ADTRAN PSD 239 H2R دليل المستخدم

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JOBAID
ENHANCED PSD 239 H2R 61221045L2-22A
0111

STATUS LEDs
LOOPBACK AND CONTROL CODES
239 H2R
DSL NET Off No synchronization with the H2TU-C FUNCTION CODE RESPONSE
CLEI: T1R6VJWD_ _
ARM (in-band) 11000 (binary) H2TU-C and H2R will arm and the H2TU-R will loop-up toward the network
Solid Green Synchronized with an SNR margin greater than the user defined SNR
Margin Alarm Threshold
ARM (ESF Data Link) FF48 (hex) or 1111 1111
0100 1000 (binary) sent H2TU-C and H2R will arm and the H2TU-

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PRICING AND AVAILABILITY 800.827.0807 TECHNICAL SUPPORT 800.726.8663 RETURN FOR REPAIR 256.963.8722 www.adtran.com TURNUP & TROUBLESHOOTING GUIDE 61221045L2-22A HDSL2 LOOP SPECIFICATIONS H2TU-C VMDF H2R H2TU-R FOR OPTIMUM OPERATION First Segment (Between the H2TU-C and H2R) Cable pairs must be non-loaded No single Bridged Tap > 2 kft Total Bridged Tap < 2.5 kft Maximum loop resistance is 850 Ω with 196 kHz Insertion loss < 35 dB Pulse attenuation (LOSS on HDSL Current System S