User’s Guide
P/2 DA4xi
P/2 DA6xi
VGA Distribution Amplifiers
68-991-01
Rev. C
04 08
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警告
安全须知 • 中文
这个符号提示用户该设备用户手册中
电源 • 该设备只能使用产品上标明的电源。 设备
必须使用有地线的供电系统供电。 第三条线
（地线）是安全设施，不能不用或跳过。
拔掉电源 • 为安全地从设备拔掉电源，请拔掉所有设备后
或桌面电源的电源线，或任何接到市电系统的电源线。
电源线保护 • 妥善布线， 避免被踩踏，或重物挤压。
有重要的操作和维护说明。
这个符号警告用户该设备机壳内有暴
露的危险电压，有触电危险。
维护 • 所有维修必须由认证的维修人员进行。 设备内部
没有用户可以更换的零件。为避免出现触电危险不要自
己试图打开设备盖子维修该设备。
注意
阅读说明书 • 用户使用该设备前必须阅读并理
解所有安全和使用说明。
保存说明书 • 用户应保存安全说明书以备将来使
用。
通风孔 • 有些设备机壳上有通风槽或孔，它们是用来防止
机内敏感元件过热。 不要用任何东西挡住通风孔。
锂电池 • 不正确的更换电池会有爆炸的危险。 必须使用
与厂家推荐的相同或相近型号的电池。 按照生产厂的
建议处理废弃电池。
遵守警告 • 用户应遵守产品和用户指南上的所有安
全和操作说明。
避免追加 • 不要使用该产品厂商没有推荐的工具或
追加设备，以避免危险。
声明
所使用电源为 A 级产品，在生活环境中，该产品可能会造成无线电干扰。在这种情况下，可能需要用
户对其干扰采取切实可行的措施。
FCC Class A Notice
This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this
device may not cause harmful interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation. The Class A limits are designed to
provide reasonable protection against harmful interference when the equipment is operated in
a commercial environment. This equipment generates, uses, and can radiate radio frequency
energy and, if not installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a residential area is likely to
cause harmful interference, in which case the user will be required to correct the interference at his
own expense.
This unit was tested with shielded cables on the peripheral devices. Shielded cables must be used
with the unit to ensure compliance with FCC emissions limits.
N
68-991-01
Rev. C
04 08
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Description
The P/2 DA4xi and P/2 DA6xi VGA-UXGA are high
performance distribution amplifiers featuring one input, four
outputs and one input, six outputs, respectively. Both P/2 DA
units accept a VGA-UXGA video signal from a computer and
distribute the signal to individually buffered outputs and one
buffered loop-through. Each output is extendable up to 250'
(76 m) with Extron’s VGA cables.
Examples of typical installations are shown in the diagrams on
the following pages.
Features
•
Bandwidth — 300 MHz (-3dB) RGB video bandwidth, fully
loaded
•
Video Gain switch — Selectable video gain of 0.7 V or
1 V (when the input signal is 0.7 V p-p) to compensate for
long cable runs
•
•
Power LEDs — Located on both front and back panels
Versatile mounting options — A metal enclosure and a
wide variety of mounting options
•
ID bits pass through — Ensures the signal from the source
matches the resolution and refresh rate of the local monitor.
Installation
The P/2 DA4xi and P/2 DA6xi can be mounted on a rack shelf,
under a desk, or through a desk.
Rack mounting
UL guidelines for rack mounting
The following Underwriters Laboratories (UL) guidelines are
relevant to the safe installation of these products in a rack:
1. Elevated operating ambient temperature — If the unit
is installed in a closed or multi-unit rack assembly, the
operating ambient temperature of the rack environment
may be greater than room ambient temperature. Therefore,
install the equipment in an environment compatible with
the maximum ambient temperature (Tma: +122 °F, +50 ° C)
specified by Extron.
2. Reduced air flow — Install the equipment in the rack so that
the equipment gets adequate air flow for safe operation.
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P/2 DA4xi and P/2 DA6xi, cont’d
3. Mechanical loading — Mount the equipment in the rack so
that uneven mechanical loading does not create a hazardous
condition.
4. Circuit overloading — Connect the equipment to the supply
circuit and consider the effect that circuit overloading might
have on overcurrent protection and supply wiring. Give
appropriate consideration to the equipment nameplate
ratings when addressing this concern.
5. Reliable earthing (grounding) — Maintain reliable
grounding of rack-mounted equipment. Pay particular
attention to supply connections other than direct connections
to the branch circuit (such as the use of power strips).
Rack mounting procedure
The distribution amplifier can be mounted on any of the
following optional rack shelves:
RSU 126 6" deep 1U Rack Shelf Kit (part #60-190-10)
RSB 126 6" deep Basic Rack Shelf (part #60-604-10)
RSU 129 9.5" deep rack shelf (part #60-190-01) or
RSB 129 9.5" deep Basic Rack Shelf (part #60-604-01)
To install and set up the P/2 DA4xi or P/2 DA6xi on a rack,
follow the steps on the next page and see the diagram below:
6" Deep Rack Shelf
1/2 Rack Width Front False
Faceplate
Front false
faceplate
uses 2
screws.
(2) 4-40 x 3/16"
Screws
Use 2 mounting holes on
opposite corners.
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1.
2.
If rubber feet were installed on the bottom of the case,
remove them.
Mount the unit on the rack shelf, as shown below,
using two 4-40 x 3/16 screws in opposite (diagonal)
corners to secure the case to the shelf.
Under-desk mounting
Under-desk mount the unit using the optional mounting kit
(part #70-077-01) as follows:
1.
2.
If rubber feet were installed on the unit, remove them.
Attach the mounting brackets to the unit with the provided
machine screws, as shown below.
3.
4.
5.
6.
7.
Hold the unit with the attached brackets against the
underside of the table or other furniture. Mark the location
of the screw holes of the bracket on the mounting surface.
Drill 3/32" (2 mm) diameter pilot holes, 1/4" (6.3 mm)
deep in the mounting surface at the marked screw
locations.
Insert #8 wood screws into the four pilot holes. Tighten
each screw into the mounting surface until just less than
1/4" of the screw head protrudes.
Align the mounting screws with the slots in the brackets
and place the unit against the surface, with the screws
through the bracket slots.
Slide the unit slightly forward or back, then tighten all four
screws to secure the unit in place.
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P/2 DA4xi and P/2 DA6xi, cont’d
Through-desk mounting
The P/2 DA4xi/6xi can be mounted using the optional
through-desk mounting brackets (Extron part #70-077-02).
1.
Attach the mounting brackets to the DA with the screws
provided (shown below).
2.
Mark the opening, 1.6" x 8.7" (4.1 cm x 22.1 cm), through
which the unit will be mounted.
3.
4.
Cut the proper sized hole in the mounting surface.
Hold the DA with the attached brackets against the
underside of the table or other furniture. Mark the location
of the screw holes of the bracket on the mounting surface.
5.
6.
Drill 3/32" (2 mm) diameter pilot holes, 1/4" (6.3 mm)
deep in the mounting surface at the marked screw
locations.
Insert four #8 wood screws through the bracket and into
the four pilot holes. Tighten all four screws to secure the
DA in place.
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Front panel indicators
VGA DISTRIBUTION AMPLIFIER
1
a
Power LED — A green LED indicates that the distribution
amplifier is receiving power.
Rear panel features
3
4
5
100-240V
0.2A
1
2
3
4
5
6
INPUT
(LOCAL MONITOR)
P/2 DA6xi
VIDEO GAIN
1V
.7V
50/60 Hz
P/2 DA6xi
100-240V
0.2A
1
2
3
4
INPUT
(LOCAL MONITOR)
P/2 DA4xi
VIDEO GAIN
1V
.7V
3
50/60 Hz
P/2 DA4xi
2
1
a
b
Power LED — A green LED indicates that the distribution
amplifier is receiving power.
Video Gain sliding switch — Used for installations with long
output cable runs, the 1.0 V (up) position gives a brighter
picture. The default Video Gain setting is 0.7 V (down).
c
d
Input connector — Connect the input cable (using VGA-UXGA
signals) to this 15-pin HD female connector.
Local Monitor connector — Connect a local monitor to this
15-pin HD female connector for loop-through capability. ID bits
on pins 4, 11, 12, and 15 from the input are passed through to
this connector.
e
Output connector — Connect the output device to this 15-pin
HD female connector.
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P/2 DA4xi and P/2 DA6xi, cont’d
Operation
After the distribution amplifier and its connected devices are
powered up, the system is fully operational. If any problems
occur, verify that the cables are properly routed and connected.
Signal input and output connections
All connections, including power, input, and output, are located
on the rear panel of the P/2 DA4xi and P/2 DA6xi.
To make input and output connections to other devices, do the
following:
1.
2.
Turn off the PC and local monitor.
Connect the input cable from the P/2 distribution
amplifier (DA) to the computer’s VGA-UXGA output.
If you wish to send RGBHV, RGBS, RGBsB, RsGsBs,
component video, S-video, or composite video signals, use
a standard SY breakout cable to make the connection. See
the illustrations below.
RGBHV
R
R
R
R
R
G
G
G
G
G
B
B
B
B
B
H
H
H
H
H
V
V
V
V
V
RGBS
RGsB,
RsGsBs,
Component
S-video
Composite
3.
4.
Connect the computer’s monitor to the Local Monitor
output of the DA.
Connect VGA-compatible monitors or projectors to the
outputs of the DA.
5.
6.
Connect power to the distribution amplifier.
Turn on the local monitor, other display devices, and the
PC.
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Extron
P/2 DA6xi
VGA Distribution
Amplifier
10
0-
24
0V
0.2
A
50
I
/6
0
H
z
T
P
/2
D
A
6x
i
V
ID
E
O
1
G
A
V
IN
(L
.7
T
V
R
)
2
3
4
VGA-UXGA
Compatible Displays
PC
Video Gain
The Video Gain switch is located on the rear panel with a default
setting of 0.7 V (down). Set the switch to 1 V when long cable
runs affect the picture quality. This boosts the signal level to
compensate for degradation due to cable length.
Signal Compatibility
Signal compatibility is affected by voltage. When the Video
Gain switch is set to
•
0.7 V (default) — the P/2 DA can pass all signal types
(VGA-UXGA, RGBHV, RGBS, RGBsB, RsGsBs, component
video, S-video and composite video).
•
1 V — the P/2 DA can pass only the RGBHV and RGBS
video types.
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P/2 DA4xi and P/2 DA6xi, cont’d
Specifications
Video
Gain ................................................ 0 dB or +3 dB (when input is 0.7 Vp-p,
output is 0.7 V or 1.0 V, switchable)
Bandwidth ..................................... 350 MHz (-3 dB), fully loaded
Video input
Number/signal type..................... 1 VGA-UXGA RGBHV, RGBS, RGsB,
RsGsBs, HDTV component video, S-video,
composite video
These DAs are compatible with all the signal formats listed
above when the gain DIP switch is set to 0.7 V. They are
compatible with only RGBHV and RGBS when the gain DIP
switch is set to 1.0 V.
N
Connectors .................................... (1) 15-pin HD female (optional Mac/VGA
adapters are available)
Nominal level ................................ 1.0 Vp-p for Y of component video and
S-video, and for composite video
0.7 Vp-p for RGB and for R-Y and B-Y of
component video
0.3 Vp-p for C of S-video
Minimum/maximum levels........ Analog: 0.3 V to 1.5 Vp-p with no offset at
unity gain
Impedance ..................................... 75 ohms
Horizontal frequency.................... 15 kHz to 135 kHz
Vertical frequency.......................... 30 Hz to 150 Hz
Return loss ..................................... <-40 dB @ 5 MHz
Input coupling............................... DC
Video output
Number/signal type
P/2 DA4xi .......................... 4 VGA-UXGA RGBHV, RGBS, RGsB,
RsGsBs, HDTV component video, S-video,
composite video (follows input type)
P/2 DA6xi .......................... 6 VGA-UXGA RGBHV, RGBS, RGsB,
RsGsBs, HDTV component video, S-video,
composite video (follows input type)
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These DAs are compatible with all the signal formats listed
above when the gain DIP switch is set to 0.7 V. They are
compatible with only RGBHV and RGBS when the gain DIP
switch is set to 1.0 V.
N
Connectors
P/2 DA4xi .......................... (4) 15-pin HD female
P/2 DA6xi .......................... (6) 15-pin HD female
Nominal level ................................ 1.0 Vp-p for Y of component video and
S-video, and for composite video
0.7 Vp-p for RGB and for R-Y and B-Y of
component video
0.3 Vp-p for C of S-video
Minimum/maximum levels........ 0.3 V to 1.5 Vp-p (follows input)
Impedance ..................................... 75 ohms
Return loss ..................................... <-40 dB @ 5 MHz
DC offset ........................................ ±5 mV with input at 0 offset
Sync
Input type ...................................... RGBHV, RGBS, RGsB, RsGsBs; bi-level
and tri-level sync
Output type.................................... RGBHV, RGBS, RGsB, RsGsBs; bi-level
and tri-level sync (follows input)
These DAs are compatible with all the signal formats listed
above when the gain DIP switch is set to 0.7 V. They are
compatible with only RGBHV and RGBS when the gain DIP
switch is set to 1.0 V.
N
Input level ..................................... 1.8 V to 5.0 Vp-p
Output level .................................. TTL: 5.0 Vp-p, unterminated
Input impedance .......................... 510 ohms
Output impedance ....................... 50 ohms
Max. propagation delay ............... 60 ns
Max. rise/fall time ........................ 2 ns
Polarity............................................ Positive or negative (follows input)
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P/2 DA4xi and P/2 DA6xi, cont’d
General
Power ............................................. 100 VAC to 240 VAC, 50/60 Hz, 12 watts,
internal
Temperature/humidity................ Storage -40° to +158°F (-40° to +70°C) /
10% to 90%, noncondensing
Operating +32° to +122°F (0° to +50°C) /
10% to 90%, noncondensing
Cooling ........................................... Convection, no vents
Mounting
Rack mount........................ Yes, with optional 1U 9.5" rack shelf, part
#60-190-01 (RSU 129), 60-604-01 (RSB 129);
or 1U 6" rack shelf, part #60-190-10
(RSU 126) or 60-604-10 (RSB 126)
Furniture mount................ Yes, with optional under-desk mounting
kit, part #70-077-01 (MBD 129) or through-
desk mounting kit, part # 70-077-02
(MBD 129)
Enclosure type .............................. Metal
Enclosure dimensions .................. 1.6" H x 8.7" W x 6.0" D (1U high, half rack
wide)
4.1 cm H x 22.1 cm W x 15.2 cm D
(Depth excludes connectors.)
Product weight .............................. 2.0 lbs (0.9 kg)
Shipping weight
P/2 DA4xi .......................... 4 lbs (2 kg)
P/2 DA6xi .......................... 5 lbs (3 kg)
Vibration ........................................ ISTA 1A in carton (International Safe
Transit Association)
Listings............................................ UL, CUL
Compliances................................... CE, FCC Class A, VCCI, AS/NZS, ICES
MTBF............................................... 30,000 hours
Warranty ........................................ 3 years parts and labor
All nominal levels are at 10%.
N
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Parts
Included parts
Included Parts
Replacement
part number
IEC power cord
Rubber feet (4)
P/2 DA4xi and P/2 DA6xi User’s Guide
Optional accessories
Accessories
Part number
RSU 129 — 1U 9.5" deep universal rack
shelf kit
60-190-01
RSU 126 — 1U 6" deep universal rack shelf
kit
60-190-10
RSB 129 — 1U 9.5" deep basic rack shelf
RSB 126 — 1U 6" deep basic rack shelf
MBU 125 — 1U under-desk mount kit
MBD 129 — 1U through-desk mount kit
PMK 200 — 1U projector mounting kit
VGAM MHR, Male to Male cables
60-604-01
60-604-10
70-077-01
70-077-02
70-077-04
26-238-xx
26-531-xx
VGA to BNC-5 female cables (SY VGA),
0.5’ - 100’ (0.15 m - 30.4 m)
VGA to BNC-5 male cables
26-533-xx
(SY VGA), 0.5’ - 100’ (0.15 m - 30.4 m)
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P/2 DA4xi and P/2 DA6xi, cont’d
12
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P/2 DA4xi and P/2 DA6xi, cont’d
14
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Extron’s Warranty
Extron Electronics warrants this product against defects in materials and workmanship
for a period of three years from the date of purchase. In the event of malfunction during
the warranty period attributable directly to faulty workmanship and/or materials,
Extron Electronics will, at its option, repair or replace said products or components,
to whatever extent it shall deem necessary to restore said product to proper operating
condition, provided that it is returned within the warranty period, with proof of
purchase and description of malfunction to:
USA, Canada, South America,
and Central America:
Europe, Africa, and the Middle East:
Extron Electronics, Europe
Beeldschermweg 6C
3821 AH Amersfoort
The Netherlands
Extron Electronics
1001 East Ball Road
Anaheim, CA 92805, USA
Asia:
Japan:
Extron Electronics, Japan
Kyodo Building
16 Ichibancho
Extron Electronics, Asia
135 Joo Seng Road, #04-01
PM Industrial Bldg.
Singapore 368363
Chiyoda-ku, Tokyo 102-0082
Japan
This Limited Warranty does not apply if the fault has been caused by misuse, improper
handling care, electrical or mechanical abuse, abnormal operating conditions or non-
Extron authorized modification to the product.
If it has been determined that the product is defective, please call Extron and ask for an
Applications Engineer at (714) 491-1500 (USA), 31.33.453.4040 (Europe), 65.6383.4400
(Asia), or 81.3.3511.7655 (Japan) to receive an RA# (Return Authorization number). This
will begin the repair process as quickly as possible.
Units must be returned insured, with shipping charges prepaid. If not insured, you
assume the risk of loss or damage during shipment. Returned units must include the
serial number and a description of the problem, as well as the name of the person to
contact in case there are any questions.
Extron Electronics makes no further warranties either expressed or implied with respect
to the product and its quality, performance, merchantability, or fitness for any particular
use. In no event will Extron Electronics be liable for direct, indirect, or consequential
damages resulting from any defect in this product even if Extron Electronics has been
advised of such damage.
Please note that laws vary from state to state and country to country, and that some
provisions of this warranty may not apply to you.
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Extron Electronics, USA
1230 South Lewis Street
Anaheim, CA 92805
USA
Extron Electronics, Europe
Beeldschermweg 6C
3821 AH Amersfoort
The Netherlands
Extron Electronics, Asia
135 Joo Seng Road, #04-01
PM Industrial Building
Singapore 368363
Extron Electronics, Japan
Kyodo Building
16 Ichibancho
Chiyoda-ku, Tokyo 102-0082 Japan
+81.3.3511.7655
714.491.1500
+31.33.453.4040
+65.6383.4400
Fax 714.491.1517
Fax +31.33.453.4050
Fax +65.6383.4664
Fax +81.3.3511.7656
© 2008 Extron Electronics. All rights reserved.
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