Scramble 擾碼
Section 段
Section overhead (SOH) 段開銷
Self-healing network 自愈網(wǎng)
Self phase modulation (SPM) 自相位調制
Server 服務者，服務，業(yè)務
Server layer network 服務層網(wǎng)
Service access point identifier (SAPI) 服務接入(訪問)點識別符
Session layer 會晤層
Session protocol data unit (SPDU) 會話協(xié)議數(shù)據(jù)單元
Severely disturbed period (SDP) 嚴重擾動期
Severely errorde second (SES) 嚴重誤碼秒，嚴重誤塊秒
Severely errored second ratio (SESR) 嚴重誤碼秒比，嚴重誤塊秒比
Side mode suppression ratio (SMSR) 邊模抑制比
Single longitudinal mode (SLM) laser 單縱模激光器
Sink 宿
Shared protection ring 共用保護環(huán)，共享保護環(huán)
Slave clock 從時鐘，從鐘
Slip 滑動
Source 源
Standalone synchronication supply equipment (SASE) 獨立同步供給設備
Sub-layer 子層
Sub-sayer monitoring 子層監(jiān)視
Sub-network 子網(wǎng)
Sub-network connection (SNC) 子網(wǎng)連接
Subnetwork connection protection (SNCP) 子網(wǎng)連接保護
Subnetwork dependent convergence function (SNDCF) 子網(wǎng)從屬會聚功能
Supervisory unequipped signal 監(jiān)控的未裝載信號
Survivability 生存性
Switched vitual circuit (SVC) 交換虛電路
Synchronication status message (SSM) 同步狀態(tài)消息
Synchronization status message byte (SSMB) 同步狀態(tài)消息字節(jié)
Synchronous digital cross connect equipment (SDXC) 同步數(shù)字交叉連接設備
Synchronous digital hierarchy (SDH) 同步數(shù)字體系
Synchronous digital hierarchy equipment clock (SEC) SDH設備時鐘
Synchronous equipment management function (SEMF) 同步設備管理功能
Synchronous equipment timing generator (SETG) 同步設備定時發(fā)生器
Synchronous equipment timing physical interface (SETPI) 同步設備定時物理接口
Synchronous equipment timing source (SETS) 同步設備定時源
Synchronous multiplexer (SM) 同步復用器
Synchronous optical network (SONET) 同步光網(wǎng)絡
Synchronous supply unit (SSU) 同步供給單元
Synchronous transfer mode (STM) 同步傳遞(轉移)模式
Synchronous transport module (STM) 同步傳送模塊
SDH equipment clock (SEC) SDH設備時鐘
SDH management network (SMN) 同步數(shù)字體系管理網(wǎng)
SDH management sub-network (SMS) 同步數(shù)字體系管理子網(wǎng)
SDH physical interface (SPI) SDH物理接口
Section 段
Section overhead (SOH) 段開銷
Self-healing network 自愈網(wǎng)
Self phase modulation (SPM) 自相位調制
Server 服務者，服務，業(yè)務
Server layer network 服務層網(wǎng)
Service access point identifier (SAPI) 服務接入(訪問)點識別符
Session layer 會晤層
Session protocol data unit (SPDU) 會話協(xié)議數(shù)據(jù)單元
Severely disturbed period (SDP) 嚴重擾動期
Severely errorde second (SES) 嚴重誤碼秒，嚴重誤塊秒
Severely errored second ratio (SESR) 嚴重誤碼秒比，嚴重誤塊秒比
Side mode suppression ratio (SMSR) 邊模抑制比
Single longitudinal mode (SLM) laser 單縱模激光器
Sink 宿
Shared protection ring 共用保護環(huán)，共享保護環(huán)
Slave clock 從時鐘，從鐘
Slip 滑動
Source 源
Standalone synchronication supply equipment (SASE) 獨立同步供給設備
Sub-layer 子層
Sub-sayer monitoring 子層監(jiān)視
Sub-network 子網(wǎng)
Sub-network connection (SNC) 子網(wǎng)連接
Subnetwork connection protection (SNCP) 子網(wǎng)連接保護
Subnetwork dependent convergence function (SNDCF) 子網(wǎng)從屬會聚功能
Supervisory unequipped signal 監(jiān)控的未裝載信號
Survivability 生存性
Switched vitual circuit (SVC) 交換虛電路
Synchronication status message (SSM) 同步狀態(tài)消息
Synchronization status message byte (SSMB) 同步狀態(tài)消息字節(jié)
Synchronous digital cross connect equipment (SDXC) 同步數(shù)字交叉連接設備
Synchronous digital hierarchy (SDH) 同步數(shù)字體系
Synchronous digital hierarchy equipment clock (SEC) SDH設備時鐘
Synchronous equipment management function (SEMF) 同步設備管理功能
Synchronous equipment timing generator (SETG) 同步設備定時發(fā)生器
Synchronous equipment timing physical interface (SETPI) 同步設備定時物理接口
Synchronous equipment timing source (SETS) 同步設備定時源
Synchronous multiplexer (SM) 同步復用器
Synchronous optical network (SONET) 同步光網(wǎng)絡
Synchronous supply unit (SSU) 同步供給單元
Synchronous transfer mode (STM) 同步傳遞(轉移)模式
Synchronous transport module (STM) 同步傳送模塊
SDH equipment clock (SEC) SDH設備時鐘
SDH management network (SMN) 同步數(shù)字體系管理網(wǎng)
SDH management sub-network (SMS) 同步數(shù)字體系管理子網(wǎng)
SDH physical interface (SPI) SDH物理接口