14
Figure 12
Front panel
(1) Captive screw
(2) Ejector lever
(3) SFP port carrier signal LED (LINK/ACT)
(4) SFP port loopback/alarm LED (LP/AL)
(5) SFP port 3 (155 Mbps) or SFP port 1 (622 Mbps)
(6) SFP port 2 (155 Mbps) or SFP port 0 (622 Mbps)
(7) SFP port 1 (155 Mbps)
(8) SFP port 0 (155 Mbps)
LEDs
Table 13
LED description
LED Status
Description
LINK/ACT
(Green)
Off
No link is present.
On
A 155.52/622.08 Mbps link is present.
Flashing
The SFP port is receiving or sending data at 155.52/622.08 Mbps.
LP/AL
(Yellow)
Off
No loopback or alarm exists.
On
The port is in loopback state.
Flashing
There is a minimum of one alarm.
Interface specifications
Table 14
Interface specifications
Item Specification
Connector type
SFP/LC
Number of interfaces
•
HIM-MSP2P: 2 OC-3 interfaces or 1 OC-12 interface
•
HIM-MSP4P: 4 OC-3 interfaces or 2 OC-12 interfaces
Interface standards
•
SONET STS-3/STS-12
•
SDH STM-1/STM-4
Interface speed
155.52/622.08 Mbps
OC-3 interface (155.52 Mbps)
Optical
Type
Short distance
Medium distance Long distance
Ultra-long distance
1
2
3
4
5
6
7
8
