|
parameter
|
specification
|
|
wavelength
|
data :1310nm（tx）/1490nm（rx） tv:1550nm
|
|
optical power
|
-1~ +2 dbm
|
|
receiving sensitivity
|
-24dbm
|
|
max transmission distance
|
20km
|
|
mac table
|
64
|
|
space of buffer storage
|
1.25mb
|
|
number of llid
|
1～8
|
|
mtbf
|
100,000 hours
|
|
epon trait
|
support ieee802.3ah
support dynamic bandwidth allocation (dba)
support onu auto-searching and automatic registration (real-time operation)
|
|
standard and protocol
|
support ieee802.3, ieee802.3u, ieee802.3z
support ieee802.1q wlan
support ieee802.1p qos
|
|
network management
|
cooperating with center olt, implement management configuration and software upgrade to onu
|
|
forward bandwidth（mhz）
|
47～750/47～860 optional
|
|
input range of optical power（db）
|
-6～+2 (typical value -1db)
|
|
inspect point of optical power
|
digital pipe visual display
|
|
connector
|
fc/apc (sc/apc optional)
|
|
fiber return loss（db）
|
≥45
|
|
rf return loss（db）
|
≥16
|
|
band flatness（db）
|
±0.75db(550mhz) ±1.2db(750/860mhz)
|
|
gain adjustment（db）
|
1～20db adjustable
|
|
typical optical power（db）
|
-1.0
|
|
number of channels（pal-d）
|
59
|
|
main line output level（db）
|
98 (typical value)
|
|
cso（db）
|
≤-60
|
|
ctb（db）
|
≤-65
|
|
input impedance (ω)
|
75
|
