Multi-Tech MultiModem ISIHI-2S, Manual

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14 MultiModemISI Hybrid Series, ISIHI-2S
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, and X.75 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 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