Connecting Mpc Or Mic Cables To The Mx2010 Router - Juniper MX2010 Hardware Manual

Table 91: Alarm Relay Contacts on the Craft Interface
Function No.
1

Connecting MPC or MIC Cables to the MX2010 Router

To connect the MPCs or MICs to the network (see
1. Have ready a length of the type of cable used by the component. For cable specifications, see the
Series Interface Module
2. Remove the rubber safety plug from the cable connector port.
WARNING:
of fiber-optic cables. Fiber-optic transceivers and fiber-optic cable connected
to a transceiver emit laser light that can damage your eyes.
CAUTION:
inserting or removing cable. The safety cap keeps the port clean and prevents
accidental exposure to laser light.
3. Insert the cable connector into the cable connector port on the faceplate.
4. Arrange the cable in the cable manager to prevent it from dislodging or developing stress points. Secure
the cable so that it is not supporting its own weight as it hangs to the floor. Place excess cable out of
the way in a neatly coiled loop. Placing fasteners on the loop helps to maintain its shape.
CAUTION:
An arc smaller than a few inches in diameter can damage the cable and cause
problems that are difficult to diagnose.
Label
MINOR ALARM—[NC C NO]
MAJOR ALARM—[NC C NO]
Reference.
Do not look directly into a fiber-optic transceiver or into the ends
Do not leave a fiber-optic transceiver uncovered except when
Avoid bending fiber-optic cable beyond its minimum bend radius.
Description
The alarm relays consist of three terminal
contacts with a normal closed (NC), common
(C), and normal open (NO) relays that signal a
minor or major alarm when broken.
Figure 150 on page 349 and Figure 151 on page
348
349):
MX