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S series introduction
120ES
240S+
480S
120S-II Solution
  ZYEQ-120S-II
 

    INTRODUCTION

 
  ZYEQ-120S-II is an integrated optical-electrical fiber transmission device based on the VLSI ZYIC-016. It is designed with 120-channel transmission capacity in 4 E1 channel. It is suitable for small capacity switches networks, user ring networks, mobile base stations, private networks, DDN networks, etc.  

 

    MAIN FEATURES

 

Large scale ASIC utilized, low power consumption and high reliability.

 

E1 G.703 interface remote loop-back testing available.

 

1 service-phone channel.

 
Power supply: DC-48V or AC 220V, in some extraordinary case, ±24V available too.
 

Local and remote status alarming.

 

    SPECIFICATIONS

 

I S optic port:

 
 

    Code pattern: CMI

 
 

    Code Rate: 33.79Mb/s

 
 

    Transmit Optical Power: LD, >= -10dBm

 
 

    Receive Sensitivity: <= -38dBm

 
 

    Optic Fiber connector: FC/SC model

 

4 G.703 ports: BNC 75/120 ohm

 

Service Phone port: Rj11.

 

1 U Chassis meets standard 19Ħħ rack.

 

Dimension: 483 × 210 × 44.5 ( mm )

 

Power supply:

 
 

    -48Vdc, DC range: -36Vd c ~ - 72Vdc

 
 

    Or 220 Vac, AC range: 180V ~ 260V

 

Extraordinary Case:

 
 

    -24Vdc, DC range: -18Vdc ~ - 36Vdc

 
 

    +24Vdc, DC range: 18Vdc ~ 36Vdc

 

Ripple: Vpp <= 200mV

 

Consumption <= 10W

 

    SOLUTIONS

 

 

figure1.1, point to point link
(room in)

 
 

figure1.2, AS Access device at the margin of SDH backbone transmit network, transmit voice and Data, connect PCM and DXC multiplxer equipment.
(room in)

 
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