25
Item Specification
Frame format
Ethernet_II
Ethernet_SNAP
Optical
transmit
power
Type
Short
distance
Medium
distance
Long distance
Long
distance
Ultra-long
distance
Min.
–9.5 dBm
–9 dBm
-–2 dBm
–4 dBm
–4 dBm
Max.
0 dBm
–3 dBm
5 dBm
1 dBm
2 dBm
Receiving sensitivity
–17 dBm
–20 dBm
–23 dBm
–21 dBm
–22 dBm
Central wavelength
850 nm
1310 nm
1310 nm
1550 nm
1550 nm
Max. transmission distance
0.55 km
(0.34 miles)
10 km (6.21
miles)
40 km
(24.86 miles)
40 km
(24.86
miles)
70 km (43.50
miles)
Fiber type
62.5/125
μ
m
multi-mode
9/125
μ
m
single-mode
9/125
μ
m
single-mode
9/125
μ
m
single-mod
e
9/125
μ
m
single-mode
Table 26
POS interface specifications
Item Specification
Connector type
SFP
Number of interfaces
0 to 8
Interface standards
•
SONET STS-3/STS-12
•
SDH STM-1/STM-4
Interface speed
155.52 Mbps
622.08 Mbps
OC-3 interface (155.52 Mbps)
Optical
transmit
power
Type Short
distance
Medium
distance
Long distance
Ultra-long
distance
Min.
–19.0 dBm
–15.0 dBm
–5.0 dBm
–5.0 dBm
Max.
–14.0 dBm
–8.0 dBm
0 dBm
0 dBm
Receiving sensitivity
–30.0 dBm
–28.0 dBm
–34.0 dBm
–34.0 dBm
Overload optical power
–14.0 dBm
–7.0 dBm
–9.0 dBm
–10.0 dBm
Central wavelength
1310 nm
1310 nm
1310 nm
1550 nm
Max. transmission distance 2 km (1.24 miles)
15 km (9.32
miles)
40 km (24.86
miles)
80 km (49.71
miles)
Fiber type
62.5/125
μ
m
multi-mode
9/125
μ
m
single-mode
9/125
μ
m
single-mode
9/125
μ
m
single-mode
OC-12 interface (622.08 Mbps)
Optical
transmit
power
Type
Medium distance
Long distance Ultra-long
distance
Min.
–15.0 dBm
–3.0 dBm
–3.0 dBm
Max.
–8.0 dBm
2.0 dBm
2.0 dBm
