16
Figure 15 Front panel of HIM-AL2P
(1) Captive screw
(2) Ejector lever
(3) SFP port
(4) SFP port carrier signal LED (LINK/ACT)
(5) SFP port loopback/alarm LED (LP/AL)
LEDs
Table 17 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 port is in loopback state.
Flashing
There is a minimum of one alarm.
Interface specifications
Table 18 Interface specifications
Item
Specification
Connector type
SFP/LC
Number of interfaces
•
HIM-AL1P: 1
•
HIM-AL2P: 2
Interface standards
SONET OC-3C/SDH STM-1
Interface speed
155.52 Mbps
Interface cables
The HIM-AL1P/HIM-AL2P must work with an SFP transceiver module and an optical fiber with
LC-type connectors. For the appearance and connection of a HIM-AL1P/HIM-AL2P interface cable,
see "
Connecting an optical interface cable
1
2
3
4
5