User`s manual

MP-1xx H.323 User’s Manual 12. Selected Technical Specifications
Version 4.4 189 March 2005
12 Selected Technical Specifications
Table 12-1: MP-1xx Selected Technical Specifications (continues on pages 189 to 191)
MP-1xx/FXS Functionality
Short or Long Haul:
MP-10x/FXS: up to 15k feet (4,600 m) using 24 AWG line cord.
up to 24k feet (7,300 m) using 26 AWG line cord.
MP-124/FXS: up to 10k feet (3,000 m) using 24 AWG line cord.
Note: The lines were tested under the following conditions: ring voltage greater than 30
Vrms, offhook loop current greater than 20 mA.
MP-104 and MP-108 (special order option, using different assembly), includes lightning
and high voltage protection for outdoor operation.
Caller ID generation: Bellcore GR-30-CORE Type 1 using Bell 202 FSK modulation,
ETSI Type 1, NTT, Denmark, India, Sweden, Brazil, British and DTMF ETSI CID (ETS
300-659-1).
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 offhook 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 24k feet (7,300 m) 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
and MP-124)
Caller ID detection: Bellcore GR-30-CORE Type 1 using Bell 202 FSK modulation, ETSI
Type 1, NTT, Denmark, India, Sweden, Brazil, British and DTMF ETSI CID (ETS 300-
659-1).
Voice & Tone Characteristics
Voice Compression
G.711 PCM at 64 kbps µ-law / A-law (10, 20, 30, 40, 50, 60, 80, 100, 120 msec)
G.723.1 MP-MLQ at 5.3 or 6.3 kbps (30, 60, 90, 120, 150 msec)
G.726 at 16 to 40 kbps ADPCM (10, 20, 30, 40, 50, 60, 80, 100, 120 msec)
G.729 CS-ACELP 8 Kbps Annex A / B (10, 20, 30, 40, 50, 60, 80, 100, 120 msec)
Silence Suppression
G.723.1 Annex A
G.729 Annex B
PCM and ADPCM - Standard Silence Descriptor (SID) with Proprietary Voice Activity
Detection (VAD) and Comfort Noise Generation (CNG).
Packet Loss Concealment
G.711 appendix 1
G.723.1
G.729 a/b
Echo Canceler
G.165 and G.168 2000, 25 msec with extension to 40 msec
DTMF Transport (in-band)
Mute, transfer in RTP payload or relay in compliance with RFC 2833
DTMF Detection and
Generation
Dynamic range 0 to -25 dBm, compliant with TIA 464B and Bellcore TR-NWT-000506.
Call Progress Tone
Detection and Generation
16 tones: single tone or dual tones, programmable frequency & amplitude; 15
frequencies in the range 300 to 1980 Hz, 1 or 2 cadences per tone, up to 2 sets of
ON/OFF periods.
Output Gain Control
Programmable -32 dB to +31 dB in steps of 1 dB
Input Gain Control
Programmable -32 dB to +31 dB in steps of 1 dB