Pittway Notifier NIB-96 User manual

the NIB - 96
Network Interface Board
for the System 500, System 5000, AFP-200, AFP-400
and AM2020/AFP1010 Fire Alarm Control Panels
with NIB software P/N 73454 or higher
12 Clintonville Road
Northford, CT 06472
Phone: [phone]
Fax: [phone]
Document# 15666
10/15/97 Revision D
P/N 15666:D1 ECN 97-407
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Document 15666 Rev. D 9/19/96
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Document 15666 Rev. D 9/19/96 3
Table of Contents
Section One:
Introduction ------------------------------------------------------------------ 4
Section Two:
The NIB-96 ------------------------------------------------------------------- 6
Section Three
Network Interface Board Description -------------------------------- 13
Section Four
System 5000 Slave Installation --------------------------------------- 14
Section Five:
System 500 Slave Installation ----------------------------------------- 17
Section Six:
AM2020/AFP1010 Slave Installation -------------------------------- 20
Section Seven:
Slave AM2020/AFP1010 Programming----------------------------- 23
Section Eight:
Master AM2020/AFP1010 Programming --------------------------- 24
Section Nine:
Master System 5000 Programming ---------------------------------- 25
Section Ten:
AFP-200 Slaves ---------------------------------------------------------- 26
Appendix A:
Master System 5000 Considerations-------------------------------- 30
Appendix B:
Master AM2020/AFP1010 Considerations ------------------------- 32
Appendix C:
Network Requirements for ULC-listed Panels--------------------- 33
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Related Documentation
This document references installation and programming manuals for the various
firealarm controlpanelsthatcan beusedwith the NIB-96NetworkInterface Board.
Toobtain acompleteunderstandingof specificfeaturesof the NIB-96orto become
familiar with functions in general, make use of the documentation listed inTable 1-
1below.
Section One:
General Information
Circuit Ratings
Unless otherwise stated in this manual, the wiring requirements and specifications
contained in Table 1-2 apply to all references to the LIB SLC Loop and EIA-485
circuit.
Title Document
The System 5000 Installation Manual 15583
The System 5000 Programming Manual 15584
The System 5000 Operating Manual 15581
The Voice Alarm System 5000 15890
The System 500 Manual 15019
The AFP-200 Manual 15511
The AFP-400 Installation Manual 50253
The AFP-400 Programming Manual 50259
The AFP-400 Operating Manual 50260
The AM2020/AFP1010 Manual 15088
The AM2020/AFP1010 Voice Alarm Multiplex Manual 15889
The AIM-200 Addressable Intelligent Module Manual 15949
The RPT-485 Repeater Manual 15640
Table 1-1 Related Documentation
Circuit Notes
LIB SLC Loop
Supervised and power limited
Maximum wiring distance: 10,00 feet @12 AWG for LIB-200
12,500 feet @ 12 AWG for LIB-200A/LIB400
Maximum loop current: 200mA (short circuit) or 100 mA (normal)
Maximum loop resistance: 40 ohms for LIB-200
50 ohms for LIB-200A/LIB400
EIA-485
Supervised and power limited
+/- 5 volts peak-to-peak
Maximum wiring distance: 4000 feet @ 14 AWG
Characteristic impedance of wiring: 40 ohms
Transmission rate: 2400 baud
Table 1-2 Wiring Specifications
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Table 1-3 NIB-96 DIP Switch Settings
Table 1-4 Setting DIP Switches 7 and 8 in a Slave
AM2020/AFP1010 NIB-96
DIP Switch Settings and Descriptions
The NIB-96 DIP Switch recommended settings contained in Table 1-3 and 1-4
apply to the installation procedures for the slave System 5000, System 500,
AM2020/AFP1010, AFP-200, and AFP-400.
DIP Switch AM2020/
AFP1010 S5000 S500 AFP-200 AFP-400
1. AUTO ACK ON ON ON ON ON
2. TIMED ACK ON OFF ON OFF OFF
3. AM2020/AFP1010 SLAVE ON OFF OFF OFF OFF
4. NOT USED OFF OFF OFF OFF OFF
5. AM2020/AFP1010 MASTER ON in systems where master panel is AM2020/AFP1010
6. RECEIVE ONLY OFF OFF OFF OFF OFF
7. AM2020/AFP1010 ADDRESS See Table 1-4 OFF OFF OFF OFF
8. AM2020/AFP1010 ADDRESS See Table 1-4 OFF OFF OFF OFF
Slave AM2020/AFP1010 EIA-485 Address
6 & 7 8 & 9 10 &11 12 &13
OFF OFF ON ON
OFF ON OFF ON
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Section Two: The NIB-96
The heart of the NIB Network is the Network Interface Board (NIB). It is a micropro-
cessor-controlled module that connects “slave” fire alarm control panels (FACP) to
a “master” control panel. The master control panel is an AM2020/AFP1010, AFP-
400, or System 5000 with one or more AIM-200 modules. The slave panels can be
a mix of AFP-200, AM2020/AFP1010, System 5000, or System 500 panels. The
NIB-96 module is physically located in each slave FACP. Each slave FACP may
contain as many as 96 input/output points or as few as 8 points. Several slave pan-
els can be monitored and controlled by a single master. Note: Each NIB network
can contain only one master FACP.
Slave System 500
Master AM2020/AFP1010
SLC Loop
Slave AM2020/AFP1010
SLC Loop
Notes:
1. Up to 10 LIB SLC loops can be installed in a
master AM2020.
2. Up to four LIB SLC loops can be installed in a
master AFP1010.
3. Each LIB SLC loop can support a maximum of 12
NIB-96 boards (@ 8 points each) or a maximum of
96 NIB points.
4. Each NIB may be set to report as few as 8 points
or as many as 96 points.
5. See the AM2020/AFP1010 Installation Manual,
Document 15088 for a detailed configuration and
for connections for transmission to central station.
6. Each slave uses four points for CPU functions.
7. Each S5000/S500 slave uses four points for CPU
functions plus four points for CPU output points.
8. Wiring from the NIB-96 that goes outside the
building:
• cannot exceed 1000 m.
• must be in conduit.
• cannot cross any power lines.
• most not be in the vicinity of any high voltage.
To Remote Station,
Municipal Box or Central
Station Receiving System
(see Note 4)
Slave System 5000
Figure 2-1 Network Configuration with Master AM2020/AFP1010
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Document 15666 Rev. D 9/19/96 7
Notes:
1. Up to 10 LIB SLC loops can be installed in a master
AM2020 or up to 4 LIB SLC loops in a master AFP1010.
2. Each LIB SLC loop can support a maximum of 12 NIB-
96 boards (@ 8 points each) or a maximum of 96 NIB
points.
3. Each NIB may be set to report as few as 8 points or as
many as 96 points.
4. See Document 15511 for a detailed configuration and
for connections for transmission to central station.
5. Each AFP-200 slave uses eight points for AFP-200
system functions. The remaining 88 NIB points can be
used in multiples of eight to display the status of AFP
zones 1 to 88.
6. The Master can not activate AFP zones.
7. The Master can perform the following functions:
Signal Silence via point #2, System Reset via point #3
and 'Drill' via point #4 (Drill requires NIB software 73454
or higher).
8. The Ground Fault circuit in the AFP-200 must be
disabled by cutting jumper JP9 unless an RPT-485
series repeater is used to isolate the AFP-200 from the
AM2020/AFP1010 (refer to Document #15640).
Master AM2020/AFP1010
System Common
EIA-485
AFP-200 Slave
öö
öö
ö
Figure 2-2 Master AM2020/AFP1010-Slave AFP-200 Configuration
(Refer to Table 1-2 for circuit ratings)
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Figure 2-3 Network Configuration with Master System 5000
( Refer to Table 1-2 for circuit ratings)
The NIB-96 has two serial interfaces. It communicates with the master panel over
the SLC interface loop, emulating up to 96 MMX and/or CMX modules. It commu-
nicates with the slave panel over an EIA-485 annunciator interface, emulating one
or two ACS annunciators (up to 128 LED points, of which only 96 may be used).
With the NIB at its maximum, 96 point configuration, each master SLC loop can
only support one slave FACP. With the NIB at its minimum, 8 point configuration,
asmany as12slave FACPs canbesupported inoneSLC loop. Note thatthemas-
ter panel can control additional slaves by creating additional SLC loops with the in-
stallation of more LIBs or AIM-200s. The capacity of a 10-loop master panel is 960
total slave points, less four CPU points for each slave.
To Remote Station or
Municipal Box (see Note 3)
System 5000 (with internal
EIA-485 connection between
CPU and NIB-96)
SLC Loop
Notes:
1. Up to 10 AIM-200s can be installed in a master System 5000.
2. Each AIM-200 can support a maximum of 12 NIB-96 boards
(@ 8 points each) or a maximum of 96 NIB points.
3. Each NIB may be set to report as few as 8 points or as many
as 96 points.
4. Remote Station, Municipal Box or Central Station receiving unit
connects to the Master System 5000 (refer to Document 15583
for details).
5. Manual control of slave output relays and notification circuits
is not possible from the master System 5000.
6. Each slave uses four points for CPU functions.
Master System 5000
SLC Loop
1234
1
23
4
1
23
4
1234
XPP-1 XPR-8
SLC Loop
Transponder Cabinet
System 500
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The System 5000 is a module-based system with eight points reserved for each
module position (whether the position is used or not). If a module in a slave Sys-
tem 5000 or System 500 employs only four points instead of eight, the remaining
four points are unusable.
For example, Figure 2-4 illustrates the use of three modules with eight initiating
device circuits, four notification appliance circuits, and four control relays.
CPU IZM-8 ICM-4 CRE-4
Slave System 5000 (or System 500) Cabinet
Figure 2-4 Point Utilization in Slave Panel
8 points 8 points 4 points 4 points 4 points 4 points
used used used unused used unused
Requires 32 addresses (switch size=4)
Networked systems may concentrate large systems by grouping many points to-
gether in a “software zone” and only reporting alarm or trouble for the software
zone. This technique allows very large system point capacity. However, a user at
the master FACP may not be able to determine the exact location of a given event.
Exact location information is available at the remote FACP.
Since the NIB Network reports slave status as module points and not as detectors,
analoginformation is notavailableatthe masterFACP. Analoginformationis avail-
able only at the slave panels. Maintenance Alert and Auto Test error will still report
to the master as a trouble.
The NIB Networks have full control-by-event capability. An alarm at any point on
anyremote FACP mayactivateany point(s) onanyother slave FACP(s). Themas-
ter FACP program contains all instructions to accomplish this. Full Signal Silence
and System Reset capabilities from the master FACP keypad to all slave FACPs
are also provided.
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NFPA Standards - AM2020/AFP1010 Master Systems
Wheninstalled in accordancewiththeAM2020/AFP1010 Manual,Document15088,
the AM2020/AFP1010 master control panel meets the requirements of the following
NFPA standards:
NFPA 72-1993 Local Protective Signaling Systems
NFPA 72-1993 Auxiliary Protective Signaling System
NFPA 72-1993 Remote Station Protective Signaling System
NFPA 72-1993 Proprietary Signaling System Receiving Unit
NFPA 72-1993 Proprietary Signaling System Protected Premises Unit
NFPA 72-1993 Central Station Service - Protected Premises Unit
NFPA 72-1993 Central Station Receiving Unit
Selection of software and minimum default system configuration is done in accor-
dance with the AM2020/AFP1010 Manual. The slave panels (which may be an
AM2020, AFP1010, a System 5000, or a System 500) act as data-gathering panels
for the master AM2020/AFP1010. The alarm/trouble/normal status of each addres-
sable device or zone of devices is reported by the slave panel to the master panel
for action. In addition, the slave panels may have notification appliance circuits and
controlrelays whicharecommandedon oroffby the masterAM2020/AFP1010.The
slave panels are located within the protected premises. The master panel may be
located remotely.
Wiring Requirements - AM2020/AFP1010 Master Panel
Slave panels connect to one or more LIB modules in the AM2020/AFP1010 Master.
The wiring requirements to connect to the LIB SLC loop are defined in Document
15088.
NFPA Standards - System 5000 Master Systems
Wheninstalled inaccordancewith theSystem5000 Installation Manual,theSystem
5000/AIM-200 master control panel meets the requirements of the following NFPA
standards:
NFPA 72-1993 Local Protective Signaling Systems
NFPA 71-1993 Central Station Service - Protected Premises unit
NFPA 72-1993 Remote Station Protective Signaling System
NFPA 72-1993 Proprietary Signaling System Protected Premises Unit
Software minimum default programs are done automatically when the System 5000
isprogrammed asdescribedin theSystem5000 Programming Manual. Themaster
System 5000 must have at least one AIM-200 module which must be installed and
programmed as described in the AIM-200 Manual.
Slave panels (which may be System 5000, or System 500) act as data-gathering
panels for the master System 5000. The alarm/trouble/normal status of each zone
of devices is reported by the slave panel to the master panel for action. In addition,
the slave panels may have notification appliance circuits and control relays which
are commanded on or off by the master System 5000. Both the master and all slave
panels must be located within the protected premises of the building complex.
Wiring Requirements - System 5000 Master Panel
Slave panels connect to one or more AIM-200 modules in the System 5000 Master.
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Wiring Requirements - Networked Voice Systems
TheNIB-96 may beusedinvoice evacuation systemswhereanAM2020/AFP1010
is the master panel and System 5000 panels are slaves. This configuration pro-
vides multiplex voice service similar to XP Transponder voice systems. In the
multiplex voice system, the AMG–1 Audio Message Generator, the FFT-7 Fire
Fighter'sTelephone andtheACM–16AT speaker selectionswitchesare locatedin
the master AM2020/AFP1010. The AA-30/AA-30E Audio Amplifier and speaker/
telephonecircuit modulesarelocatedin theSystem5000. The speaker/telephone
modules in the System 5000 may be the VCM-4, VCE-4 or DCM-4. SeeFigure 2-
5for the NIB–96 voice system block diagram.
For detailed connections and requirements for the AM2020/AFP1010 master, re-
fer to the AM2020/AFP1010 Voice Alarm Multiplex manual. All connections to the
AMG-1, FFT-7, and ACM–16AT modules are identical to those shown in that
manual.
For detailed connections within each slave System 5000, refer to the Voice Alarm
System5000 manual(eventhough the AMG-1andFFT-7 arephysicallylocated in
the AM2020/AFP1010 master cabinet).
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Figure 2-5 NIB-96 Voice System Block Diagram
(Refer to Table 1-2 for circuit ratings. All connections between panels are
supervised and power limited)
EOL Resistor
Speaker Circuits Telephone Circuits
EOL
Resistor
To additional
Slave S5000
Audio Loop
SLC Loop To NIB-96
Phone
Loop
To
NIB-96
Slave System 5000
Slave System 5000
Master
AM2020/
AFP1010
AA-30/E
or
AA-120/E
AA-30/E
or
AA-120/E
LIB-200,
LIB-200A,
or LIB-400
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Document 15666 Rev. D 9/19/96 13
8 7 6 5 4 3 2 1 6 5 4 3 2 1
Earth Ground
Earth Ground
SLC P5 EIA-485 P4
EIA-485
Loop OUT
+ - EIA-485
Loop IN
+
-No
Connection
TROUBLE LED (Yellow)
Lights during loss of communications
on EIA-485 or SLC loop.
EIA-485 ON-LINE LED (Green)
Blinks during communication with
the slave FACP.
SLC ON-LINE LED (Green)
Blinks during communication
with the master FACP.
SLC START ADDRESS
Switch
Set to 01 through 99. (Note
that the sum of ADDRESS
and SIZE may not exceed 99.)
SLC and EIA-485 Connections
All connections are power-limited and
supervised. See Sections 3, 4 and 5 for
details on connection requirements. See
diagram below for terminal assignment.
POWER IN connection to Main Power Supply
(if not mounted in ICA-4/4L).
POWER OUT connection to other equipment.
NIB POWER
REQUIREMENTS: 24VDC power-limited
Standby: 22mA
Alarm: 22mA
SLC
Loop OUT
- shield +
POWER CONNECTOR for
the AM2020/AFP1010 slave.
Note: The EIA-485 circuit requires a serial connection. Connect only one wire to
each screw terminal.
SLC
Loop IN
- shield +
Section Three:
Network Interface Board Description
SIZE Select Switch
Select number of
points monitored on the
slave panel. Set to 1
through 8. See size
settings on page 15.
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Section Four:
System 5000 Slave Installation
Mechanical Installation
In a System 5000 slave, the NIB mounts beneath the third and fourth modules, to
the right of the CPU. The NIB fastens to the base of the CHS-4 chassis using three
hexstandoffs (provided),whicharescrewed ontothreePEM studs. TheNIBis then
attached to the standoffs using the mounting screws provided. SeeFigure 4-1.
Electrical Installation
Connect the main power harness from the MPS power supply to P3 the NIB. Con-
nectthe shortpowerharness (provided)fromP2 on theNIBto theCPU-5000. See
Figure 4-2 for wiring diagram and all terminal assignments.
Connect the EIA-485 annunciator signal from the two-terminal connector on the
lower CPU board (TB-2) to the NIB EIA-485 IN terminals.
Connect the SLC loop from an AIM-200 module in the master System 5000 to the
SLC input terminals. The NIB can support a very large slave System 5000 (88
points in addition to the eight points on the CPU) and use almost all of the SLC
module capacity (96 out of 99 maximum). Alternately, several smaller slave Sys-
tem 5000s can be supported by a single multi-drop SLC. For example, six System
5000 slaves, each with eight initiating zones, could be monitored and controlled by
one SLC.
CHS-4
Step 1 Step 2
NIB-96
NIB CHS-4
Figure 4-1 Mounting the NIB
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CPU-5000
Figure 4-2 Wiring the NIB/System 5000 Slave Network
(Refer to Table 1-2 for circuit ratings)
SIZE Setting Table
(Printed in the lower
left-hand corner of
the NIB-96 board.)
P2
MPS-24A/E or
MPS-24B/E
EIA-485 Loop
OUT to other
annunciators
(if used)
Main Power
Harness
#71086.
Main Power Harness
(P/N 75099)
P2
P3
NIB-96
EIA-485 Loop
- +
TB2
J7
SLC Loop INSLC Loop OUT
Size Settings
The rotary decimal SIZE switch on the NIB sets the capacity of the System 5000.
The size corresponds to the number of slave circuits that the master control panel
willmonitor asindividualpoints.The SIZEofthe System 5000isusually eight times
the number of modules installed, including the CPU.
Note: All connections shown are
power limited
Switch Setting No. of Points
18
216
324
432
540
648
756
864
980
096
Terminal Assignments
SLC Loop IN
From: AIM-200 SLC Loop Out
To: NIB-96 P5 terminals 1(+) and 3(-)
EIA-485 Loop IN
From: CPU-5000 TB2 terminals 2(+) and 1(-)
To: NIB-96 P4 terminals 5(+) and 3(-)
SLC Loop Out
From: NIB-96 P5 terminals 5(+) and 7(-)
To: Next device on SLC Loop
EIA-485 Loop OUT
From: NIB-96 P4 terminals 6(+) and 4(-)
To: Next device on EIA-485 Loop
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The total of START ADDRESS and the number of points in the Slave panel minus
1 cannot exceed 96.
[(START ADDRESS) + (# of points in SLAVE) - 1] < 96
DIP Switch Settings
Refer to Table 1-3 for switch descriptions and settings.
System 5000 Slave Programming
The programming rules listed below must be followed:
1. SWITCH INHIBIT may not be used.
2. ANNUNCIATOR INSTALL must be set to one of the following positions:
• 1-64 points if the NIB size is set to 64 or less.
• 64-128 points if the NIB size is set to 80 or 96 points.
3. ANNUNCIATOR MODE must be set to “Output Control”
4. Remote annunciators used with the slave System 5000 must be set to Re-
ceive-only.
I/O Mapping
For I/O mapping of notification circuits and relays as a function of initiating circuits,
the System 5000 must be programmed as follows:
1. If the network system is to be controlled by the master control panel, and
have alarms from one slave activate output circuits in a different slave, do
not program any I/O map in the slave System 5000. Perform all control-by-
event mapping in the Master control panel.
2. If the system does not require that the master control panel activate output
circuits in the slave panels, then program all I/O mapping into the slave
System 5000 and do not program any mapping into the master control
panel.
Programmingof control-by-eventmappinginto both themasterand theslaveis not
allowed because of the possibility of installer error and program mismatch.
SW2:
SIZE Switch
SW3 and SW4:
START ADDRESS
Switches
Start Address Setting
Set the START ADDRESS switches to the desired
address from the master SLC loop. The NIB–96 will
assume all module addresses from [START AD-
DRESS] to [START ADDRESS + SIZE].
If the master is a System 5000 AIM Module, only ini-
tiating devices can be installed above address 59.
Addresses 60 and above IZM-8 circuits.
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Step 1 Step 2
NIB-96
NIB CAB500
Figure 5-1 Mounting the NIB
NYLON
ALUM.
Section Five:
System 500 Slave Installation
Mechanical Installation
In a System 500 slave, the NIB mounts beneath the third (right-most) module. The
NIBfastens totheback of theboxusing threehexstandoffs (one aluminumandtwo
nylon provided), which are screwed into the three female PEM nuts as shown. The
NIB is then attached to the backbox with the screws provided. See Figure 5-1.
Electrical Installation
Connect the main power harness from the System 500 power supply to P3 on the
NIB. Connect the power harness provided with the NIB from P2 on the NIB to the
CPU–500. See Figure 5-2 for wiring diagram and all terminal assignments.
Connect the EIA-485 annunciator signal from the two-terminal connector on the
lower CPU board (TB-2) to the NIB EIA-485 IN terminals.
Connect the SLC loop from an AIM-200 module in the master System 5000 to the
SLC input terminals. One SLC loop can support six System 500 slaves, each with
eight initiating zones, or three System 500s with 16 initiating zones.
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Figure 5-2 Wiring the NIB/System 500 network
(Refer to Table 1-2 for circuit ratings)
SW2:
SIZE Switch
SW3 and SW:
START ADDRESS
Switches
MPS-24BPCA
P2
Main Power Harness
#75099.
NIB-96
CPU-500 - +
TB2
EIA-485 Loop
EIA-485 Loop OUT
Main Power Harness
SLC Loop from AIM-200 in System 500
Size Settings
Set the rotary decimal SIZE switch on the NIB to the capacity of the System 500.
TheSIZE oftheSystem500 canbe8 (eight CPUpointsonly), 16 (eightCPUpoints
and eight zones) or 24 (eight CPU points and 16 zones). Normally the SIZE switch
is set to 1,2 or 3. However, if the master panel must
control the output of IC-4L/ICR-4L modules, the
SIZE switch should be set to 6 (one IC-4L/ICR-4L
using points 41-44) or 7 (two IC-4L/ICR-4L using
points 41-44 and 49-52). Note that setting the
SIZE switch to 6 or 7 will result in a substantial
loss of usable system point capacity since several
intermediate points (i.e. 25 to 40) are lost.
Note: All connections shown are
power-limited
Terminal Assignments
SLC Loop IN
From: AIM-200 SLC Loop Out
To: NIB-96 P5 terminals 1(+) and 3(-)
EIA-485 Loop IN
From: CPU-5000 TB2 terminals 2(+) and 1(-)
To: NIB-96 P4 terminals 5(+) and 3(-)
SLC Loop Out
From: NIB-96 P5 terminals 5(+) and 7(-)
To: Next device on SLC Loop
EIA-485 Loop OUT
From: NIB-96 P4 terminals 6(+) and 4(-)
To: Next device on EIA-485 Loop
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Start Address Settings
The START ADDRESS switches are set for the desired address from the master
SLC loop. The NIB will answer all module addresses from START ADDRESS to
(START ADDRESS + SIZE).
The total of START ADDRESS plus SIZE MINUS 1 must be 96 or less for the
NIB to operate.
(START ADDRESS) + (SIZE-1) < 96
DIP Switch Settings
Refer to Table 1-3 for switch descriptions and recommended settings.
System 500 Programming
The programming rules listed below must be followed:
1. ANNUNCIATOR INSTALL must be enabled.
2. Remote annunciators may be connected to the slave System 500 if they
are set to Receive-only.
I/O Mapping
For I/O mapping of notification circuits and relays as a function of initiating circuits,
the System 500 must be programmed as follows:
1. If the network system is to be controlled by the master control panel, and
have alarms from one slave activate output circuits in a different slave, do
not program any I/O map in the slave System 500. Perform all control-by-
event mapping in the Master control panel.
2. If the system does not require that the master control panel activate output
circuits in the slave panels, then program all I/O mapping into the slave
System500 and donotprogramanymapping into themastercontrolpanel.
This method is recommended for all System 500 installations containing
an IC-4L or ICR-4L module.
Programmingof control-by-eventmappinginto both themasterand theslaveis not
allowed because of the possibility of installer error and program mismatch.
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Section Six:
AM2020/AFP1010 Slave Installation
Mechanical Installation
In an AM2020/AFP1010 slave, the NIB may be plugged into a slot on the ICA-4/4L
chassis. If the AM2020/AFP1010 is in an A-size cabinet (only one ICA-4/4L) the
NIB mounts beneath the CPU or the SIB. If a second or third ICA-4/4L chassis is
available, it is recommended that the NIB should be mounted in one of the two
upper slots to permit easy access to NIB wiring and switch settings. Note that the
NIBmechanically eliminates oneLIBposition and, insomeinstances, could require
the installation of an additional chassis. As an alternative, the AM2020/AFP1010
may use a CHS-4 chassis to mount the NIB. See Figure 4-1 for mounting the NIB
in a CHS-4 chassis.
Note also that the AM2020/AFP1010 does not require that LIB boards be installed
in consecutive positions. For example, in a 5-loop system, the NIB could be in-
stalledin LIBposition3 (upperleftof second chassis),withLIBs inallother slots.In
this case, the AM2020/AFP1010 would be programmed for loops 1, 2, 4, 5, and 6.
In some slave AM2020/AFP1010 applications, it may be necessary to install more
than one NIB. The NIB can be configured so that up to 4 may be installed, com-
pletely filling an ICA-4/4L chassis.
or
Figure 6-1 Mounting the NIB in an ICA-4/4L Chassis
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