Hayes OEM 56K Internal Modem Spec. Sheet
N338
VOICE FUNCTION:
- VOICE OPERATION SPEC.
-Enhanced ADPCM compression and decompression.
-Tone detection/generation and call discrimination.
-Concurrent DTMF detection.
-Business audio mode:
Mono data using 8-bits monophonic audio data encoding at 11.025K/7200hz
-Embedded Voice Mode AT Commands Set.
-Voice Application:
Local\Remote Voice Record.
Local\Remote Voice Playback.
Full duplex speaker Phone emulation.
Data File Transfer and Recovery.
Fax Mail Remotely Accessible.
Voice Mail Box.
- SP models support full-duplex speakerphone.
-Acoustic and line echo cancellation.
-Programmable microphone AGC.
-Microphone volume selection and muting.
-Speaker volume control and muting.
-Room monitor.
-
- Simultaneous voice and data (SVD) over a single telephone line.
-Selectable operating modes (handset or half duplex speakerphone over SVD)
-Audio plus data rate of 4.8kbps in V.32bis mode (V.61)
-Audio plus data rate up to 14.4kps (ML144)
-Audio plus data rate up to 24.0kps (ML288)
FAX FUNCTION
- OPERATION SPEC.
–TRANSMISSION WAY: Half duplex
-G3 FAX MODES:V.17 (14400bps) send/receive.
V.29 (9600/7200bps) send/receive.
V.27 ter(4800/2400bps) send/receive.
V.21 Channel 2(300bps) used only for signalling.
MODULATION FORMAT:V.17 TCM at 2400 baud.
V.29 QAM at 2400 baud.
V.27 ter DPSK at 1600/1200 baud.
V.21 FSK at 300 baud.
- TRANSMIT/RECEIVE SPEC:
-CARRIER FREQUENCY:V.17 transmit carrier 1800 Hz.
V.29 transmit carrier 1700 Hz.
V.27 ter transmit carrier 1800 Hz.
V.21 transmit carrier 1650M/1850s.
- Data/Fax EIA/TIA-578 Class 1 “AT” command set
MODEM FUNCTION
1. OPERATION SPEC
-TRANSMISSION WAY: Full duplex
-DATA SPEED:K56flex internet connection
33600/31200/28800/26400/24000/21600/19200/16800/14400/9600/2400/1200/300 bps
-DATA LENGTH: 10 bits, including start, stop, parity
-MODULATION FORMAT: K56Flex internet connection
V.34 TCM at 2400/2800/3000/3200/3429 baud
VFC TCM at 2400/2800/3000/3200/3429 baud
V.32bis, 128 points TCM at 2400 baud
V.32, 32 points TCM at 2400 baud
V.22bis, 16 points QAM at 600 baud
V22 and Bell 212A, 4 points PSK at 600 baud
V21 and Bell 103, binary phase coherent FSK
2. ERROR CORECTION:V.42 and MNP 2, 3, 4
3. DATA COMPRESSION: V.42bis and MNP 5
4.ASYNCHRONOUS COMMUNICATION DATA MODE.
5.ENHANCED “AT” COMMAND SET
–TRANSMIT LEVEL: Less than –13 +/- 2dBm
-GUARD TONE: 50Hz or 1800 Hz
-ANSWER TONE: CCITT 2100Hz OR BELL 2225 Hz
-RECEIVE SENSITIVITY: -3- +/- 2dBm
-CARRIER RESPONSE LEVEL: -30 +/- 2dBm
- ASYNCHRONOUS COMMUNICATION SPECIFICATION
(1) DTE TO MODEM DATA RATE:
Up to 200, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 bps
(2)LINE DATA RATE
NORMAL MODE: 300/1200/2400/9600/14400/28800/33600/K56flex
- INTERFACE:
1)DATA INTERFACE: Parallel bus
2)LINE INTERFACE: Modular line connector, One RJ11C phone line jack.
- EMI & SAFTY DESIGN STANDARD: Compliance with FCC part 16 and part 68
- TEMPERATURE & HUMIDITY
–TEMPERATURE RANGE:
Transit: 0 Degree C to 70 Degree c.
Storage: -65 Degree C to 150 Degree C (withstand 6months of storage)
Operating: 0 Degree C to 55 Degree C
-HUMITITY: 20 – 80% (Non-Condensing Relative Humidity)
- DIALING CAPABILITY
(1) Dialing Methods: Tone / Pulse Dialing
(2) DTMS Tone
(a)Symbols: 1 2 3 4 5 6 7 8 9
# 0 * A B C D
(b)High Group: -7 +/- 2dBm
(c)Low Group: -9 +/- 2 dBm
(3)Pulse Dialing:
(a)PPS: 10 +/- 5%
(b)M/B 39 +/- 5% OR 33 +/- 5%
11. RELIABILITY TEST:
BERT for 1 bit error of 1M bits 511 data pattern.
12. FEATURES:
(1)Auto dial and auto answer.
(2)Audio monitoring at MODEM internal speaker.
(3)EEPROM support 4 telephone number sets.
13. TEST AND DIAGNOSTICS FACILITIES
-Remote digital loop and remote digital loop self test.
-Analog loop and analog loop self test
-Digital loop test
14. POWER CONSUMPTION
+5Vdc : 170mA (Max)
15. Supports PnP ISA Bus Interface Device
1