Valcom Intercom System VSP V 2925A User Manual

VSP-V-2925A  
Issue 3  
TALKBACK INTERCOM SYSTEM  
V-2925A - ADD ON EXPANSION UNIT  
FOR THE V-2924A  
The basic V-2924A Talkback Intercom System provides 24 stations with one-way, two-way, group call and all call  
pages. The V-2925A Expansion Unit is an add on unit for the V-2924A. Each V-2925A Expansion Unit will  
expand the V-2924A by twenty-four (24) additional stations. Up to three (3) Expansion Units can be added to a  
system for a total of 48, 72, or 96 zones of paging.  
The V-2925A can ONLY be used with the V-2924A. If you have the V-2924 model, please contact Technical  
Support for assistance.  
WARNING: Disconnect main power before servicing.  
Mounting  
Plug the Expansion Unit into the Control Unit. For the first Expansion Unit, insert the P1 connector from the  
Expansion Unit into the P8 connector on the Control Unit (Refer to Figure 1 for location of connectors). (For  
each additional Expansion Unit, insert P2 into P1 – Refer to Figure 1 of the Control Unit document).  
Close latches attached to the top and bottom of the Expansion Unit over the keepers on the top and bottom of  
the Control Unit.  
Drill holes into backboard through mounting flanges on the Expansion Unit.  
Insert screws into holes and tighten screws firmly.  
Connections  
Each Expansion Unit requires (2) 66B type punchdown blocks. Mount these on the backboard near the associated  
Expansion Unit. Make connections to the punchdown blocks as specified in Figure 2 – Punchdown Block  
Connections.  
Setting Option Switches  
All options programmed for the Control Unit are available on the additional stations provided by the Expansion  
Units. The only switches on the Expansion Unit requiring attention are those for Background Music. Refer to  
Figure 1 for location and Table 1 for the default values of these switches. Make changes as desired for the various  
zones.  
Dimensions/Weight  
17.5”H x 8.37”W x 3.06”D  
(44.45cm H x 21.26cm W x 7.77cm D)  
11 lbs. (5.0 kg)  
Operation  
Same as Control Unit.  
V-2924A with V-2925A Expansion Unit.  
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FIGURE 2 - PUNCHDOWN BLOCK CONNECTIONS  
Block P3 - Switch Inputs  
*Expansion *Expansion  
Block P4 – Speaker Outputs  
Expansion  
Unit #1  
INA25  
INB25  
INA26  
INB26  
INA27  
INB27  
INA28  
INB28  
INA29  
INB29  
INA30  
INB30  
INA31  
INB31  
INA32  
INB32  
INA33  
INB33  
INA34  
INB34  
INA35  
INB35  
INA36  
INB36  
INA37  
INB37  
Expansion  
Unit #1  
*Expansion  
Unit #2  
*Expansion  
Unit #3  
Unit #2  
INA49  
INB49  
INA50  
INB50  
INA51  
INB51  
INA52  
INB52  
INA53  
INB53  
INA54  
INB54  
INA55  
INB55  
INA56  
INB56  
INA57  
INB57  
INA58  
INB58  
INA59  
INB59  
INA60  
INB60  
INA61  
INB61  
INA62  
INB62  
INA63  
INB63  
INA64  
INB64  
INA65  
INB65  
INA66  
INB66  
INA67  
INB67  
INA68  
INB68  
INA69  
INB69  
INA70  
INB70  
INA71  
INB71  
INA72  
INB72  
N.C.  
Unit #3  
INA73  
INB73  
INA74  
INB74  
INA75  
INB75  
INA76  
INB76  
INA77  
INB77  
INA78  
INB78  
INA79  
INB79  
INA80  
INB80  
INA81  
INB81  
INA82  
INB82  
INA83  
INB83  
INA84  
INB84  
INA85  
INB85  
INA86  
INB86  
INA87  
INB87  
INA88  
INB88  
INA89  
INB89  
INA90  
INB90  
INA91  
INB91  
INA92  
INB92  
INA93  
INB93  
INA94  
INB94  
INA95  
INB95  
INA96  
INB96  
N.C.  
26 W/BL  
BL/W  
27 W/O  
O/W  
28 W/GR  
GR/W  
29 W/BR  
BR/W  
30 W/S  
S/W  
31 R/BL  
BL/R  
32 R/O  
O/R  
33 R/G  
G/R  
34 R/BR  
BR/R  
26 W/BL  
BL/W  
27 W/O  
O/W  
28 W/GR  
GR/W  
29 W/BR  
BR/W  
30 W/S  
S/W  
31 R/BL  
BL/R  
32 R/O  
O/R  
33 R/G  
G/R  
34 R/BR  
BR/R  
T STA25  
R STA25  
T STA26  
R STA26  
T STA27  
R STA27  
T STA28  
R STA28  
T STA29  
R STA29  
T STA30  
R STA30  
T STA31  
R STA31  
T STA32  
R STA32  
T STA33  
R STA33  
T STA34  
R STA34  
T STA35  
R STA35  
T STA36  
R STA36  
T STA37  
R STA37  
T STA49  
R STA49  
T STA50  
R STA50  
T STA51  
R STA51  
T STA52  
R STA52  
T STA53  
R STA53  
T STA54  
R STA54  
T STA55  
R STA55  
T STA56  
R STA56  
T STA57  
R STA57  
T STA58  
R STA58  
T STA59  
R STA59  
T STA60  
R STA60  
T STA61  
R STA61  
T STA62  
R STA62  
T STA63  
R STA63  
T STA64  
R STA64  
T STA65  
R STA65  
T STA66  
R STA66  
T STA67  
R STA67  
T STA68  
R STA68  
T STA69  
R STA69  
T STA70  
R STA70  
T STA71  
R STA71  
T STA72  
R STA72  
N.C.  
T STA73  
R STA73  
T STA74  
R STA74  
T STA75  
R STA75  
T STA76  
R STA76  
T STA77  
R STA77  
T STA78  
R STA78  
T STA79  
R STA79  
T STA80  
R STA80  
T STA81  
R STA81  
T STA82  
R STA82  
T STA83  
R STA83  
T STA84  
R STA84  
T STA85  
R STA85  
T STA86  
R STA86  
T STA87  
R STA87  
T STA88  
R STA88  
T STA89  
R STA89  
T STA90  
R STA90  
T STA91  
R STA91  
T STA92  
R STA92  
T STA93  
R STA93  
T STA94  
R STA94  
T STA95  
R STA95  
T STA96  
T STA96  
N.C.  
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
35 R/S  
10 S/R  
35 R/S  
10 S/R  
36 BK/BL  
11 BL/BK  
37 BK/O  
12 O/BK  
38 BK/G  
13 G/BK  
36 BK/BL  
11 BL/BK  
37 BK/O  
12 O/BK  
38 BK/G  
13 G/BK  
39 BK/BR INA38  
14 BR/BK INB38  
39 BK/BR T STA38  
14 BR/BK R STA38  
40 BK/S  
15 S/BK  
41 Y/BL  
16 BL/Y  
42 Y/O  
17 O/Y  
43 Y/G  
18 G/Y  
44 Y/BR  
19 BR/Y  
45 Y/S  
20 S/Y  
46 V/BL  
21 BL/V  
47 V/O  
22 O/V  
48 V/G  
23 G/V  
49 V/BR  
24 BR/V  
50 V/S  
INA39  
INB39  
INA40  
INB40  
INA41  
INB41  
INA42  
INB42  
INA43  
INB43  
INA44  
INB44  
INA45  
INB45  
INA46  
INB46  
INA47  
INB47  
INA48  
INB48  
N.C.  
40 BK/S  
15 S/BK  
41 Y/BL  
16 BL/Y  
42 Y/O  
17 O/Y  
43 Y/G  
18 G/Y  
44 Y/BR  
19 BR/Y  
45 Y/S  
20 S/Y  
46 V/BL  
21 BL/V  
47 V/O  
22 O/V  
48 V/G  
23 G/V  
49 V/BR  
24 BR/V  
50 V/S  
T STA39  
R STA39  
T STA40  
R STA40  
T STA41  
R STA41  
T STA42  
R STA42  
T STA43  
R STA43  
T STA44  
R STA44  
T STA45  
R STA45  
T STA46  
R STA46  
T STA47  
R STA47  
T STA48  
R STA48  
N.C.  
25 S/V  
N.C.  
N.C.  
N.C.  
25 S/V  
N.C.  
N.C.  
N.C.  
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Table 1 - Background Music Options  
Background Music  
Switch OFF  
Switch ON  
BGM group 1  
BGM group 2  
BGM group 3  
BGM group 4  
Stations  
1-6  
Main Board SW1  
SW1-1  
No BGM group 1  
No BGM group 2  
No BGM group 3  
No BGM group 4  
7-12  
SW1-2  
13-18  
19-24  
SW1-3  
SW1-4  
Expansion Board 1:  
SW1-1  
25-30  
31-36  
37-42  
43-48  
No BGM group 5  
No BGM group 6  
No BGM group 7  
No BGM group 8  
BGM group 5  
BGM group 6  
BGM group 7  
BGM group 8  
SW1-2  
SW1-3  
SW1-4  
Expansion Board 2:  
SW1-1  
49-54  
55-60  
61-66  
67-72  
No BGM group 9  
No BGM group 10  
No BGM group 11  
No BGM group 12  
BGM group 9  
BGM group 10  
BGM group 11  
BGM group 12  
SW1-2  
SW1-3  
SW1-4  
Expansion Board 3:  
SW1-1  
73-78  
79-84  
85-90  
91-96  
No BGM group 13  
No BGM group 14  
No BGM group 15  
No BGM group 16  
BGM group 13  
BGM group 14  
BGM group 15  
BGM group 16  
SW1-2  
SW1-3  
SW1-4  
Table 2 - Numbering Plan  
2 Digit Zone Access:  
Dial Code  
Function  
10..33  
34..57  
58..81  
82..99 *  
Handsfree speakers - Main board  
Handsfree speakers - Expansion board 1  
Handsfree speakers - Expansion board 2  
Handsfree speakers - Expansion board 3 (1st 18 sta.)  
"**" during hf to  
zone 30,31,32, or 33  
Operate relay for longer of 2.5 seconds or duration of  
second press, or until attendant releases hf.  
(Station 1 = code 10, station 2 = code 11, and so on)  
3 Digit Zone Access:  
Dial Code  
Function  
101..124  
125..148  
149..172  
173..196  
Handsfree speakers - Main board  
Handsfree speakers - Expansion board 1  
Handsfree speakers - Expansion board 2  
Handsfree speakers - Expansion board 3  
"**" during hf to zone  
121, 122, 123, or 124  
Operate relay for longer of 2.5 seconds or duration of  
second press, or until attendant releases hf.  
(Station 101 = code 101, station 102 = code 102, and so forth)  
*If the 2-digit dialing option is enabled in a system with 3 expansion units, the maximum number of zones  
is 90.  
The 3-digit dialing option must be enabled to access 96 zones.  
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Table 3 - Page Dial Codes:  
Groups  
Dial Code  
Main Board  
Expansion 1  
Expansion 2  
10 11  
Expansion 3  
14 15  
1
2
3
4
5
6
7
8
9
12  
13  
16  
#10  
external all  
call  
#11  
system all  
call  
#!2  
#13  
#14  
#15  
#16  
#17  
#60*  
#61  
#62  
#63  
#64  
#65  
#66  
#67  
#68  
#70  
#71  
#72  
#73  
#74  
#75  
#76  
#77  
#78  
#79  
#80  
#81  
#82  
#83  
#84  
#85  
Example: #60 + 72 + 74 + … + *  
Serial Group Call - User may select any combination of group codes during dialing  
Group 10 (External All Call) is not a valid group selection when using these dial codes  
NOTE: For Group selection and Background Music Programming:  
Group 1  
Group 2  
Group 3  
Group 4  
Group 5  
Group 6  
Group 7  
Group 8  
Group 9  
Group 10  
Group 11  
Group 12  
Group 13  
Group 14  
Group 15  
Group 16  
Stations 1 – 6  
Stations 7 – 12  
Stations 13 – 18  
Stations 19 – 24  
Stations 25 – 30  
Stations 31 – 36  
Stations 37 – 42  
Stations 43 – 48  
Stations 49 – 54  
Stations 55 – 60  
Stations 61 – 66  
Stations 67 – 72  
Stations 73 – 78  
Stations 79 – 84  
Stations 85 – 90  
Stations 91 - 96  
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TROUBLESHOOTING CHART  
Corrective Action  
Problem  
No system operation.  
Verify AC voltage is present at the receptacle.  
Check the fuse located on the bottom of the unit. If blown, replace with  
a 1 amp, 250 VAC fuse.  
Verify that 25 pair cable connectors are completely plugged into circuit  
board connectors.  
Refer to Figure 1 and verify all connections.  
Refer to Figure 1 and adjust volume.  
Refer to Figure 1 and adjust volume.  
No paging at speaker.  
Paging at speaker but no reply from  
speaker.  
No system ringing when call button is  
pressed.  
Verify all associated connections.  
Background music not heard at speakers.  
No dial tone.  
Verify connection of speakers and background music input.  
Refer to dip switch settings.  
VALCOM LIMITED WARRANTY  
Valcom, Inc. warrants its products to be free from defects in materials and workmanship under conditions of normal use and  
service for a period of one year from the date of shipment. The obligation under this warranty shall be limited to the replacement,  
repair or refund of any such defective device within the warranty period, provided that:  
1. inspection by Valcom, Inc. indicates the validity of the claim,  
2. the defect is not the result of damage, misuse, or negligence after the original shipment,  
3. the product has not been altered in any way or repaired by others and that factory sealed units are unopened  
(A service charge plus parts and labor will be applied to units defaced or physically damaged),  
4. freight charges for the return of products to Valcom are prepaid,  
5. all units 'out of warranty' are subject to a service charge. The service charge will cover minor repairs  
(Major repairs will be subject to additional charges for parts and labor).  
This warranty is in lieu of and excludes all other warranties, expressed or implied, and in no event shall Valcom, Inc. be  
liable for any anticipated profits, consequential damages, loss of time or other losses incurred by the buyer in  
connection with the purchase, operation or use of the product.  
This warranty specifically excludes damage incurred in shipment. In the event a product is received in damaged condition, the  
carrier should be notified immediately. Claims for such damage should be filed with the carrier involved in accordance with the  
F.O.B. point.  
Headquarters:  
Valcom, Inc.  
In Canada:  
CMX Corporation  
5614 Hollins Road  
35 Van Kirk Drive #11 and 12  
Brampton, Ontario L7A1A5  
Phone: (905) 456-1072  
FAX: (905) 456-2269  
Roanoke, VA 24019-5056  
Phone: (540) 563-2000  
FAX: (540) 362-9800  
TECHNICAL ASSISTANCE  
When trouble is reported, verify there are no broken connections. Assistance in troubleshooting is available from  
the factory. Call (540) 563-2000 and ask for Technical Support, or call (540) 767-1555 for Valcom 24-hour  
Valcom equipment is not field repairable. Valcom, Inc. maintains service facilities in Roanoke, VA. Should  
repairs be necessary, attach a tag to the unit clearly stating company name, address, phone number, contact person,  
and nature of the problem. Send the unit to:  
Valcom, Inc.  
Repair & Return Dept.  
5614 Hollins Road  
Roanoke, VA 24019-5056  
6
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