H3C Technologies H3C SR6600-X - Manual (Page 28)

20
(8) MAC external SFP port carrier signal LED (LINK/ACT)
(9) MAC external SFP port loopback/alarm LED (LP/AL)
(10) Mate interface of the MAC RPR node
LEDs
Table 19 LED description
LED Status Description
RPR status
PASSTHRU
(Green) Off The node is not in PASSTHRU.
On The node is in PASSTHRU.
MATESYNC
(Green) Off The mate interface is not synchronized.
On The mate interface is synchronized.
WRAP
(Yellow)
Off No WRAP exists.
On WRAP occurs on this node.
Flashing (0.5 Hz) WRAP occurs on another node.
STEER
(Yellow)
Off No STEER exists.
On STEER occurs on this node.
Flashing (0.5 Hz) STEER occurs on another node.
External optical
interface
SDH/SONET at
physical layer
LINK/ACT
(Green)
Off No carrier signals are being received.
On Carrier signals are being received.
Flashing (4 Hz) Data is being transmitted or received.
LP/AL
(Yellow)
Off No loopback or alarms occur.
On The port is in loopback state.
Flashing (0.5 Hz) A minimum of one alarm, AIS, LFA, or RAI, occurs.
Interface specifications
Table 20 Interface specifications
Item Specification
Connector type SFP/LC
Number of interfaces 4
Interface standards
• SONET STS-48
• SDH STM-16
Interface speed 2488.32 Mbps
Optical
transmit
power
Type Short distance
Medium
distance
Long distance
Ultra-long
distance
Min. –10.0 dBm –5.0 dBm –2.0 dBm –2.0 dBm
Max. –3.0 dBm 0 dBm 3.0 dBm 3.0 dBm
Receiving sensitivity –18.0 dBm –18.0 dBm –27.0 dBm –28.0 dBm
Overload optical power –3.0 dBm 0 dBm –9.0 dBm –8.0 dBm
Central wavelength 1310 nm 1310 nm 1310 nm 1550 nm