adm add-drop multiplexer 分插復(fù)用器
ai adapted information 適配信息
ais alarm indication signal 告警指示信號
ap access point 接入點
apid access point identifier 接入點識別符
aps automatic protection switching 自動保護倒換
atm asynchronous transfer mode 異步轉(zhuǎn)移模式
au asynchronous unit 管理單元
au-n administrative unit , level u 管理單元,第n級
aug administrative unit group 管理單元組
ber bit error ratio 比特誤碼率
bber background block error ratio 背景塊誤碼率
bip bit interleaved parity 比特間插奇偶校驗
c connection function 連接功能
ci characteristic information 特征信息
ck clock 時鐘
cm connection matrix 連接矩陣
cmise common management information service 公用管理信息服務(wù)單元
cp connection point 連接點
cses consecutive severely errored seconds 連續(xù)嚴(yán)重誤碼秒
d data 數(shù)據(jù)
dcc data communications channel 數(shù)據(jù)通信通路
ds defect second 缺陷秒
deg degraded 劣化
degthr degraded threshold 劣化門限
dxc digital cross connect 數(shù)字交叉連接
ei2 electrical interface signal 2 048 kbit/s 2048kbit/s電接口信號
e31 electrical inte4ace signal 34 368 kbit/s 34368kbit/s電接口信號
e4 electrical inte4ace signal 139264kbit/s電接口信號
ebc errored block count 誤碼塊計數(shù)
edc error detection code 誤碼檢測碼
edcv error detection code violation 誤碼檢測碼違倒
emf equipment management function 設(shè)備管理功能
eq equipment 設(shè)備
es electrical section 電氣段,電段
esl electrical section ,levell stm-1電段
es errored second 誤碼秒
eq recommendation g.703 type g.703類型電接口,
electrical signal, q表示比特率等級
bit rate order q
(q = 1l, 12,21,22,31,32,4) q = 1l, 12,21,22, 31,32,4
exsl expected signal label 期望信號標(biāo)識
extt expected trace identifier 期望蹤跡識別符
f_b far-end block 遠(yuǎn)端塊
f_ds far-end defect second 遠(yuǎn)端缺陷秒
f_ebc far-end errored block count 遠(yuǎn)端誤碼塊計數(shù)
fas frame alignment signal 幀定位信號
fm fault management 故障管理
fop failure of protocol 協(xié)議失效
fs forced switch 強制倒換
fs frame start signal 幀起始信號
ho higher order 高階
hoa higher order assembler 高階組裝器
hoi higher order interface 高階接口
hovc higher order virtual container 高階虛容器
hp higher order path 高階通道
hpa higher order path adaptation 高階通道適配
hpc higher order path connection 高階通道連接
hpom higher order path overhead monitor 高階通道開銷監(jiān)視
hpp higher order path protection 高階通道保護
hpt higher order path termination 高階通道終接
hsut higher order path supervisory 高階通道監(jiān)視未裝載終接
htca higher order path tandem 高階通道串聯(lián)連接適配
htct higher order path tandem 高階通道串聯(lián)連接終接
htcm higher order path tandem 高階通道串聯(lián)連接監(jiān)視