Adc EDU-409 Manuale Utente Scaricare il pdf (Pagina 27)

150-409-115-05, Issue 5 Technical Specifications

EDU-409 List 1 January 26, 2000 21

TECHNICAL SPECIFICATIONS

HDSL

Line Code 1040 kbps, 2B1Q full duplex

Output +13 dBm

Line Impedance 135

Ω

Resistive Signature Input/Output: 25 Ω (maximum)

Line Output DC: 25 Ω (maximum)

Start-up Time (per span) 15 seconds (typical), 30 seconds

(maximum)

Line Clock Rate

Internal Stratum 4 clock

Power Consumption

3.0 W (nominal), 3.2 W (maximum)

Maximum Provisioning Loss

35 dB @ 260 kHz, 135 Ω

Wander and Jitter

Nominal - The absence of an HDSL framer from the EDU-409 List 1

reduces the Doubler Unit’s effect on a circuit’s overall wander and jitter to

second order insignificance when compared to the wander and jitter of

other circuit modules.

Latency

80 microseconds (maximum either direction)

Mounting

Single 239 T1 Mechanics slot

Electrical Protection

Secondary surge and power cross protection on all HDSL ports

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 33 34

Nessun commento

Adc EDU-409 Manuale Utente Pagina 27