光端机实习报告.doc

20bscnssmscnsshlr vlr gsm2modf2mddfddf2mbscbts2m2mddfodf-2m-bsc-tcmsc-msc2mddfodfgsm-trx4g3gcdutru2020 1 2 3 4 cmi/1 2 3 4 cmi5 cmi, rc-gt-(+) 1 cmi(:cmi) 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0cmi 11001100 01010101 11001100 010101012 cmi01011001cmicmi hdb3 12hdb3 1nrzhdb32hdb3 rc-gt- (+) 11a) 01b) 1010c) 10d) 1021amihdb3 ami0 1+1-1hdb3ami04,amihdb3ami03,40400(+1-1),(+1+,-1-)010+b-b,2100111 0010 0000 1100 0010 0000hdb3 1111 1111 1111 1111hdb3+1-1+1-1 +1-1+1-1 +1-1+1-1 +1-1+1-10000 0000 0000 0000hdb3+b00+v -b00-v +b00+v -b00-v +b00+v0111 0010 0000 1100 0010 0000hdb30+1-1+1 00-10 00-v0 +1-1+b0 0+v-10 00-v016us3hdb34hdb3hdb3,4hdb340000vb00vv1000v101b00v0011+1-1hdb31bvvhdb30.5 pcm 1. pcm2. pcm3. pcm 1. pcm2. 3. , rc-gt-(+) 1. pcmpcm b_inba_inapcma_inpcmb_out0.11ms0.11ms0.11ms2. pcmpcm 12pcm2.048mhz8khz()()pcm()3. >1. 11 227>kbit/s>atmma5300ma5600ua500ma5680t12 oltonu221atmasynchronous transfer mode?itu-t80atdfps1988asynchronous transfer modeatm b-isdnatm atm atm532548atmatmx25ddn,atmsvcbnc 2m34m155m, ma5300 ma5300ipdslamadslvdsllanma5300 v100r005 v100r003adsl2+gshdsltriple play ma5300l2/l3 ip dslam 1 2 ip-dslam 3smartax ma5300smartax ma5300smartax ma5303ma5300ma5303ma5300feip dslamadsl2+gshdslip dslamtriple playma5300ma5300tr-101triple-playma5600smartax ma5600 ma5600 ip-dslam ge qos ma5600 ma5600 adsl2+shdslsingle-pair high-speed digital subscriberlinea5600 vpnvirtual private networkqosquality of serviceeponeponethernet passive optical network epon ponponponeponeponepontcp/ipsnmpsnmpeponsnmpeponpongpon 25gbit/sqosatm gemqos gemtdmgem 8khz125stdm gponoamgponethernet ipmpeg pstnpotsisdn t1e1ds3 e3atm gponatm gemqosgpongponftth/ofttb+lanfttb+dsl1ftth/o/onu