Humanity 4E1 PDH multiplexer offers maximum 4E1+4Ethernet+order wire phone+RS232 over fiber. Main Feature:
  •       ALS available to protect eyes during installation
  •       Fiber 1+1, power 1+1 option to ensure stable system..
  •       4 Ethernet ports, order wire phone, CONSOLE/SNMP/WEB NMS optional. Please state the requirement when in order.
  •       E1 spur track loop back testing features, easy to be installed and maintenance.
  •       Optical optional by customer’s requirement.
Technical Parameters
E1 interface 4E1 interface for 4E1
E1 rate: 2.048Mb/s±50ppm
Code type: HDB3
E1 comply with ITU-T G.703, G.7042
Jitter comply with ITU-T G.823 and G.742
E1 with DB37. Be able to be with 75Ω(BNC)  or 120Ω(RJ45) by adaptor in the accessory
Fiber Optical rate: 150Mbps
Default: dual fiber, single mode, 40km
Default connector: FC (SC/ST optional)
Protection switch: 1+1 function optional
Receiver sensitivity: -34dBm to -8dBm
Ethernet (optional) 4 Ethernet ports with RJ45 connector
MAC address table capability: 1024
MAC address table aging time
The minimum frame length: 64bytes
The maximum frame length: 1916 bytes
Working mode: full/half duplex configurable
Support VLAN, Stream control
Bandwidth: 4 Ethernet ports shared 100M
Orderwire phone (optional) Standard 2-wire phone set
Bandwidth: 64Kbps
Coding: PCM
Orderwire phone function optional
Connector: RJ11
Indicator light F1,F2: the first or second fiber in use. (for the fiber 1+1 function)
ALR: the general alarm for local and remote.
NOP: no optical alarm
LOF: Loss optical synchronous
IE-3, IE-6: alarm for error code rate
LOS1~LOS4 for 1~4E1: The reference E1 spur tack lose signal
PLED1, PLED2: the two power indicator light
ALARM/MUTE button for masking the sound
Environment Power with 1+1 function
Operating temperature: -10~60°C
Relative humidity≤95%(25℃)
Relative humidity: 0~95%, noncondensing

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