ADTRAN DDM + H2TU-C دليل المستخدم

ملخص المحتوى في الصفحة رقم 1

3
2
1
JOBAID
61222003L2-22A
DDM+ H2TU-C
0104
CIRCUIT BOARD 6-POSITION DIP SWITCH – SW1
STATUS LEDs
DDM+ H2TU-C
CLEI: T1L3X5BA_ _
STATUS  RED Alarm on the H2TU-C loop, H2R loop, DSX or DS1 interface.
Provisions the unit. (Default settings are in bold.)
✷ FLASHING Signal Quality of 0 or No Sync on the loop.
SW1-1
 AMBER Loopbacks active.
 Selects line coding to AMI or B8ZS
✷ FLASHING In-band loopbacks armed.
SW1-2
 GREEN Functioning properly.
1
 Selects T1-framing to FRAMED or UNFRAMED
✷

ملخص المحتوى في الصفحة رقم 2

PRICING AND AVAILABILITY 800.827.0807 TECH SUPPORT 800.726.8663 RETURN FOR REPAIR 256.963.8722 HDSL2 TROUBLESHOOTING GUIDE www.adtran.com 61222003L2-22A INDICATIONS AND PROBABLE CAUSES Front Panel or Circuit Parameters Indicate Abnormal Operation Connect a terminal or PC to the RS-232 (DB-9) craft interface located on the faceplate. The terminal must be VT100 or compatible and set for 1.2 to 19.2 kbps, 8 data bits, no parity, 1 stop bit, and no flow control. Select “3” from the ADTRAN HD