SQRG-12
Sequential Ring
TECHNICAL
Generator
July 28, 2006
Practice
TELECOM SOLUTIONS FOR THE 21ST CENTURY
Allow Multiple Attendants to Answer Sequenced
Calls While Eliminating Call Crashing
The SQRG-12 Sequential Ring Generator is
designed for applications where more than
one person answers incoming calls and
those persons may be in locations where the
TMS-6X or TMS-12A is not visible.
The SQRG-12 eliminates confusion about
which line to answer next by displaying the
oldest call as a ringing line on all phones in
the phone system.
Applications
• Generate automatic oldest call notification for
Features
the TMS-6X
• Compatible with ground or loop start lines
• Generate automatic oldest call notification for
the TMS-12A
• Re-rings calls held by Viking’s TMS-6X or
TMS-12A Call Sequencers
• Eliminates call crashing on outbound calls
when used with Viking’s TMS-6X or TMS-
12A Call Sequencers
• Selectable ring cadence
• 10 REN load total
Specifications
Power: 120V AC/13.8V AC 1.25A UL listed adapter pro-
vided
Dimensions: 210mm x 160mm x 44mm (8.25” x 6.25” x
1.75”)
Phone...715.386.8861
Shipping Weight: 1.36 Kg (3 lbs)
Environmental: 0°C to 32°C (32°F to 90°F) with 5% to
95% non-condensing humidity
REN: 10.0
Connections: (2) RJ21X jacks, (1) RJ14 jack
Maximum Run: 305m (1000 ft) between SQRG-12 and
sequencer
Rear View of the SQRG-12
2. Wiring Table for the TMS-6X
S3
12
11
10
9
ROW 2
TMS-6X
ROW 3
SQRG-12
Pin, Color
ROW 4
Open
ROW 5
SQRG-12
Pin, Color
ROW 6
Loop/Ground Start
C.O. Lines
ROW 1
Loop/Ground Start
C.O. Lines
L1, G
L1, R
L2, BK
L2, Y
L3, W
L3, BL
L4, G
L4, R
L5, BK
L5, Y
26, W/BL
1, BL/W
27, W/O
2, O/W
28, W/G
3, G/W
29, W/BN
4, BN/W
30, W/S
5, S/W
31, R/BL
6, BL/R
38, BK/G
13, G/BK
39, BK/BN
14, BN/BK
40, BK/S
15, S/BK
41, Y/BL
16, BL/Y
42, Y/O
1T
1R
2T
2R
3T
3R
4T
4R
5T
5R
6T
6R
1T
1R
2T
2R
3T
3R
4T
4R
5T
5R
6T
6R
S2
8
7
6
5
S1
4
3
2
1
17, O/Y
43, Y/G
18, G/Y
L6, W
L6, BL
Note: For proper ground
start operation, DIP switches
1-12 must be set to OFF as
shown above.
50, V/S
* Earth Ground
ON OFF
* Note: Earth Ground is only required in ground start applications.
Notes: If the PABX does not recognize lines on the TMS-6X as busy and call crashing is observed, set up those lines as “incoming only trunks” on the PABX. If those lines
must be used for inbound and outbound calls, you must use the special software TMX-PRAL. Contact Viking product support at (715) 386-8666 for more information. Do not
install bridging clips on any connections which connect the two halves of the punch down terminal block. Bridge clips should only be installed as a method of bypassing equip-
ment. In order for the SQRG-12 to work properly, the four-wire modular jack must be installed between the TMS CONTROL LINE on the SQRG-12 and the SQRG jack on the
TMS-6X or TMS-12A.
B. Installing the SQRG-12 with the TMS-12A
Rear View of the TMS-12A
Ground Start or
Ring All Lines
1. Wiring
J2
J2
Viking Electronics, Inc.
Hudson, WI 54016
SQRG-12
TMS-RDMA
WARBLE
VOLUME
Loop Start
RESET
TMS-RDMA POWER
13.8VAC
INPUTS / OUTPUTS
MUSIC
ON
SEQUENTIAL RING
GENERATOR
TMS
CONTROL LINE
9
10 11 12
RJ21X Male Jack
(not included)
VIKING©
1-12 C.O. Lines
MODEL SQRG-12
Loop Start TMS-12A DIP Switches
RJ21X
RJ21X
DIP Switch
Position
UP
DOWN
UP
1
2
3
4
13.8V AC
1.25A MAX
ON
POWER
VIKING ELECTRONICS INC. HUDSON, WI 54016
1
2
3
4
2
3
11
DIP
Switches
(V/S)
Earth Ground
Punchdown
Terminal
ON
ON
Note: Earth ground is required
in ground start applications.
Block with
Split Center
(not included)
Ground Start TMS-12A DIP Switches
1
2
3
4
OFF
DIP Switch
Position
DOWN
UP
2
3
Siemans
# 566B3-50
13.8V AC
Adapter
(included)
Trunk Inputs
of PABX/KSU
11
UP
Marconi
# R66B3-50
2. Wiring Table for the TMS-12A
Rear View of the SQRG-12
ROW 2
TMS-12A
Pin, Color
ROW 3
SQRG-12
Pin, Color
ROW 4
Open
ROW 5
SQRG-12
Pin, Color
ROW 6
Loop/Ground Start
C.O. Lines
ROW 1
Loop/Ground Start
C.O. Lines
S3
12
11
10
9
26, W/BL
1, BL/W
27, W/O
2, O/W
28, W/G
3, G/W
29, W/BN
4, BN/W
30, W/S
5, S/W
31, R/BL
6, BL/R
32, R/O
7, O/R
26, W/BL
1, BL/W
27, W/O
2, O/W
28, W/G
3, G/W
29, W/BN
4, BN/W
30, W/S
5, S/W
31, R/BL
6, BL/R
32, R/O
7, O/R
38, BK/G
13, G/BK
39, BK/BN
14, BN/BK
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/BN
19, BN/Y
45, Y/S
1T
1R
2T
2R
3T
3R
4T
4R
5T
5R
6T
6R
7T
7R
8T
8R
9T
9R
10T
10R
11T
11R
12T
12R
1T
1R
2T
2R
3T
3R
4T
4R
5T
5R
6T
6R
7T
7R
8T
8R
9T
9R
10T
10R
11T
11R
12T
12R
S2
8
7
6
5
S1
4
3
2
1
Note: For proper ground
33, R/G
8, G/R
33, R/G
8, G/R
start operation, DIP switches
1-12 must be set to OFF as
shown above.
20, S/Y
34, R/BN
9, BN/R
35, R/S
10, S/R
36, BK/BL
11, BL/BK
37, BK/O
12, O/BK
34, R/BN
9, BN/R
35, R/S
10, S/R
36, BK/BL
11, BL/BK
37, BK/O
12, O/BK
46, V/BL
21, BL/V
47, V/O
22, O/V
48, V/G
23, G/V
49, V/BN
24, BN/V
ON OFF
* Note: Earth Ground is only required in ground
start or master / slave applications.
44, Y/BN
50, V/S
* Earth Ground
Notes: If the PABX does not recognize lines on the TMS-12A as busy and call crashing is observed, set up those lines as “incoming only trunks” on the PABX. If those lines
must be used for inbound and outbound calls, set DIP switch 3 to on and switch 2 to off, on the TMS-12A. Do not install bridging clips on any connections which connect the
two halves of the punch down terminal block. Bridge clips should only be installed as a method of bypassing equipment. In order for the SQRG-12 to work properly, the four-
wire modular jack must be installed between the TMS CONTROL LINE on the SQRG-12 and the SQRG jack on the TMS-12A.
Programming
Position Description
Switch
J2
J2
RESET
ON
OFF
ON
Receive line status data from the TMS-6X
1
1
2
2
3
4
SEQUENTIAL RING
GENERATOR
TMS
CONTROL LINE
Receive line status data from the TMS-12A
Ring cadence: 1 sec on, 3 sec off
Ring cadence: 2 sec on, 4 sec off
Unused (Leave in OFF position)
Unused (Leave in OFF position)
DIP
Switches
VIKING©
ON
ON
OFF
OFF
OFF
MODEL SQRG-12
1
2
3
4
OFF
RJ21X
RJ21X
1
2
3
4
13.8V AC
1.25A MAX
ON
POWER
VIKING ELECTRONICS INC. HUDSON, WI 54016
1
2
3
4
Operation
The SQRG-12 is a sequential ring generator option for use with the TMS-6X and TMS-12A. The SQRG-12 will re-ring lines for the
KSU/PABX based on line status information from the TMS-6X or TMS-12A.
The SQRG-12 is designed for applications where more than one person answers incoming calls, or in locations where the TMS-6X or
TMS-12A front panel display is not visible. The SQRG-12 eliminates confusion about which line to answer next by only ringing the old-
est call to the key system or PABX.
In some applications, it is desirable to have the SQRG-12 re-ring all calls that are ringing or holding within the call sequencer. This is
required in many PABX applications and some key system applications to prevent call crashing (glare) problems when the C.O. lines con-
nected to the TMS-6X or TMS-12A are also used for outgoing calls by the PABX or KSU. The SQRG-12 is capable of this mode of oper-
ation when DIP switch 3 on the TMS-12A is in the on position, or the TMS-6X has special software “TMX-PRAL” installed.
A. SQRG-12 Operation when Ringing Calls in Sequence
When the SQRG-12 is used with loop start C.O. lines, and you want the calls to ring through to the telephones in sequence (one at
a time), use J2 to block C.O. ringing from passing to the PABX or KSU. As a call rings in, the TMS-6X or TMS-12A detects the ring-
ing, and tells the SQRG-12 to ring that line through to the PABX or KSU (only if this line is the oldest call). If a live operator does not
answer, the TMS-6X or TMS-12A will answer the call, play the message and put the caller on hold, while continuously commanding
the SQRG-12 to re-ring that line into your system. As new calls ring in on other lines, the SQRG-12 blocks these calls from ringing
through to the PABX or KSU until they have become the oldest call. Once an operator answers the oldest ringing call, the TMS-6X
or TMS-12A will begin ringing the next oldest call through to the PABX or KSU. This process of ringing calls through one at a time
will continue until the operators have answered all holding or ringing calls.
B. SQRG-12 Operation when Ringing All Calls
When the SQRG-12 is used with either loop or ground start C.O. lines, and you want all holding or ringing calls re-rung through to
the telephones, use J1 to pass tip ground (for ground start trunks), and ringing through to the PABX or KSU. Note internal DIP switch-
es 1 through 12 must be set to OFF anytime you use the J1 jack. The J1 jack is a straight through jack, so in the idle state, the C.O.
tip and ring are passed straight through to the PABX or KSU. When the TMS-6X or TMS-12A recognize that there is an incoming
call on a line, the call sequencer commands the SQRG-12 to re-ring that line along with any other lines that are ringing or holding.
While the SQRG-12 is ringing a given line position of the PABX or KSU, the SQRG-12 constantly maintains a grounded tip condition
(for ground start lines), supplies -48V DC battery on the ring side of the phone line and superimposes its high voltage ringing on this
- 48V DC. This is purposely part of the SQRG-12 design to give the ground trunk card in the PABX or KSU the impression that the
line is a ringing line that has never been answered, even though the TMS-6X or TMS-12A may be holding a call on that line. All calls
will continue to ring through to the PABX or KSU until the call is answered by a live operator, or the caller hangs up (abandons).
Although the J1 jack was designed for ground start C.O. lines, it also works properly for loop start C.O. lines when using the “ring all
lines” mode.
Product Support Line...715.386.8666
Fax Back Line...715.386.4345
Due to the dynamic nature of the product design, the information contained in this document is subject to change without notice. Viking Electronics, and its affiliates and/or subsidiaries assume no respon-
sibility for errors and omissions contained in this information. Revisions of this document or new editions of it may be issued to incorporate such changes.
Fax Back Doc 060
Printed in the U.S.A.
ZF290950 Rev D
|