC Directive 89/336/EEC, Low-Voltage Directive 73/23/EEC
Op. Temp.: 0–50°C (32–122°F)
Humidity: 5–90% non-condensing
Air Movement: 30 CFM Forced
Altitude: 0–12,000 ft (0–3,660 m)
Dimensions: 9.21L x 4.20W in. (23.39L x 23.688W cm)
Dimensions: 3.5L X 2.1W X 0.78H in. (9.0L X 5.3W X 1.9H cm)
Certifications: Safety: USA: UL Recognized, UL 1950 • Canada: CSA Certified, CSA C22.2 No.950 • Europe: EN60950—CE Mark: Australia: AS3260—Telecom: USA: FCC Part 68 • Canada: CS03 • Europe: I-CTR4 (NET 5) • Australia: TSO38—Emission & Immunity: EN50082 Immunity, FCC Part 15, Subpart B


  • BRI Line Ordering Information
  • Channelized T1 Line Ordering Information
  • E1 R2 Line Ordering Information

    • 2977/B4/ST 4 BRI ISDN PORTS W/ST I/F (INTERNATIONAL)
    2977/B4/U 4 BRI ISDN PORTS W/U I/F (NORTH AMERICA)

    Dial-Up Modems
    Model 2192/USB USB V.92/56-kbps Dial-up Modem
    Enterprise RAS
    Model 2977 DialFire Server-Based, Enterprise T1/E1 RAS & Fax Adapter
    ISP RAS
    Model 2960/16 16-Port, V.92/V.110/V.90/ISDN, Dial-Up, Remote Access Server (RAS)
    Model 2960/24 24-Port, V.92/V.110/V.90/ISDN, Dial-Up, Remote Access Server (RAS)
    Model 2960/30 30-Port, V.92/V.110/V.90/ISDN, Dial-Up, Remote Access Server (RAS)
    Model 2960/48 48-Port, V.92/V.110/V.90/ISDN, Dial-Up, Remote Access Server (RAS)
    Model 2960/60 60-Port, V.92/V.110/V.90/ISDN, Dial-Up, Remote Access Server (RAS)
    Model 2996/120 120-Port, V.92/V.110/V.90/ISDN, Dial-Up, Remote Access Server (RAS)
    Model 2996/96 96-Port, V.92/V.110/V.90/ISDN, Dial-Up, Remote Access Server (RAS)
    Model 3120 96 or 120-port, V.92/V.110/V.90/ISDN, Dial-Up, Remote Access Server (RAS)

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