ZyXEL Communications MSC1000G Series, User Manual

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Chapter 2 Hardware Connections
Management Switch Card User’s Guide
57
2.3.1 Alarm Connections
Figure 13
ALARM Connector Pin Layout
A closed circuit on the ALARM input pins indicates an alarm.
• Pins 1 and 9 are alarm input one.
• Pins 2 and 10 are alarm input two.
• Pins 3 and 11 are alarm input three.
The MSC signals an alarm when it detects an alarm on the ALARM input pins, the IES-5000 is
overheated, the voltage readings are outside the tolerance levels a fan fails or another alarm
occurs.
To signal a minor alarm, the MSC opens the circuit for pins 4 and 12 and closes the circuit for pins 5
and 12.
Table 2
Front Panel Descriptions
LABEL DESCRIPTION
ALARM
(MSC1000G) This DB15F connector is for connecting to alarm input and alarm output terminals on other
pieces of equipment.
ACO Press this Alarm Cut Off Button to cancel an alarm. This stops the sending of the alarm signal
current. This is useful in stopping an alarm if you have the alarm output connector pins
connected to a visible or audible alarm. The alarm entry remains in the system.
1000/100 The management switch card uses one or two uplink ports for connecting to an Ethernet
switch(es) that is part of a high-bandwidth backbone network.
This is an electrical Ethernet interface for use with the following copper Ethernet cables:
a). 100Base-Tx 2 pair UTP Cat. 5, up to 100m
b). 1000Base-T 4-pair UTP Cat. 5, up to 100m
Connector: RJ-45
For better performance and lower radiation noise, use shielded Ethernet cables.
XFP
(MSC1224G) These are slots for XFP (10 Gigabit Small Form Factor Pluggable) transceivers.
SFP These are slots for SFP transceivers.
SFP+ These are slots for SFP+ transceivers.
MGMT This is an RJ-45 Ethernet port for connecting to an Ethernet network for out-of-band
management (a separate channel for management that is not part of the channels that are
usually used for data transfer).
CONSOLE This DB-9 (MSC1000G, MSC1024G or MSC1224G) or mini RJ-11 (MSC1024GB, MSC1024GC
or MSC1224GB) RS-232 port is for connecting to a computer for local management.