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Installation Instructions 

Document No. 545-407 

February 7, 2003 

 

 
MMI Extension Cable 

 

 

Item Number: 545-407-04, Rev. 010

 

Page 1 of 2 

Product Description 

The MMI Extension Cable (Figure 1) is an accessory 
that allows you to connect a computer to an Open 
Processor, Controller Module, or Gateway Module 
and use the computer when the enclosure door is 
closed or locked. The cable can be used with a 
Modular Building Controller (MBC), Remote Building 
Controller (RBC), or the Controller Board of a Floor 
Level Network (FLN) Controller. 

NOTE:  See the following manuals for further 

information about system installation and 
programming constraints: 

• 

Smoke Control Application and 

Engineering Manual (125-1806) 

• 

APOGEE Automation Technical 

Reference on InfoLink 

Product Numbers 

545-712 

MMI Extension Cable Assembly 
(includes RJ-11 plug and RJ-11 jack) 

Required Tools 

• 

Flat-blade screwdriver 

 

Figure 1.  MMI Extension Cable. 

Expected Installation Time 

3 minutes 

Prerequisites 

• 

None 

Installation 

1. 

Use a screwdriver to tap on the MMI extension 
cable knockout until it is removed.  

See Figure 2 for an MBC/RBC enclosure, or  

Figure 3 for an FLN Controller enclosure. 

2. 

Insert the RJ-11 jack of the extension cable 
(Figure 1) into the knockout and snap the jack 
in place. 

 

Figure 2.  Installing an Extension Cable (MBC/RBC). 

FLN0018R1

F
L
N
1

F
L
N
2

F
L
N
3

B
L
N

-

S

+

-

S

+

-

S

+

-

S

+

12

VDC

RJ-11
PLUG

RJ-11
PLUG

KNOCKOUT

MMI

Modem

Port

MMI
Port

Controller Board

BPS (Bits per second)

BLN #

Field Panel No./Name

Memory

FLN1

FLN2

FLN3

MMI 

Modem

MMI

BLN

WARNING:
Power must be ON
when replacing the
battery, otherwise
the cabinet will
coldstart.

TIU

Enabled

Product Part No.

545-793

Refer to Installation Instructions, Part No.

545-429

Adher

e Bar Code Label in this space

.

Underwriters Laboratories Inc. ®

LISTED

SMOKE CONTROL SYSTEM EQUIPMENT SUBASSEMBLY.

Also suitable for use as:

ENERGY MANAGEMENT SUBASSEMBLY.

Also suitable for use as:

SIGNAL SYSTEM UNIT SUBASSEMBLY.

Also suitable for use as:

PROCESS MANAGEMENT EQUIPMENT SUBASSEMBLY.

Issue No.

For use with System 600 as part of an engineered 

smoke control system in accordance with NFPA 92A.

C

¤

¤

WARNING: Risk of static discharge.
Turn OFF power before removing or servicing 
boards. Use ESD wrist strap when servicing unit.

 

Figure 3.  Installing an Extension Cable 

(FLN Controller). 

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