Datasheet

Optical head-end platform
170
LWE 21
Dual optical return path reciever
two independent, seperately switchable optical receivers
two single outputs or one combined output in the frequency range 5 - 65 MHz
measurement function for the optical input power
19“ housing (one RU)
Type LWE 21
Order number 212 200
EAN-code 4026187240295
Optical receiver
Optical input power [dBm] - 11… +2 (max. +4)
Optical wavelength [nm] 1280…1580 typ. 1310 / 1550
Optical return loss [dB] typ. 45
Responsitivity [A/W] 0,8…1
Optical connector E2000
RF Parameters
RF bandwidth [MHz] 5…65
Impedance [W] 75
Ripple [dB] + / - 0,75
Output level [dBµV] 80 / 86
Output level testing point [dBµV] 60 / 66
C/N [dB] 49,5
Return loss on RF terminals [dB] 19
Frequency of ALC pilot tone [MHz] 590…630
RF connectors IEC jack
Common data
Voltage supply [V~] 100…240
Ambient temperature [°C] 0…40
LWM 11
Management system for LWS…and LWE 21;
translation of RS 485 data to SNMP, Ethernet &
webbrowser, Ethernet protocol
Type LWM 11
Order number 212 202
EAN-code 4026187240301