Modular Multi-service Integrated Optical Transmission Multiplexer
User Manual
14
ALA
Red, always ON, referring to local alarm indication;
Red, Flashing, referring to remote alarm indication;
OPL
Red, ON, referring to optical loss alarm;
SYL
Red, ON, referring to the framing out-of-step of the optical signal;
E3
Red, ON, referring to system error code
≥10
-3
alarm;
E6
Yellow, ON, referring to system error code
≥10
-6
alarm;
Ethernet interface:
Indicators
Description
Function description
Link
Twisted pair connection
and transmission
indicator
On:
normal
connection
of
twisted pair
Off: no twisted pair connected
10/100
Indicator of working
speed
On: 100Mbps
Off: 10Mbps
F/HDX
Indicator for full/half
duplex
On: full duplex
Off: half duplex
(Note: ETH1, ETH2, ETH3, ETH4 are the four Ethernet interfaces)
E1 interface:
Indicators
Description
1
Red, ON, referring to code break alarm of the 1
st
line of E1;
2
Red, ON, referring to code break alarm of the 2
nd
line of E1;
3
Red, ON, referring to code break alarm of the 3
rd
line of E1;
4
Red, ON, referring to code break alarm of the 4
th
line of E1;
5
Red, ON, referring to code break alarm of the 5
th
line of E1;
6
Red, ON, referring to code break alarm of the 6
th
line of E1;
7
Red, ON, referring to code break alarm of the 7
th
line of E1;
8
Red, ON, referring to code break alarm of the 8
th
line of E1.
§6.4 Order Wire Interface (PHONE)
The equipment can provide one line of order wire telephone, to
facilitate the contact with the central management equipment room during
maintenance. Push it down to call the opposite terminal and keep it pushed
down during calling; Raise it to hang up or hold on.
