DNF Controls SW1X8 User manual

19770 Bahama St
Northridge CA 91324
V: 818.898.3380
F: 818.898.3360
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MODEL No. SW1X8
RS422 SWITCHER
User Manual

SW1X8, RS422 Switcher Page 1 1 o of f 1 12 2
TABLE O CONTENTS
I. REVISION HISTORY.......................................................................... 2
II. INTRODUCTION ................................................................................ 3
III. STANDARD EATURES....................................................................... 3
IV. PERMANENT GANG OPTION .............................................................. 4
V. INSTALLATION ................................................................................. 5
VI. 1XN EXPANSION PORT INSTALLATION............................................. 5
VII. NX8 EXPANSION PORT INSTALLATION............................................. 6
VIII. OPERATION WITHOUT GANG UNCTION .......................................... 6
IX. OPERATION WITH GANG UNCTION ................................................. 7
X. SPECI ICATIONS .............................................................................. 8
XI. RONT PANEL / REAR VIEW ........................................................... 11
XII. CONNECTION DIAGRAM.................................................................. 11
XIII. DN CONTROLS LIMITED WARRANTY ............................................. 12
Manual Version:…………….……………….. 2.41 051606
Document No. …………..….. SW1X8_User_Manual.doc

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I. REVISION HISTORY
010604 Rev. 2.2 Company header information revised.
Added DNF Controls Limited Warranty.
Reformatted.
030804 Rev. 2.3 SPECIFICATIONS section, Rear Panel, 1 External
Select: Changed no. of pins from 9 to 25.
081805 Rev. 2.4 Changed description of Tally Outputs.
051606 Rev. 2.41 Minor Specification corrections

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II. INTRODUCTION
A. A Highly Effective Routing and Distribution System
B. Quick and Easy to Operate
C. Fast and Simple Installation
III. STANDARD EATURES
A. At the press of a button
1. Select one of 8 individual VTRs
2. Select a Group of VTRs
3. Gang Roll (Common Roll) all 8 VTRs
B. 1XN Expansion Port
1. Connects two or more SW1X8 RS422 Switchers to control more than 8
VTRs.
2. Create 1 x 16, 1 x 24, etc. configurations.
C. NX8 Expansion Port
1. Control 8 VTRs from multiple control points. Connect multiple SW1X8
RS422 Switchers in 2 x 8, 3 x 8, and 4 x 8 configurations.
D. External Select /Status
1. Provides external control and monitoring crosspoints.

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IV. PERMANENT GANG OPTION
When the PERMANENT GANG Software option is included in the SW1X8,
the following functionality is changed as follows:
When a gang is created, it is Permanent (until the operator clears the
gang).
Example: Gang Outputs [1], [2] and [3].
Output 1 LED blinks.
Output 2 & 3 LEDs stay on solid.
Select Output [5].
Only Output #5 LED is on and blinks.
Select Output [1], [2] or [3].
All of the members of the gang have their LEDs on.
Output 1 blinks.
To CLEAR old gang and create a new one:
Press and hold any key, then select the other keys to be
ganged.
While holding the master of the gang (the key with the blinking LED), it is
now possible to toggle members in and out of the gang.
Example: Gang outputs [1], [2] and [3].
Output 1 LED blinks.
Output 2 and 3 LEDs stay on solid.
Release all keys.
Press and hold Output [1]; the gang master LED blinks.
Press any key: It becomes a member of the gang.
Press it again and it is removed from the gang.

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V. INSTALLATION
A. Connect one end of a 9-pin D-type male to male cable into the rear panel
9-pin D-type female connector labeled RS422 Input. Connect the other
end to a VTR Controller.
B. Connect up to 8 RS422 Serial Controlled VTRs using 9-pin D-type male to
male cables into the 9-pin D-type female connectors labeled OUT1 through
OUT8.
C. Connect the Power Supply’s 9-pin female D-connector to the rear panel
connector labeled Power. Connect the AC plug to an outlet, 90 VAC to
265 VAC, 50 - 60 Hz. The Power indicator will turn on.
D. When power is applied, OUT1 is active and its indicator light will blink.
Installation is complete.
VI. 1XN EXPANSION PORT INSTALLATION
To control more than 8 VTRs from a single controller:
A. Follow the instructions in the INSTALLATION section for first 8 VTRs.
B. Connect the RS422 INPUT connector on the second SW1X8 to the 1 X N
EXPANSION PORT connector on the first SW1X8, using a standard 9-pin
RS422 cable, with all 9 pins wired one to one.
C. Remove the top cover of the second SW1X8. Move the
NORMAL/EXPANSION jumper on the main printed circuit board to
"Expansion."
D. Connect VTRs 9 through 16 to the second SW1X8.
E. Connect the third SW1X8 to the EXPANSION PORT connector on the
second SW1X8. Repeat Step d. on the third SW1X8.

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VII. NX8 EXPANSION PORT INSTALLATION
To control 8 VTRs from more than one controller/control point:
A. Follow the instructions in the INSTALLATION section for first 8 VTRs.
B. Using “Y” connectors, connect each VTR to the appropriate OUT connector
on every SW1X8.
Example: In a 3 x 8 configuration, connect VTR#1 to OUT1 on SW1X8 #1,
SW1X8 #2 and SW1X8 #3
C. Connect one end of a standard RS422 cable 9-pin D-type male to male
cable with all 9 pins wired one to one into the NX8 Expansion Port on the
SW1X8. Using “Y” connectors, connect the other end into all of the other
SW1X8s.
VIII. OPERATION WITHOUT GANG UNCTION
A. To Control An Individual VTR
1. Press the switch corresponding to the desired VTR; its indicator will
light. The VTR Controller can now control the selected VTR.
Example: To control VTR4, press switch number [4]; its indicator light
will be steady.

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IX. OPERATION WITH GANG UNCTION
A. To Control A Gang of VTRs
1. Press and hold the switch corresponding to the Status VTR (the VTR
that will be monitored for status and timecode). Its indicator will light.
2. Now press and release the switch corresponding to each VTR to be
added to the gang. Their respective indicators will light.
3. Release the Status VTR switch. It will begin to blink.
Example: To gang VTRs 2, 4, 5 and 7
Press and hold switch number [2], its indicator will light.
Press and release switch numbers [4], [5] and [7].
Their respective indicators will light.
Release switch number [2]; its indicator will blink.
B. To Control All 8 VTRs
1. Press the [GANG] switch.
2. The Switch number 1 indicator will blink (it is the default Status VTR).
All other switch indicators, 2 through 8, will light.
Example: To Gang Roll (Common Roll) VTRs 1 through 8, press GANG.
The indicator for each VTR will turn on.

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X. SPECI ICATIONS
Power Requirements: 5 VDC regulated, 1 Amp Universal Power Supply.
90-265 VAC, 50-60 hz supplied.
Size: 1RU Rack-mountable housing, (H x W x D) 1.75”
x 19” x 4.5”
Weight: 5 lbs.
A. ront Panel
8 Output selector switches with status indicators, labeled 1 through 8
1 Gang selector switch
1 Power Indicator
B. Rear Panel
1 RS422 Input 9-Pin D-Type Female
8 RS422 Outputs 9-Pin D-Type Female
1 NX8 Expansion Port 9-Pin D-Type Female
1 1XN Expansion Port 9-Pin D-Type Female
1 External Select 25-Pin D-Type Female
1 Power Connector 9-Pin D-Type Male
C. RS422 Input Connector
9-Pin D-Type Female
Pin# Description
1 Frame Ground
2 Transmit A 
3 Receive B 
4 Transmit Common
5 Spare
6 Receive Common
7 Transmit B 
8 Receive A 
9 Frame Ground

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D. Outputs 1 - 8 RS422 Connectors
9-Pin D-Type Female
Pin# Description
1 Frame Ground
2 Receive A 
3 Transmit B 
4 Transmit Common
5 Spare
6 Receive Common
7 Receive B 
8 Transmit A 
9 Frame Ground
E. NX8 Port unction Description
The port has an OUTPUT line for each of the eight VTR ports. When the
OUTPUT line is held low, the selection of the corresponding VTR port is
prohibited.
. NX8 Connector
9-Pin D-Type Female
Pin# Description
1 OUTPUT 1 ON (Active Low)
2 OUTPUT 2 ON (Active Low)
3 OUTPUT 3 ON (Active Low)
4 OUTPUT 4 ON (Active Low)
5 OUTPUT 5 ON (Active Low)
6 OUTPUT 6 ON (Active Low)
7 OUTPUT 7 ON (Active Low)
8 OUTPUT 8 ON (Active Low)
9 GROUND
G. 1XN Port unction Description
When the 1 X N Expansion Line is active, all SW1X8s with the
Expansion/Normal jumper set to Expansion will turn off all of its
OUTPUTS.

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H. 1XN Connector
9-Pin D-Type Female
Pin# Description
1 Frame Ground
2 Receive A 
3 Transmit B 
4 Expansion Mode
5 Spare
6 Receive Common
7 Receive B 
8 Transmit A 
9 Frame Ground
I. External Select Input Connector
25-Pin D-Type Female
Pin# Connection Description____________________
1 Switch #1 Active Low (Internal Pullup to +5 VDC is
2 Switch #2 provided)
3 Switch #3
4 Switch #4
5 Switch #5
6 Switch #6
7 Switch #7
8 Switch #8
9 No Connection
10 No Connection
11 No Connection
12 Switch Common
13 Tally Common
14 +5v DC
15 +5v DC
16 OUT1 tally When #1 is selected )
17 OUT2 tally When #2 is selected )
18 OUT3 tally When #3 is selected ) Active state
19 OUT4 tally When #4 is selected ) follows front
20 OUT5 tally When #5 is selected ) ____ panel selector
21 OUT6 tally When #6 is selected ) switch LED.
22 OUT7 tally When #7 is selected ) Low when
23 OUT8 tally When #8 is selected ) LED is ON.

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XI. RONT PANEL / REAR VIEW
XII. CONNECTION DIAGRAM

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XIII. DN CONTROLS LIMITED WARRANTY
DNF Controls warrants its product to be free from defects in material and
workmanship for a period of one (1) year from the date of sale to the original
purchaser from DNF Controls.
In order to enforce the rights under this warranty, the customer must first contact
DNF’s Customer Support Department to afford the opportunity of identifying and
fixing the problem without sending the unit in for repair. If DNF’s Customer Support
Department cannot fix the problem, the customer will be issued a Returned
Merchandise Authorization number (RMA). The customer will then ship the defective
product prepaid to DNF Controls with the RMA number clearly indicated on the
customer’s shipping document. The merchandise is to be shipped to:
DNF Controls
12843 Foothill Blvd., Suite C
Sylmar, CA 91342
USA
Failure to obtain a proper RMA number prior to returning the product may result in
the return not being accepted, or in a charge for the required repair.
DNF Controls, at its option, will repair or replace the defective unit. DNF Controls will
return the unit prepaid to the customer. The method of shipment is at the discretion
of DNF Controls, principally UPS Ground for shipments within the United States of
America. Shipments to international customers will be sent via air. Should a
customer require the product to be returned in a more expeditious manner, the return
shipment will be billed to their freight account.
This warranty will be considered null and void if accident, misuse, abuse, improper
line voltage, fire, water, lightning or other acts of God damaged the product. All
repair parts are to be supplied by DNF Controls, either directly or through its
authorized dealer network. Similarly, any repair work not performed by either DNF
Controls or its authorized dealer may void the warranty.
After the warranty period has expired, DNF Controls offers repair services at prices
listed in the DNF Controls Price List. DNF Controls reserves the right to refuse repair
of any unit outside the warranty period that is deemed non-repairable.
DNF Controls shall not be liable for direct, indirect, incidental, consequential or other
types of damage resulting from the use of the product.
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