63 E1 STM1 SDH Multiplexer

# Achieve Multiplexing from 63 E1 to 2 STM-1 optical interfaces  

# 1U height, 19 Inch width standard

# Service interface

* Two STM-1 optical interfaces, SFP optical module (LC connector)

* Maximum 63 E1 interfaces compliant with ITU-T G.703, optional unbalanced/ balanced interface

# System interface

*  Ethernet management interface: EMU (RJ45 connector)

*  RS232 network management interface: CONSOLE (RJ45 connector)

*  RS232 user channel interface: RS232 (RJ45 connector)

*  External synchronization interface / Extendable management interface :  ETS1/EXM1, ETS2/EXM2 (RJ45 connector)

*  Engineering Order Wire (EOW) interface: PHONE (RJ11 connector)

*  UALM and DALM output interface: U/DALMO (DB9 connector)

# Timing mode

* STM-1 line timing (T11,T12)

* Tributary timing from E1-1 to E1-63 (T2)

* External timing source input (T31/T32), 2048Kbit/s by default and 2048KHz selectable

* External timing output (T41/T42), 2048Kbit/s by default and 2048KHz selectable

* ITU-T G.813 internal oscillator

* The timing source can be auto-switched according to SSM or operator settings

# Supports 1+1 protection and Automatic Protect Switch (APS) with the switching time less than 50ms

# Supports Remote power Down Detection (RPD) and Auto Laser Shutdown (ALS)

# Supports embedded BERT and various loop back for troubleshooting

# Highly efficient management system

* Supports NE management based on CLI command via RS232 interface or TELNET

* Supports Network management based on PC via unified platform: GTVIEW

* Supports three network management types: Traditional DCC management, Inner DCN management (by some VC12 channel) and outer DCN management (by E1 cable via outer EXM interface).

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