Transcript
Bulletin No. 40273-438-01 March 2001 Lexington, KY, USA
Instruction Bulletin SQUARE D Multi-Link Structured Wiring System Digital Video Modulator (Model SDM11VM) Class 1400 Retain for future use.
INTRODUCTION This bulletin contains installation and programming instructions for the single-channel digital video modulator (model SDM11VM) supplied by Square D. RECOMMENDED PRE-WIRE SCHEMES Structured wiring cables run from the wall boxes in the various rooms of the house directly to the structured wiring enclosure (called home run wiring). Two types of wire are used for communication and entertainment: CAT-5, made up of 4-UTP (unshielded twisted pairs), and RG-6 coaxial. CAT-5 wires handle data for up to four telephone lines. CAT-5 wires can have two to four unshielded twisted pairs. Square D recommends four pairs. RG-6 coaxial wires handle television (antenna or cable), satellite dish, cable modem, or AV modulator signals. Refer to Table 1 for the recommended wiring schemes. These wires run from the enclosure to the locations indicated in the table. Table 1:
Pre-wire Schemes
Typical Room Good
Phone/ TV
Media Center
Wire Type Quantity Phone/ Satellite CAT-5 1 Receiver/AV RG-6 1 Modulators
Wire Type Quantity Phone/TV/ Phone/ Ethernet/ CAT-5 2 Better TV/ Satellite Ethernet RG-6 Receiver/AC 1 Modulators
Best
Wire Type Quantity Phone/TV/ Phone/ Ethernet/ CAT-5 2 TV/ Satellite Ethernet/ Receiver/AC Satellite RG-6 Modulators/ 2 Receiver Hi–speed Data
© 2001 Schneider Electric All Rights Reserved
Home Office
Wire Type Quantity CAT-5
1
RG-6
3
Wire Type Quantity CAT-5
2
RG-6
3
Wire Type Quantity CAT-5
3
RG-6
3
Wire Type Quantity Phone/TV/ CAT-5 1 Cable Modem RG-6 2 Wire Type Quantity Phone/TV/ CAT-5 2 Ethernet/ Cable Modem RG-6 2 Wire Type Quantity Phone/TV/ CAT-5 3 Ethernet/ Satellite Receiver/ 3 Cable Modem/ RG-6 Hi–speed Data
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SQUARE D Multi-Link Structured Wiring System Digital Video Modulator
Bulletin No. 40273-438-01 March 2001
DIGITAL VIDEO MODULATOR
e qu
el) cha n single VM tor ( SDM1 Modula re D model Squa
1400-3000
S in
g le
Ch a n
n el
D ig
it a l
M od
u la to
r
Pow
er
Out
p l fr
put
Chan
en cy
nel S el
co n
ect
tr o l
A ud
io L
Audi oR
Video
Inp
ut
The digital video modulator (model SDM11VM) is a digitally tuned video modulator that creates in-house television channels for a camera, DVD, satellite, or VCR by converting baseband video and audio signals to a user-selected UHF (off-air television channels 14 through 69) or Ultraband community antenna television (CATV) channel. See Figure 1.
Figure 1: Digital Video Modulator
The modulator is compatible with the video hubs (models SDM38VHIR and SDM38VBIR) and the modulator combiner hub (model SDM81VC) supplied by Square D. For typical installation, see Figure 2.
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© 2001 Schneider Electric All Rights Reserved
Bulletin No. 40273-438-01 March 2001
SQUARE D Multi-Link Structured Wiring System Digital Video Modulator
Video hub (model SDM38VHIR)
IR
Gnd
+12vdc
High Headroom Amp w/IR Engine
B +Pwr
Televisions
Modulators
CATV /Ant
A
Connects to up to eight televisions
Power supply-included (model SDM350086)
Audio inputs: Right and left are combined for monaural.
RG-6 Coaxial cable
Video input
Input Output
Digital video modulator (model SDM11VM)
Power
Channel Select
Audio L Audio R
Video
LED glows when power is applied
Use the DIP switch to setup channel, mode (UHF or Cable), system (STD, IRC or HRC), and termination method.
pll frequency
control
CCTV Camera at front door, DVD or VCR
1400-3001
Single Channel Digital Modulator
Figure 2: Digital Video Modulator Connected to Video Hub
The output frequency (channel) is selected using the programmable DIP switches on the front panel. Any television connected to the output by coaxial cables can receive the signal when tuned to the proper channel.
© 2001 Schneider Electric All Rights Reserved
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SQUARE D Multi-Link Structured Wiring System Specifications
Bulletin No. 40273-438-01 March 2001
SPECIFICATIONS Refer to Table 2 for specifications. Table 2:
Specifications: typical @ 25°C + 5°C
Inputs
Video Video termination (switch selectable)
1 Vp-p @ 75 9
759 in normal mode (NORM) >1 M9 in loop through mode (LOOP) 1 V rms @ 47 k9
Audio
L & R inputs combined for monaural Video performance
Differential gain
4%
Differential phase
<4°
Signal/noise RF output
55 dB
Standard
UHF
CATV
Channel ranges
14-69
65-125 (excluding 95-99)
Output level
+25 dBmV (85 dBuV)
IM distortion
-60 dBC
Alternate channel Power supply
-45 dBC @ 12 MHz
Model number
SDM350086
Output current
300 mA
Output voltage
15 Vdc
Input power
105-125 Vac
INSTALL DIGITAL VIDEO MODULATOR INTO ENCLOSURE To install the digital video modulator, follow steps 1–3. See Figure 3 for all steps. 1. Using the hook on the back of the module, hang the module on the enclosure grid. 2. Swing the module into place, so that the back of the module is flat against the enclosure grid. 3. Push the button on the right side of the module to lock the module into the enclosure grid.
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© 2001 Schneider Electric All Rights Reserved
Bulletin No. 40273-438-01 March 2001
SQUARE D Multi-Link Structured Wiring System Programming DIP Switches
Hook Enclosure grid
Telephone Master Hub (4 lines x 6 phones) Square D model SDM46P
From Telco
R T R 3 T R 2 T R 1 T 4
Expansion Ports
Telephones
RJ31X
Out
1400-3003
Push button to lock module into place
Figure 3: Digital Video Modulator Installation
PROGRAMMING DIP SWITCHES For steps 1–3, see Figure 4. 1. Set the desired mode: UHF, CATV STD, CATV IRC or CATV HRC. 2. Set the channel: Find the desired UHF or CATV channel and set. 3. Set the termination: For normal operation (759 termination), select NORM. When connecting video to a local monitor using a ‘Y’ adaptor set for LOOP (Hi-Z).
© 2001 Schneider Electric All Rights Reserved
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SQUARE D Multi-Link Structured Wiring System Programming DIP Switches
Bulletin No. 40273-438-01 March 2001
SELECT CHANNEL UHF/CATV 14/65
30/81
46/102
62/118
15/66
31/82
47/103
63/119
16/67
32/83
48/104
64/120
17/68
33/84
49/105
65/121
18/69
34/85
50/106
66/122
19/70
35/86
51/107
67/123
20/71
36/87
52/108
68/124
21/72
37/88
53/109
69/125
22/73
38/89
54/110
SELECT MODE
23/74
39/90
55/111
UHF
CATV STD CATV IRC CATV HRC
24/75
40/91
56/112
25/76
41/92
57/113
26/77
42/93
58/114
27/78
43/94
59/115
SELECT TERMINATION
28/79
44/100
60/116
LOOP
29/80
45/101
61/117
NORM
Programming Examples UHF channel 23, normal termination (75 )
UHF channel 65, normal termination (75 ) Cable channel 65 (HRC), normal termination (75 ) Figure 4:
6
1400-3002
Cable channel 116 (standard), loop through termination (Hi-Z)
DIP Switches
© 2001 Schneider Electric All Rights Reserved
Bulletin No. 40273-438-01 March 2001
SQUARE D Multi-Link Structured Wiring System Troubleshooting
TROUBLESHOOTING Refer to Table 3 for troubleshooting tips. Table 3:
Troubleshooting
Situation
Possible Solution
No picture
•Verify that the video source is on and is producing a video signal. •Check that the television and the modulator are tuned to the same channel. For example, if the modulator is broadcasting on UHF channel 16, make sure the television is on UHF 16 rather than CATV 16. UHF 16 and CATV 16 are at different frequencies.
Weak UHF channel
If the television has a separate UHF input, be sure that it is connected.
Herringbone interference on modulator channel (diagonal lines)
•Move the modulator channel to another number. You may have to add a low pass filter to remove the cable company noise. •If the filter does not work, add a DC-block to remove common mode interference.
Herringbone interference on many channels, including modulator channels (disappears when you remove the CATV/antenna feed)
Use a variable attenuator and try to find a signal level where the interference just disappears. Sometimes, the problem is one station is far stronger than the rest. In this case, attenuating all of the signals with a simple attenuator may cause the desired stations to be weak (snowy). Reduce the strength of only the offending station. A common FM trap will help if the problem is a nearby FM tower. If the problem is a nearby television station, often the station management can provide suitable filters.
Audio volume is low
If a mono source is available, connect it to both right and left inputs using an RCA ‘Y’ connector. For proper audio level, both right and left inputs must be used.
No color on channels
The incorrect cable standard may be in use. Not all televisions can accommodate the 1.25 MHz frequency difference between the HRC and IRC cable standards. See the section “Programming DIP Switches” on page 5.
© 2001 Schneider Electric All Rights Reserved
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SQUARE D Multi-Link Structured Wiring System Declaration of Conformity
Bulletin No. 40273-438-01 March 2001
DECLARATION OF CONFORMITY This device complies with 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. Installation requirements FCC classifies this product under Part 15 of its rules as a "television interface device." Systems designed using television interface devices have the following legal requirements: 1. The modulated channel signal strength may not exceed 15.56dBmV at any television (Federal Regulation 47CFR15.115(b)(1)(i)). 2. If an antenna is used in the system, the modulated channel signal strength may not exceed -51dBmV at the antenna input port (Federal Regulation 47CFR15.115(c)(4)). NOTE FOR INSTALLER: The system you design must comply with these regulations. As the installer, you are responsible. The easiest way to be fully compliant is to use a Square D coaxial panel. Square D panels have the necessary isolation from the modulator input ports to the antenna input port and gain characteristic from the modulator input ports to the television output ports. These features will make your modulator comply with the above requirements. The typical installation shown in Figure 2 is fully compliant.
Square D Company 1601 Mercer Road Lexington, KY 40511 USA 1-888-Square D (1-888-778-2733) www.SquareD.com 8
Electrical equipment should be serviced only by qualified personnel. No responsibility is assumed by Schneider Electric for any consequences arising out of the use of this material. This document is not intended as an instruction manual for untrained persons. © 2001 Schneider Electric All Rights Reserved
