Mitel Sx 200 Ml Pabx Lightware 16 Instructions Guide

Field-Replacement Procedures 
Replace the Main Control Card II 
2.5 When you have completed Chart 2-4 
l The original Main Control Card II (MCC II) will be disconnected and removed. 
l The System ID module will be installed on the new MCC Il. 
l The new MCC II will be installed on the Bay Control Card (BCC). 
l The BCC will be installed. 
CAUTION: Turn off power before removing the Main Control Card Il. 
away from the main control card. Damage to components or 
circuit card tracks may result.  Remove...

Field-Replaceable Units 
Figure 2-2 MCC II Ribbon Cable Routing 
Replace a Bay Control Card 
2.6 When you have completed Chart 2-5 
l The original Bay Control Card (BCC) will be disconnected and removed. 
. The new BCC will be unpacked and inspected. 
l The BCC will be installed. 
CAUTION: Turn off power before removing the Bay Control Card. 
I Chart 2-5 Replace a Bay Control Card 
Step Action Comments 
Follow General Procedures 
1. Follow the general procedures for handling circuit Given in Chae 2-3....

Field-Replacement Procedures 
Chart 2-5 Replace a Bay ConWol Card (continued) 
Step Action Cornmen& 
Remove Original BCC 
2. Attach the antistatic wrist strap and remove original The BCC and its slots are marked with a 
BCC and its attached MCC Il. Disconnect the MCC 
semicircle. 
Ii cable. 
Refer to MCC II replacement procedures 
for the MCC II that is attached to the BCC. 
Unpack and Inspect New BCC 
3. Wearing the antistatic wrist strap, unpack and Retain packaging for shipment of original 
inspect...

Field-Replaceable Units 
Chart 2-6 Replace Bay Power Supply (continued) 
Step Action Comments 
Unpack and Inspect New BPS 
5. Wearing the antistatic wrist strap, unpack Retain packaging for shipment of original 
and inspect the BPS. unit. 
6. Repack and return the original unit. 
Install New BPS 
7. Insert the BPS into its slot, and tighten the The BPS and its slot are each marked with a 
thumbscrew at the upper front of the BPS to right triangle. The slot is located in the upper 
secure it to the...

Field-Replacement Procedures 
which are directly associated with the Music-on-Hold/Pager Unit (night bells, alarms, 
paging and Music-on-Hold). The rest of the SX-200 ML PABX continues to function. 
Chart 2-7 Replace SX-200 ML PABX Music-on-Hold/Pager Unit 
Step Action Comments 
Prepare the Music-on-Hold/Pager Unit 
1. Power down the external equipment including pag- 
ing amplifiers, night bells, alarms etc. 
Replace the unit 
2. Disconnect the 25 pair Amphenol connector from the A small screwdriver may...

Field-Replaceable Units 
Repack Equipment for Shipment 
2.10 Complete Chart 2-9 to properly repack equipment for shipment. 
Note: 1. Do not disconnect the system ground until printed circuit cards have been properly packed. 
The system must be properly grounded for the wrist strap to be effective. 
2. Whenever possible, re-use original packing material to repack equipment for shipment. 
Chart 2-9 Repack Equipment For Shipment 
Step Action Comments 
1. Pack all circuit cards in antistatic bags and PC Wear...