12
LEDs
Table 11
LED description
LED Status
Description
LINK/ACT
(Green)
Off
No link is present.
On
A 155.52 Mbps link is present.
Flashing
The SFP port is receiving or sending data at 155.52 Mbps.
LP/AL
(Yellow)
Off
No loopback or alarm exists.
On
The interface is in loopback state.
Flashing
There is a minimum of one alarm.
Interface specifications
Table 12
Interface specifications
Item Specification
Connector type
SFP/LC
Number of interfaces
•
HIM-CLS1P: 1
•
HIM-CLS2P: 2
Interface standards
SONET OC-3/SDH STM-1
Interface speed
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
Interface cables
The HIM-CLS1P/HIM-CLS2P must work with an SFP transceiver module and an optical fiber with LC-type
connectors. For the appearance and connection of a HIM-CLS1P/HIM-CLS2P interface cable, see
"
