Specification
Line Coding
| 16 TC-PAM, 32 TC-PAM,128 TC-PAM is selectable |
| Line Rate | 192K bps ~ 57000 Kbps for one DSL loop. |
| Protection | ITU-T K.20, K.21 and IEC60950 |
| Standard | ITU-T G.991.2, Annex A (Default), Annex B |
| Impedance | 135ohm +/- 5 % |
| Connector | RJ45 x1 |
System Timing
Payload timing
(1) Internal clock, accuracy +/- 30ppm
(2) T1/E1 input clock
(3) Data port DTE clock [TT]
(4) Line Recovered clock
SDHSL timing
(1) Plesiochronous, local oscillator: 22.1184MHz +/- 32ppm
(2) Synchronous
(3) Hybrid
Data interfaces
LAN Interface
Line Rate: 2048KHz +/- 50 ppm
Line Code: HDB3
Framing: PCM31, PCM30, PCM31C, PCM30C and unframed
Data Rate: 64 Kbps to 2048K bps [NX64Kbps, N=1 - 32]
Operation: Full E1 or fractional E1
Pulse shape: Meet ITU-T G.703
Impedance: balanced 120Ω +/- 5% resistive or unbalanced 75Ω +/-5% resistive
Connector: 120ohm RJ45 x 1
E1 Interface
Interface: V.35
Data Rate: 64 Kbps to 4608 Kbps
Connector: DB25F x 1 (DB25 to MR34 adaptation cable provided)
V.35 Data Port Interface
Interface: 64K Co-directional
Connector: RJ-45 x 1
G.703 Co-directional Data Interface
Interface: 64K Co-directional
Connector: RJ-45 x 1
Maintenance
Loopbacks: Local and remote AL/DL loopbacks via front panel loopback buttons, VT-100 menu screen or in-band loopback codes
DSL PRBS BER testing
SNR, LOSW, ES, SES and UAS for DSL loops
Supports G.821 and G.826 error performance statistics for E1 interfaces
Management Interface
Optional LCD display: Quick mode configuration, diagnostics and monitoring
Optional SNMP/Telnet： Telnet access and an optional SNMP agent support. Web management is optional
Jitter and Wander
Meets G.823 and G.824 jitter and wander requirements for E1 interface
Power input
DC: -36 ~ -72 VDC
AC: 90 ~ 260V AC (47 ~ 63 Hz)
AC and/or DC power source can be field selectable. The AC and DC power inputs can be served as power protection mutually.
Dimensions
Enclosure:234.4mm x 155.5mm x 44.2 mm (WxLxH)
Environment
Temperature: 0 ~ 60 degree C
Humidity: Up to 95% non-condensing
CE Marking
EN 55022 and 55024 compliant
Safety: EN60950 compliant
Surge immunity: L1:L2 1KV, L1/L2:PE 2KV
Lighting Surge: 4K
