ZXDSL 9210 (V3.1) Broadband Universal Access Equipment Technical Manual
3-12
Parameter
Symbol
Min. Value Typical Value Max. Value Unit
Bellcore TR-NWT-000253 and the ITU G.957 Recommendations
Optical pulse rise time
t
R
- 2
ns
Optical pulse fall time
t
F
-
2
ns
Data input current (low)
Iil
-200
-
mA
Data input current (high)
Iih
-
200
mA
Data input voltage (low level) Vil-Vcc
-1.81
-1.48
V
Data input voltage (high level) Vih-Vcc
-1.17
-0.88
V
Table 3.1-6 Parameters of the 100M Ethernet Single-Mode Optical Interface (Receiving)
Parameter
Symbol
Min. Value Typical Value Max. Value Unit
Supply power current
I
cc
75 100
mA
Power consumption
P
DISS
0.26 0.35 W
Receiver sensitivity at the center
of an eye pattern
P
IN
Min
(C)
-31.8
dBm
(average)
Receiver sensitivity on the edge
of an eye pattern
P
IN
Min
(W)
-31
dBm
(average)
Maximum input optical power
P
IN
Max
-8
-
dBm
(average)
Working wavelength
λ
1261
1360 nm
Data output voltage (low)
V
ol
-V
cc
-1.84
-1.62 v
Data output voltage (high)
V
oH
-V
cc
-1.04
-0.88 v
Signal monitoring output
voltage (low)
V
ol
-V
cc
-1.84
-1.62 v
Signal monitoring output
voltage (high)
V
oH
-V
cc
-1.04
-0.88 v
Signal monitoring alarm –start
P
A
P
D
+1.5dB
-34
dBm
(average)
Signal monitoring alarm –close P
D
-45
dBm
(average)
Signal monitoring alarm
–hysteresis
P
A
-P
D
0.5
4
dB
Signal monitoring alarm start
time (0-1)
AS_Max
0
100
µs
Signal monitoring alarm close ANS_Max
0
350
µs
