Datasheet
Optical head-end platform
167
LWZ 4R, LWZ 4R 2
quad return path receivers; max. 48 return paths per
chassis, wide optical input range, optical front inputs
and RF rear outputs, optical wavelength 1200…
1600 nm, remote monitor and control function by
HMS or SNMP hot swappable
LWZ 4R LWZ 4R 2
LWZ 4R
Type LWZ 4R SC/APC LWZ 4R E2000
Order number 212 504 212 507
EAN-code 4026187240516 4026187240509
Type LWZ 4R2 SC/APC LWZ 4R2 E2000
Order number 212 515 212 514
4026187240639 4026187002350
Optical specifi cations
Optical wavelength [nm] 1200…1600
Optical input power [dBm] - 17…0
Connector type SC / APC E2000
RF specifi cations
Impedance [Ω] 75
Return loss [dB] min. 17 @ 5 - 7 MHz / min. 18 @ 7 - 200 MHz
Output level [dBµV] 102*
RF gain adjustment [dB] 0…20
Operating bandwidth [MHz] 5…200
Flatness [dB] +/- 0,5
Slope [dB] + 0,75 … - 0,5
Test point [dB] - 20 +/- 0,5
RF gain [dB] 54
Isolation [dB] >70 (Receiver to Receiver)
Equivalent noise input [pA/Hz0,5] 7
Second order distortion [dB] >60
Third order distortion [dB] >53
Common parameters
Module width 1 slot
Dimensions (D x H x W) [mm] 26 x 127 x 410
Ambient temperature [°C] 0…50
Power consumption [W] 17,6
* max. gain / -10 dBm opt. input & 10 % OMI from return transmitter