專線式類比數據機

T-336系列MODEM,是屬於高性能,同步/非同步, 全雙工/半雙工,多標準的MODEM,可工作於兩線撥號線路及兩線/四線式專線電路。 T-336系列除了撥號上網的安全檢查,還提供了自動回檔和租用線路的安全檢查。 TRS16機架最多可容納16數據機板卡,包含16個埠,控制單元,以及單或雙冗餘電源單元。果一個電源失效了,另外一個電源是能夠提供整個機架供電的。

報價  型錄

  • 特色

    • 完全相容ITU-T V.34+/ V.34/ V.32bis/ V.32/ V. 22bis/ V.22/ V.23/ V.21/ V.24/ V.28/ V.25bis/ V.54/ V.52/ V. 42/ V.42bis/ V.14/ V.13/ V.8 and Bell 212A/103
    • 19吋機架最多可容納16數據機板卡熱插拔,和設定檔複製功能
    • 數據流通量高達115200bps
    • V.13半雙工模擬載波
    • MNP4,V.42糾錯
    • MNP5 ,V.42bis 資料壓縮
    • 擴展AT和ITU-T V.25bis命令集
    • 專線撥號備份和手動或自動模式恢復
    • 自動升降速功能
    • 通過輔助通道進行遠端配置
    • 前面板鎖定和密碼保護
    • 密碼及回撥安全
    • 診斷功能:
    • 類比環回,數位環回,和遠端、數字環回; 使用測試信號511

    • 自動或手動撥號/接聽
    • 通過前面板按鍵和LCD作配置
    • 前面板按鍵重定功能
    • G3傳真發送/接收,相容EIA-578一級傳真命令(可選)
  • 規格

    Compatibility
    • V.34+: 33.6/31.2 Kbps SM (4D TCM)
    • V.34: 28.8/26.4/24/21.6/19.2/16.8/14.4/12/9.6/7.2/4.8/2.4 Kbps SM(4D TCM)
    • V.32bis: 14400/12000/7200 bps TCM
    • V.32: 9600 bps TCM, 9600/4800 bps QAM
    • V.26bis: 2400/1200 bps DPSK
    • V.22bis: 2400 bps QAM, 1200 bps BPSK
    • V.22/Bell 212A: 1200 bps DPSK
    • V.23: 1200/75, 600/75 bps FSK
    • V.21/Bell 103: 300 bps FSK
    Data Format
    • Synchronous or Asynchronous
    • Total bit length: 8, 9, 10, 11
    Data Speed
    • Asynchronous-

    75/300/600/1200/2400/4800/7200/12000/14400/16800/19200/21600/
    24000/26400/28800/31200/33600/38400/57600/76800/115200 bps

    • Synchronous-

    1200/2400/4800/7200/9600/12000/14400/16800/19200/21600/
    24000/26400/28800/31200/33600 bps

    • Total bit length : 8, 9, 10, 11 bits
    • Parity bit : odd, even, none
    • Stop bit : 1, 1.5, 2 bits
    Line Interface
    • Cx/Nx: RJ-11 for dial-up, JM8 (like RJ45) for leased line
    • NDx: 6-pin Terminal Block or 50-pin Centronic
    DTE Interface
    • EIA RS-232C, ITU-T V.24/V.28
    • Line Requirement
    • Dial-up line, 2/4-wire leased line
    • Transmit Level
    • Dial-up line: 0 to -15 dBm; Leased line: 0 to -31 dBm
    • Receive Dynamic Range
    • -4 to -43 / 0 to -33 dBm
    • Equalization
    • Automatic adaptive EQ
    • Call Progress Monitoring
    • Dial tone, Ring, Ring-back, Busy and backup dial
    • Dialing Command and Type
    • Extended AT and V.25bis using Tone/Pulse/Mixed
    • Clock Source
    • Internal/External/Loopback
    • Flow Control
    • RTS/CTS, XON/XOFF, CTS only
    • Diagnostics
    Test Features
    • V.54/V.52 , LAL/DL/RDL
    • Test Patterns – 511
    Line Status Monitoring
    • Tx level, Rx level, S/N ratio, EQM value, delay, phase jitter, freq. offset, far-end freq. offset, far-end echo, DTE format, retrain count, Tx baud rate, Rx baud rate, Tx carrier, Rx carrier, Tx speed, Rx speed, Tx power back-off level, Interface lead monitoring
    Power Requirement
    • Input
    • AC: 90 ~ 265 V, Auto-range, 47 ~ 63 Hz
    • DC: -36 ~ -72 V (optional)
    • Dual redundant power unit for rack (optional)
    Power Consumption
    • < 5W
    Environment Temperature
    • Operating Temperature : 0 °C ~ 50 °C
    • Storage Temperature : -25 °C ~ 70 °C
    Humidity
    • Up to 95% non-condensing
    Certification
    • CE LVD, FCC
  • 應用

    應用