Multi-Tech ISIHI-2S Specifikace stáhnout pdf (Strana 14)

14 MultiModemISI Hybrid Series, ISIHI-2S/2U

Chapter 1—Introduction

Fax Carrier Frequencies

V.21CH2 (half duplex)

1650 Hz mark, 1850 Hz space for transmit originate

1650 Hz mark, 1850 Hz space for transmit answer

V.27ter: 1800 Hz originate/answer

V.29 QAM: 1700 Hz originate/answer

V.17 TCM: 1800 Hz originate/answer

Transmit Level -13 dBm

Frequency Stability +0.01%

Receiver Sensitivity -43 dBm under worst case conditions

AGC Dynamic Range 43 dB

Interface TIA / EIA RS-232/ITU-T V.24/V.28

Diagnostics Power-on self-test, local analog loop, local digital loop, remote

digital loop

Firmware Upgrades Flash memory, available on Multi-Techs BBS and website

Terminal Adapter

Compatibility AT&T 5ESS, NT DMS-100, NTT INSnet64, US National

ISDN-1, NET 3

Network Interface 4-wire S/T interface

Protocols V.120, PPP compatible

Data Rates 300, 1.2K, 2.4K, 4.8K, 9.6K, 19.2K, 38.4K, 56K, 57.6K, 64K,

115.2K , 230.4K, and 460.8 Kbps

Async Data Format 7 bit data + odd/even parity + 1 start/stop. 36 baud rate/parity

settings via S-Register. Baud rates of 460.8 Kbps with even,

space, mark, odd, or no parity.

Data Connections Two ISDN B-channels, One ISDN D-channel

Command Interface AT commands, S-Registers, Result Codes, ConfigMenu

firmware configuration utility, Windows 95/NT software

configuration utility, Windows 95 Dial-Up Networking (DUN)

Hardware Connectors ISDN: RJ-45 female receptacle - 4 wire S/T

Basic Rate Interface

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 187 188

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Multi-Tech ISIHI-2S Specifikace Strana 14