2
December 1999
3611-A2-GZ43-30
HANDLING PRECAUTIONS
FOR
STATIC-SENSITIVE DEVICES
This product is designed to protect sensitive components from damage due to
electrostatic discharge (ESD) during normal operation. When performing
installation procedures, however, take proper static control precautions to
prevent damage to equipment. If you are not sure of the proper static control
precautions, contact your nearest sales or service representative.
HARDWARE SWITCHES
Switches on the TDM and MCMP circuit cards are for factory test purposes only, and should not be changed.
S2
S1
*
FACEPLATE
494-12966b
*
SWITCH S1 ONLY APPEARS ON THE MCMP CIRCUIT CARDS.
(MUST BE IN
THE ON POSITION)
(MUST BE IN
THE ON POSITION)
REAR
Figure 1. Modular TDM or MCMP Circuit Card Hardware Switch Locations
REMOVING THE INSTALLED MODULAR 3611 DSU
FROM THE CARRIER
To remove an installed Modular 3611 DSU, perform the following steps:
1. Use a Phillips screwdriver to loosen the screw holding the circuit pack lock on the Modular 3611 DSU,
and rotate the lock to the open position (Figure 2).