User`s manual

MP-1xx/H.323 User’s Manual 9. Specifications
Version 4.2 Beta 105 June 2003
9 Specifications
Note 1: The MP-124 24-port, MP-108 8-port, MP-104 4-port and MP-102 2-port Media Gateways have
similar functionality except for the number of channels (the MP-124 and MP-102 support only
FXS), and all versions are referred to collectively in these release notes as the MP-1xx.
Note 2: MP-10x refers to MP-108 8-port, MP-104 4-port and MP-102 2-port Gateways.
Note 3: MP-1xx/FXS refers only to the MP-124/FXS, MP-108/FXS, MP-104/FXS and MP-102/FXS
Gateways.
Note 4: MP-10x/FXO refers only to MP-108/FXO and MP-104/FXO Gateways.
9.1 MP-1xx Specifications
Table 9-1: MP-1xx Functional Specifications (continues on pages 105 to 107)
MP-1xx FXS Functionality
Short or Long Haul up to 3,000 m (10,000 ft) using 24 AWG line cord.
Includes lightning and high voltage protection for outdoor operation.
Caller ID generation: Bellcore GR-30-CORE Type 1 using Bell 202 FSK modulation
or ETSI Type 1 (between first and second rings).
Programmable Line Characteristics: Battery feed, line current, hook thresholds, AC
impedance matching, hybrid balance, Tx & Rx frequency response, Tx & Rx Gains.
Programmable ringing signal. Up to three cadences and frequency 15 to 200 Hz.
Drive up to 4 phones per port (total 32 phones) simultaneously in Off-hook and Ring
states.
MP-124 REN = 2
MP-10x REN = 5
Over-temperature protection for abnormal situations as shorted lines.
FXS Capabilities
Loop-backs for testing and maintenance.
MP-10x FXO Functionality
Short or Long Haul up to 7,000 m (24,000 ft) using 24 AWG line cord.
Includes lightning and high voltage protection for outdoor operation.
Programmable Line Characteristics: AC impedance matching, hybrid balance, Tx &
Rx frequency response, Tx & Rx Gains, ring detection threshold, DC characteristics.
FXO Capabilities
(does not apply to MP-102)
Caller ID detection: Bellcore GR-30-CORE Type 1 using Bell 202 FSK modulation or
ETSI Type 1 (between first and second rings).
Voice & Tone Characteristics
Voice Compression
G.711 PCM at 64 kbps µ-law/A-law
G.723.1 MP-MLQ at 5.3 or 6.3 kbps
G.726 at 16 to 40 kbps ADPCM and E-ADPCM
G.729A CS-ACELP at 8 kbps
NetCoder at 6.4 to 8.8 kbps, 800-bit increments (proprietary coder)
Silence Suppression
G.723.1 Annex A
G.729 Annex B
PCM and ADPCM - Proprietary Voice Activity Detection (VAD) and Comfort Noise
Generation (CNG)
NetCoder