ADTRAN 220 DDM, 3192 H2TU-C دليل المستخدم

ملخص المحتوى في الصفحة رقم 1

Reference Guide
61221001L6A-30B
220/DDM+/3192 H2TU-C
0011
Option Settings Display (“VIEW”)
STATUS LED
Message Description Settings Default
STATUS  GREEN Everything functioning normally
LBO Line Build Out EXT, 0, 133, 266, 399, 533 *
✷ BLINKING ES, SES, or BPV detected
CODE Line Code AMI, B8ZS B8ZS
 YELLOW Loopbacks active
FRMG DSX-1 Framing AUTO, UNF UNF
✷ BLINKING In-band loopbacks armed
NLBK NIU Loopback EN, DIS EN
 RED Alarm on the HDSL2 loop, DSX or DS1 interface
LBTO Loopback Timeout NON

ملخص المحتوى في الصفحة رقم 2

PRICING AND AVAILABILITY 800.827.0807 TECHNICAL SUPPORT 800.726.8663 RETURN FOR REPAIR 256.963.8722 HDSL2 TROUBLESHOOTING GUIDE www.adtran.com 61221001L6-30B HDSL2 DEPLOYMENT GUIDELINES  Cable pairs must be non-loaded  Total bridged tap length < 2.5 kft  No single bridged tap >2 kft  196 kHz insertion loss < 35 dB  Pulse attenuation (ATTEN on HDSL2 Span Status Screen) < 30 dB  Maximum loop resistance is 900 Ω  Impulse noise < 50 dBrn as measured using a 50 kb filter  Wideband noise ≤