Motorola SVG2500 manual 135

16 SPECIFICATIONS

GENERAL

UPSTREAM

Modulation

Maximum Channel Rate Bandwidth

Symbol Rates Operating Level Range

A-TDMA

S-CDMA

Output Impedance

Frequency Range

TELEPHONY Line Type

Hook State Signaling

Maximum Line Length (one-way)

DTMF Level Sensitivity Range

Speech Coding

Line Termination Loss Plan

Receive

Transmit

Loss Plan Tolerance

Ringing Wave Form

Ringing Crest Factor

Ring Trip (maximum)

8***, 16, 32***, 64***,128*** QAM or QPSK 30 Mbps**

200 kHz, 400 kHz, 800 kHz, 1.6 MHz, 3.2 MHz, 6.4 MHz*** 160, 320, 640, 1280, 2560, 5120*** ksym/s

8 to 54 dBmV (32, 64 QAM),

8 to 55 dBmV (8, 16 QAM) ,

8 to 58 dBmV (QPSK)

8 to 53 dBmV (all modulations)

75 Ω (nominal)

5 to 42 MHz (edge to edge)

2-wire Loop start

500 ft (AWG 26/0.4 mm @ 65 °C)

0 and –20 dBm

64 kbps PCM, μ-law or A-law companding; support for G.711, G.726, G.728, G.729, G.723.1, iLBC, and BV16/32 codecs

Configurable based on market needs

(D/A) 4 dB

(A/D) 2 dB (configurable based on market needs)

±1 dB; 60/50 Hz loss >20 dB (one-way) (referenced to off-hook loss at 1,004 Hz)

Quasi-trapezoidal 1.2 <CF <1.6

200 mS with 300 W termination

**Actual data throughput will be less due to physical layer overhead (error correction coding, burst preamble, and guard interval).

***With A-TDMA or S-CDMA enabled Cable Modem Termination System (CMTS).

135