PXML No. 63
APPROVAL No. S/1000/GF/1981/PRSee also Herald C
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Herald/Pentara telephones
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Herald
A & l00B stored programme control Call Connect Systems were configured as a Keysystem
or PBX in a Herald Assembly Centre using the Herald Software Support System (H3S). H3S
software run on an early computer called a RAIR black box and used CPM as the DOS
operating system.
The Herald l00B system, which was introduced nationally in April 1983 (Herald A was introduced in 1980), uses the B5
processor which differs from the Herald A processor as follows.
- A single processor replaces the A processor and Memory Extension ASU's with increased
memory capacity.
- Provides additional Operator facilities:-
Answer Internal, Call offer, Night Service, Reverted Calls and Withdraw.
- Provides additional system facilities:-
Change in the extension Class of Service giving more flexibility for Call Barring and Call
Logging capability.
- One second time delay introduced for Answer Exchange button operation.
Herald A and l00B systems can be upgraded to provide Pentara Plus facilities by changing
the top control shelf (Pentara Kit 1A/P). The customers data base and interface cards can
be transferred from the A or l00B system direct into the replacement Pentara Plus control
shelf on site without the need for a workshop visit or a data transfer over line.
The Cord Connection/s (l00W) moved from the old to new shelf and the system powered up and
commissioned. The customer now has near identical circuit layout on terminals as previous,
but Pentara Plus facilities. i.e. no `Lamps on/off' facility in Pentara which existed in
Herald A/l00B.
The system can be tailored on site to meet the customer requirements. If facilities such
as Display Terminals and Subscriber Private Metering are required, then the extension and
exchange line interface cards will also need upgrading to the latest issue.
Standby power cannot be provided at Herald A, l00B or B8 systems, but is available for
systems upgraded to Pentara Plus. If extension shelves are fitted it will also be
necessary to upgrade the power units in those shelves to ASU/1A1/SA20554. These PSUs
contain the necessary connection for the standby battery shelf.
It should be noted that Herald A-100B systems upgraded to B8 cannot be further upgraded as
described above.
The upgrade path of a B8 system that has been HDS configured is as follows:-
- Create a new customers data base on PDS at the Herald Data Entry workshop. (note. At
present the existing data base cannot be edited).
- Use normal method to enter PDS customer data into new CPU.
- Change the top shelf i.e. provide and fit Pentara Plus Control Shelf.
- Provide Auxiliary Box Connection 337A for Z lead connections.
- Fit the loaded 256K CPU and interface cards into new control shelf. The position of the I/F cards is detailed in the Pentara Documentation system (PDS)
provided by the Data Entry workshop.
- If all Pentara facilities are required then the I/F cards and PSUs must be of the
latest type.
- Move the jumper wires within the Box Connection as necessary. It may be easier to
recover the existing jumpers and provide new.
- Power system up. Test and commission system.
From mid 1989 onwards it is anticipated that the upgrade path for B8 and C systems will be
similar to that of the Herald A/l00B.
B8 Systems that were "self configured" are easier to upgrade than "HDS
configured" systems. The control shelf has to be changed, an auxiliary Box Connection
provided and the interface cards moved from the old to the new shelf keeping the same
order. The programming plug is then inserted into the PBX or Keystream position to load
the system data base. Completion of `Self Configuration' is indicated when the CPU LED
darkens. All that is now required is to test and commission the system.
Made by Philips TMC Limited.
Herald A & l00B are approved for direct or indirect connection to the PSTN using LD or
MF4 signalling by working as a (List B) subsidiary system connected to a (List C) PBX.
Recall can be Earth Loop or Timed Break.
Herald A was generally supplied with Herald HS or HL
terminals. Although a 2 wire extension card was available, the system was sold
BT as a keysystem.
APPROVED SOFTWARE LEVELS
Herald A Processor ASU 1A1/SA 20001 are:-
Version D with IC31 marked 10.3.82
Herald l00B B5 Processor ASU 1A1/SA 20050 are:-
Version 5.9 ICs 14, 16 and 21 Marked V5.9
Version 5.A ICs 14, 16 and 21 Marked V5.A
Herald B8 Processor ASU 1A1/SA 20551 are:-
Version 8.3B
Version 8.4
Version 8.4A
Version 8.4C
Version 8.4D
Version 8.4E
Call Logging ASU 1A1/SA20572:-
Version 2.5
Version 2.7 (IC22 marked V2.5, V2.7 or V2.8)
Version 2.8
Speech Synthesis Card SA 20567:-
Version 3.1 (IC 3 marked V3.1)
Version 1.0 (IC 7 marked V1.0)
Version 1.2 (IC 7 marked V1.2)
Music on Hold Card SA 20568:-
Version 3.0 (IC 1 marked V3.C1)
Version 1.11 (The Entertainer) (IC 7 marked V1.0)
Version 2.0 (Greensleeves) (IC 7 marked V2.0)
Where necessary self configured systems should be configured to "Software Option
Package" SOP 1 or SOP 2 as appropriate, and H35 and HDS configured systems should be
loaded with the customer data held at the Herald Data Entry workshop.
Herald/Pentara was a BT portfolio product.
HERALD 100B - NEW FACILITIES
NS315 - June 1983
ANSWER INTERNAL
CALL LOGGING
CALL OFFER
NIGHT SERVICE
REVERTED CALLS
SINGLE DIGIT DIAL UP CODE TO OPERATOR
INTER PBX EXTENSION WORKING
TRANSFER
TRANSFER DIAL TONE TO EXTENSION
ANSWER INTERNAL
This facility shall allow calls from any extension to be answered by pressing an ANSWER INTERNAL key at the Operator’s position.
Incoming internal calls which may or may not have an associated named intercom button are answered by pressing the “ANSWER INTERNAL” function button at the Operator’ s position.
Where more than one incoming call is present then each shall be answered in order of arrival. As the operator clears after each successive call the calling signal shall be reapplied for any internal call still waiting to be answered.
The operator shall be able to clear from a call by pressing the “ANSWER INTERNAL” button, in which case the next internal caller shall immediately be connected.
Where “ANSWER EXCHANGE” and “ANSWER INTERNAL” are both provided then it is desirable that the audible signal for simultaneous incoming internal and external calls shall be of internal cadence. The operator shall then have the choice of which group to
de-queue by pressing the appropriate key.
CALL LOGGING
The system shall provide a V24 output port to enable external Call Logging equipment such as a printer or call analysis equipment to be connected to the system. The port shall provide details of calls from extensions to trunk lines and their dialled digits, time and duration.
CALL OFFER
This facility shall supplement the existing intrude facility, which is unchanged, and shall allow an operator to enter into an established external call and speak to the existing parties.
The operator shall key or dial the required extension and shall receive busy tone if that extension is engaged. It shall then be possible for the operator to intrude on the existing callers by pressing the CALL OFFER function button.
A warning tone shall be superimposed on the three party conversation to indicate that the call is being intruded upon.
If the operator then goes on hook, the remaining parties shall resume the status of an established call and any warning tone shall be removed.
NIGHT SERVICE
This facility shall enable incoming exchange line calls at the operator’s position to be diverted to alternative answering locations when the operator’s position is unattended.
The operator’s position shall be provided with a NIGHT SERVICE function button.
Successive operations of this button shall cause the function to be switched on or off.
When the night service function is switched on then all exchange line calls normally appearing on the operator’s position shall be diverted to ring at a group of night service extensions.
The night service facility shall divert all exchange lines at the operator’s position whether they be “totally exclusive”, “normally exclusive” or “shared”.
At any night; service extension the user shall be free to answer an incoming night. service call by lifting the handset whilst the extension is ringing with external cadence. The incoming caller shall then be connected to the extension user.
At extensions other than those in the night service group, the extension user shall be free to answer an incoming call by lifting the handset, and keying 8 whilst listening to internal dial tone. Should the call have already been answered the system shall return busy tone.
Audible and visual signals shall continue unchanged at the operator’s position when the night service function is switched on.
REVERTED CALLS
The system shall provide a Reverted Calls key at the operator’s position to indicate that a call has been reverted to the operator following the time out of the camp on busy or ringing facility.
Reverted calls shall cause the LED associated with the Reverted calls key to flash. The operator shall be connected to the reverted caller upon pressing the key. If more than one call is reverted simultaneously the facility shall cause the callers to he
de-queued for each depression of the Reverted Calls key.
SINGLE DIG1T DIAL UP CODE TO OPERATOR (0)
The system shall provide for single digit dial up access from internal extensions to the operator.
The system shall recognise a nominated extension as being the operator’s position.
Dialling the operator access code shall be recognised by the system both for internal cal Is to the operator and for programming the operator as a nominated extension.
INTER PBX EXTENSION WORKING
The system shall permit the operator or extension user to transfer exchange line calls over an inter PBX Extensions to a distant extension. The called extension shall be required to answer before the transfer is completed.
It shall not be possible to transfer incoming private circuit calls to an exchange I inc.
TRANSFER
This facility shall allow the operator to transfer an external trunk call to another extension.
Three forms of transfer are required - transfer after Called Subscriber answered, transfer on
ringing and transfer on busy.
In order to initiate a transfer the operator shall place the call into the HOLD state and then make an intercom call to any other extension.
On receiving ring tone or busy tone the operator shall have a choice of actions as
follows:-
Ring tone returned: The operator may EITHER listen until the required extension answers, replace his handset and the call shall then be transferred as required OR the operator may press the WITHDRAW key whilst listening to. return ringing and the caller shall be camped on ringing to be transferred when the required
extension answers. The system shall return dial tone to the operator after pressing the WITHDRAW key.
Busy tone returned: The operator may EITHER press the cradle switch and the HOLD button to inform the caller that the required extension is busy, OR may press the WITHDRAW key whilst listening to busy tone and the caller shall he camped on busy to be transferred on ringing when the required extension becomes free. The system shall return dial tone to the operator after pressing the WITHDRAW key.
If whilst camped on ringing or busy, the called extension does not answer or become free within 30 seconds the call shall
revert to the operator (on the REVERTED CALLS key) and shall cancel the camp on busy or camp on ringing. If the caller become free during the 30 second camp on busy period, the call shall ring the extension for a minimum of 10 seconds.
If during the period of being camped on busy the required extension becomes free, the extension shall begin ringing and the caller shrill then be camped on ringing. When answered the caller shall be connected to permit the caller and required extension user to converse. If however, after becoming free the required extension does not; answer within 30 seconds the
caller shall be reverted to the operator in the normal manner.
If the call is reverted to the operator the call shall flash the REVERTED CALLS lamp and shall be answered by pressing that key.
The enquiry call shall ring the required extension with internal cadence. When the operator CAMPS the caller onto an unanswered extension, the call shall be placed at the end of any queue of transferring calls, but before the queue of any external calls ringing at the called extension. The cadence shall also change to external cadence.
The facility to transfer on ringing or busy shall not be permitted for transferred internal calls or private circuit calls. In these cases the operator shall have to wait until the required extension answers.
All transferred calls shall be subject to Divert if the required extension is in that state.
The transfer procedure shall be capable of repeated use on any one call.
There shall be no restriction on the number of calls in the process of being transferred at any one time
Control of the call shall be transferred with that call.
TRANSFER DIAL TONE FROM OPERATOR’S POSITION
The system shall allow the operator to transfer an external interface dial tone to an extension user and to override any normal barring arrangements at that extension in order that the extension user may make a single external call.
The operator shall put the extension user into HOLD and the select on interface by dialling 9 or pressing a dedicated line button. The operator shall then go on hook and the dial tone shall be transferred to the extension user.
This facility shall also allow the operator to select an external line (and overcome any barring arrangements) when an extension user calls the operator to request a line. The operator shall put the extension in hold and then select a line. When the operator hangs up the extension user shall receive external dial tone and shall be free to make a single call.
OPERATOR POSITION CONFIGURATION
A Herald HL terminal shall be provided as an Operator’s position.
The Operator’s position shall provide the following facilities:-
- De-queuing of external and internal calls.
- Hold
- Intrusion (Call Offer)
- Keyed Access to Extensions
- Named Intercom
- Night Service
- Optional Headset Operation
- Recall Parent Exchange
- Repeat Last number
- Repertory Dial
- Reverted Calls
- Sounder On/Off
- Inter PBX Extension Working
- Transfer of calls
- Transfer Dial Tone to extensions
- Trunk Access
The Operator’s position shall be configured by the system shown below:-
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NAMED INTERCOM |
NAMED INTERCOM |
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NAMED INTERCOM |
NAMED INTERCOM |
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NAMED INTERCOM |
NAMED INTERCOM |
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NAMED INTERCOM |
NAMED INTERCOM |
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NAMED INTERCOM |
NAMED INTERCOM |
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NAMED INTERCOM |
NAMED INTERCOM |
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NAMED INTERCOM |
NAMED INTERCOM |
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NAMED INTERCOM |
NAMED INTERCOM |
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NAMED INTERCOM |
NAMED INTERCOM |
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SOUNDER ON/OFF |
NIGHT SERVICE |
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CALL OFFER |
REVERTED CALLS |
CALL/CLEAR |
WITHDRAW |
ANSWER EXCHANGE |
ANSWER INTERNAL |
All the Named Intercom keys shall be reconfigurable as LINE keys, PRIVATE CIRCUIT keys, or facility keys by means of the
inter-active installation programme (H33).
The following equipment is available for a system upgrade to Pentara Plus:-
ITEM DESCRIPTION BT ITEM CODE
Pentara Kit 1A/P Comprising (Version l0.0 Upgrade) 375525
Herald Eqmt Unit SA 20560 Control Unit 374741
ASU 1A1/SA 20579 (256K CPU) 375526
ASU 1A1/SA 20553 (CPSU) 374714
Cord Connection D94196 512215
Cord Connection D95487
Box Connection 337A (Aux box for connecting Z lead) 375547
ASU 1A1/SA 20557 4W Extn LIF-4-Ccts 374717
ASU 1A1/SA 20558 Exch line LIF 2 Ccts F/F 374715
Battery Shelf 1/SA 20573 Contains Alarm Card 374742
Battery Secondary No. 30 For use with Batt Shelf 374743
ASU 1A1/SA 20554 Extn Shelf PSU 374713
The following equipment is available for the extension of Herald A, l00B
and B8 systems
ASU 1A1/SA 20006 4W Extn I/F-4 Ccts 373279
ASU 1A1/SA 20007 2w Extn I/F-8 Ccts 373280
ASU 1A1/SA 20556 2w Extn I/F-8 Ccts 374718
ASU 1A1/SA 20557 4W Extn I/F-4 Ccts 374717
ASU 1A1/SA 20008 Exch line I/F 2 Ccts 373281
ASU 1A1/SA 20558 Exch line I/F 2 Ccts F/F 374715
ASU 1A1/SA 20559 Exch line I/F 4 Ccts 374716
ASU 1A1/SA 20010 SSDC 5/10 PBX I/F 2 Ccts 373282
ASU 1A1/SA 20555 SSAC 15 PBX I/F 1 Cct 374720
ASU 1A1/SA 20011 External Conf Unit 374744
ASU 1A1 SA 20565 Options Mother Board 374721
ASU 1A1 SA 20572 Call Logging Unit 374726
Card SA 20566 MF4 Option 374722
Card SA 20567 Speech Synthesis Option 374719
Card SA 20568 Music on Hold Option 374723
Card SA 20569 Modem Option 374724
Card SA 20571 Broadcast Option 374725
Amplifier & Loudspeaker 13A (amp for TX5l/52) 373283
TX 52 3/SA 20014 Brn/Lt Brn Power Fail 411015
TX 52 3/SA 20014 Stone Power Fail 375236
TX 55A Stone Term with 7 Butts 375166
TX 56A Stone LS Term with 7 Butts 375168
TX 57A Stone LS Term with 18 Butts 375170
TX 58A Stone LS/Display with 18 Butts 375172
The following equipment was available for maintenance. Some items are now
only available as repaired or refurbished equipment.
Herald Kit SBS No 1 Control Shelf & Equipment 373276
Herald Kit SBS No 2 Extn Shelf & Power Unit 373277
Equipment SBS 1/SA 20000 Control Shelf 373285
Equipment SBS 2/SA 20000 Extn Shelf 373286
ASU 1A1/SA 20001 A Processor 373287
ASU 1A1/SA 20002 Memory Extn Board 373278
ASU 1A1/SA 20550 B8 Processor 374507
ASU 1A1/SA 20551 B8 Processor V8.3A 374711
ASU 1A1/SA 20551-1 B8 Processor V8.4 375161
ASU 1A1/SA 20003 Tone Generator 373288
ASU 1A1/SA 20007 2W Extn I/F 8 Ccts 373280
ASU 1A1/SA 20556 2W Extn I/F 8 Ccts 374718
ASU 1A1/SA 20006 4W Extn I/F 4 Ccts 373279
ASU 1A1/SA 20557 4W Extn I/F 4 Ccts 374717
ASU 1A1/SA 20558 Exch Line I/F 2 Ccts F/F 374715
ASU 1A1/SA 20008 Exch Line I/F 2 Ccts 373281
ASU 1A1/SA 20559 Exch Line I/F 4 Ccts 374716
ASU 1A1/SA 20010 SSDC 5/10 PBX I/F 2 Ccts 373282
ASU 1A1/SA 20555 SSAC 15 PBX I/F 1 Cct 374720
ASU 1A1/SA 20011 Extnl Conf Unit 374744
ASU 1A1/SA 20565 Options Mother Board 374721
ASU 1A1/SA 20572 Call Logging Unit 374726
Card SA 20566 MF4 Option 374722
Card SA 20567 Speech Synthesis Option 374719
Card SA 20568 Music on hold Option 374723
Card SA 20569 Modem Option 374724
Card SA 20571 Broadcast Option 374725
ASU 1A1/SA 20554 Extn Shelf PSU 374713
ASU 1A1/SA 20013 Extn Shelf PSU 373284
ASU 1A1/SA 20005 DC/DC PSU 373289
Amp & Loudspeaker 13A (Waiting amp for TX51/52) 373283
Tele 4/SA 20012 TX 51 D/L Brn 411027
Tele 4/SA 20012 TX 51 GY/L BN 411028
Tele 4/SA 20012 TX 51 Grey 411029
Tele 4/SA 20012 TX 51 Grey 411030
Tele 6/SA 20012 TX 51 DL Brn 374246
Tele 6/SA 20012 TX 51 GY/L Brn 374247
Tele 6/SA 20012 TX 51 GY/OR 374248
Tele 6/SA 20012 TX 51 GY/GY 374249
Tele 2/SA 20561 TX 51 D/L Brn (HIT) 374727
Tele 2/SA 20561 TX 51 GY/L Brn (HIT) 374728
Tele 2/SA 20563 TX 53 D/L Brn (LST HIT) 374731
Tele 2/SA 20563 TX 53 GY/L Brn (LST HIT) 374732
Tele 2/SA 20014 TX 51 D/L Brn (Power Fail) 41O556
Tele 2/SA 20014 TX 51 GY/L Brn (Power Fail) 410557
Tele 2/SA 20014 TX 51 GY/OR (Power Fail) 410558
Tele 2/SA 20014 TX 51 GY/GY (Power Fail) 410559
Tele 4/SA 20014 TX 51 D/LBN (Power Fail) 411019
Tele 4/SA 20014 TX 51 GY/L Brn (Power Fail) 411020
Tele 4/SA 20014 TX 51 GY/OR (Power Fail) 411021
Tele 4/SA 20014 TX 51 GY/GY (Power Fail) 411022
Tele 3/SA 20012 TX 52 DL Brn 411023
Tele 3/SA 20012 TX 52 GY/L Brn 411024
Tele 3/SA 20012 TX 52 GY/OR 411025
Tele 3/SA 20012 TX 52 GY/GY 411026
Tele 5/SA 20012 TX 52 DL Brn 374242
Tele 5/SA 20012 TX 52 GY/L Brn 374243
Tele 5/SA 20012 TX 52 GY/OR 374244
Tele 5/SA 20012 TX 52 GY/GY 374245
Tele 1/SA 20014 TX 52 DL Brn (Power Fail)) 410552
Tele 1/SA 20014 TX 52 GY/L Brn (Power Fail) 410553
Tele 1/SA 20014 TX 52 GY/OR (Power Fail) 410554
Tele 1/SA 20014 TX 52 GY/GY (Power Fail) 410555
Tele 3/SA 20014 TX 52 DL Brn (Power Fail) 411015
Tele 3/SA 20014 TX 52 GY/L Brn (Power Fail) 411016
Tele 3/SA 20014 TX 52 GY/OR (Power Fail) 411017
Tele 3/SA 20014 TX 52 GY/GY (Power Fail) 411018
Tele TX 54 Brown Operators Term 374733
Tele TX 54 Stone Operators Term 391286
Tele TX 55 Brown Term with 7 Butts 374946
Tele TX 55 Stone Term with 7 Butts 374947
Tele TX 56 Brown LS Term 7 Butts 374948
Tele TX 56 Stone LS Term 7 Butts 374949
Tele TX 57 Brown LS Term 18 Butts 374942
Tele TX 56 Stone LS Term 7 Butts 374949
Tele TX 57 Brown LS Term 18 Butts 374942
Tele TX 57 Stone LS Term 18 Butts 374943
Tele TX 58 Brown LS Term 18 Butts & Display 374944
Tele TX 58 Stone LS Term 18 Butts & Display 374945
Tele TX 54A Stone Operators Term 375256
Tele TX 55A Stone Term with 7 Butts 375166
Tele TX 56A Stone LS Term 7 Butts 375168
Tele TX 57A Stone LS Term 18 Butts 375170
Tele TX 58A Stone LS Term 18 Butts & Display 375172
tele TX 54A Grey Operators Term 375531
Tele TX 55A Grey Term with 7 Butts 375527
Tele TX 56A Grey LS Term with 7 Butts 375528
Tele TX 57A Grey LS Term with 18 Butts 375529
Tele TX 58A Grey LS/Display with 18 Butts 375530
cable Connection 1/D94l91 34W Ribbon Cable 1st shelf 435857
Cable Connection 1/D94192 40W Ribbon Cable 1st shelf 435858
cable Connection 3/D95488 Batt Harness 3rd Shelf 391275
Cable Connection 1/D95003 Cable Form B/C 330A/331A 374520
Cable Connection 2/D95003 Cable Form B/C 331A 374521
Cord Connection D/94196 100W, 3000mm Cord 512215
Cord Connection D/94195 240v Mains interconnect 512222
Adapter 60A. Impedance matching module
Adapter 61A. Impedance matching module 391293
Kit 705A. Overvoltage Protection Module 391319
FUSES
Power Unit 1A1/SA 20554 No field replaceable fuses.
Power Unit 1A1/SA 200l3 FS1 72/3.15
FS2 and FS3 73/5
FS4 72/0.25
Mains Plug fuse 7 Amp (Standard Type)
Tone Unit 1A1/SA 20013 FS1 and FS2 73/3.15
TESTERS
ITEM BT Item Code
Testers 364A (formerly Herald Audio Tester) 314566
Card test 4B (Highway Tester) 314700
Test Access Unit 8A (Now obsolete, superseded-by) 314300
Modem Card SA 20569 or 374724
Datelphone 4122 or 251493
Datel Modem 4124X 251583
Datel Unicase 4001HX for Datel Modem 4124X 251630
ADDITIONAL INFORMATION
Traffic capacity of any size of system is 20 simultaneous calls.
Traffic through any size system should not exceed 12 Erlangs.
When a Herald A or l00B is upgraded on-site to Pentara Plus, it is essential that the
interface cards are moved to the new shelf in the precise manner as indicated below.
Herald Pentara + Plus
1/5 1/2
1/6 1/3
1/7 1/4
1/8 1/5
1/9 1/6
The reasons for this are:-
1. With an A/l00B upgrade the CPU allocates port facilities as determined from the
original data held within the existing CPU. 2. The Box Connection jumpering is compatible
with the revised data
entered into the new CPU, therefore no adjustments are required.
If any of the following options are required, insert the appropriate cards as follows:-
ITEM SLOT
Option board 1/7 1 to 3 MF4 receivers
Option board 1/8
Circuit A - Speech synthesis card
Circuit B - Broadcast card
Circuit C - Modem card
Call logging/RTclock 1/9
Reconnect the 100-way cables as follows:-
PLA on A/B5 to PLZ Pentara
PLB on A/B5 to PLA
PLB to auxiliary Box Connection 337A
PARTS LIST
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