ADTRAN 4202023L4, 4202023L1, 4202023L2, 4202023L3 manual

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6.If experiencing difficulty with this equipment, please contact ADTRAN for repair and warranty information. If the equipment is causing harm to the network, the telephone company may request this equipment to be disconnected from the network until the prob- lem is resolved or it is certain that the equipment is not malfunctioning.

7.This unit contains no user serviceable parts.

8.The FCC recommends that the AC outlet to which equipment requiring AC power is to be installed is provided with an AC surge arrester.

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Contents Page #$# Following conventions are used in this manual Important Safety Information Affidavit Requirements for Connection to Digital Services Page Page Service Digital Facility Service Order Network Type Page Page Page Page Applications Engineering 800 Caps Department 256Aces Help Desk 888 874-ACES Technical Support 888 4ADTRAN+,*&+-55 # 0732 +92 + 5&=3 573*6+5!/-6$ Page +-/-601 Page #/-6+0,6 01 $+00+1 493-# 66+60,,-0 436+!9$1+46-6 #/-6.2!5&$ $!&5$ #/-6123 #$%%&$%%&0+1E+0 +40+-=536+++--+ =5,0 #%,#,0#1##$2 06-5*5.++++-0946 57&5H0000 #$3%&,##66 13A #&*5 #&*&5 #&*5# #&*&5#+13A #&5 #5# #&5# 053/3/362 Fuse for left power supply#$%%&$%%&0 #$3%6&!#,053/3/3632 #$3%5&#$!#,053/3/3662 #$%%&$%%&0 #$3%7&!#,053/3/3652 Page # ,# +-.##$ 760#$6%&8+-.#,# #$6%3&# +!, ,8$#$6%6&,,#$# +-01 #$6% #$6%7&#.#-9### 60-20++//= 1136+ 069 +19-0 024 11006+01+ +++16C+4+ 560-20493++00+3 #$6% +#,-,#+-0 +6,0-96522 55&+#$6%/&##1 01,-+ # ,+6,,--660-+5 #$6%&,,#$# SNMP/Telnet Disable Shelf 96%&.#9#$#$ 60$ 606##$6%5 +--601 73+-0 +-01 # 5+-0 96%6&$#+# ++613%46? 33?613 $1C ++-613#,# 11F8 Signal Ground Power IndicationShield Shield for cable Digit Present53$4 34-613 ?5D #+# 5535$16535$16 33$4537 357 +613Transmit Data from DSU to Network-Tip Transmit Data from DSU to Network-RingNot Used Receive Data from Network to DSU-Tip+-/0#/-6 @,+#9##1 3+-# +9!/-6$ @,# ++#$,6!$ @,# #7* &++ ++1+ F7&5H0 A55!$ 585! $ #* #-#1 $1++ 55# ##%7# 64202023L1-1 Index-68