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ADC Cabling Standards
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20-March-2014
ADC Cabling Standards v1.0
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Publication Information
© 2014 Imagine Communications Corp.
Proprietary and Confidential.
Imagine Communications considers this document and its contents to be proprietary and
confidential. Except for making a reasonable number of copies for your own internal use, you
may not reproduce this publication, or any part thereof, in any form, by any method, for any
purpose, or in any language other than English without the written consent of Imagine
Communications. All others uses are illegal.
This publication is designed to assist in the use of the product as it exists on the date of
publication of this manual, and may not reflect the product at the current time or an unknown time
in the future. This publication does not in any way warrant description accuracy or guarantee the
use for the product to which it refers. Imagine Communications reserves the right, without notice
to make such changes in equipment, design, specifications, components, or documentation as
progress may warrant to improve the performance of the product.
Trademarks
Product names and other brands (such as ADC™, D-Series™, Nexio®, Nexio® Insight, Nexio®
Motion, PowerSmart®, Versio™) are trademarks or trade names of Imagine Communications or
its subsidiaries. Microsoft® and Windows® are registered trademarks of Microsoft Corporation.
All other trademarks and trade names are the property of their respective companies.
Contact Information
Imagine Communications has office locations around the world. For domestic and international
location and contact information see: http://www.imaginecommunications.com/contact-us/
Support Contact Information
For domestic and international support contact information see:


Support Contacts: http://www.imaginecommunications.com/services/technical-support/
eCustomer Portal: http://support.imaginecommunications.com
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Contents
Contents
About this Manual ............................................................................. 5
Audience ..................................................................................................................................... 5
Hardware Documentation Sets ................................................................................................... 5
What is in this Document ............................................................................................................ 5
Recommended Cable Types ............................................................. 6
About Cabling .............................................................................................................................. 6
Video Connections .................................................................................................................. 6
RS-422 Serial Connections..................................................................................................... 7
Network Connections .............................................................................................................. 7
Time Code Connections ......................................................................................................... 7
GPI Connections ..................................................................................................................... 7
ADC Cabling ..................................................................................... 8
About ADC Cabling ..................................................................................................................... 8
D9 RS-422 Serial Connectors ..................................................................................................... 8
Pin Connections ...................................................................................................................... 8
D-9 to RJ-14 Adapter Wiring ....................................................................................................... 9
Pin Connections .................................................................................................................... 10
RJ-45 – Ethernet LAN Connectors ............................................................................................ 10
Straight-Through Cabling ...................................................................................................... 10
Crossover Cabling ................................................................................................................ 10
RS-422 cables and RJ-12/16 Serial Connectors ...................................................................... 11
Pin Connections .................................................................................................................... 11
Twisted-pair color-coding ...................................................................................................... 11
RS-232 Connection for OCP & ICP Panels .............................................................................. 11
Pin Connections .................................................................................................................... 12
RS-232 to USB converter for OCP & ICP panels ..................................................................... 12
B&B RS-232 to RS-422 Converter ............................................................................................ 12
Converter/Device Interconnection ........................................................................................ 12
Pinouts .................................................................................................................................. 13
RS-422/RS-485 ......................................................................................................................... 14
Specifications ........................................................................................................................ 15
Fanout Cables for 16-Port Cards .............................................................................................. 15
How do I cable the 16 port cards? ........................................................................................ 16
How do I tell which port is which on the fanout cable? ......................................................... 18
RJ11 Connector Pinouts ....................................................................................................... 18
What if I need longer cables? ............................................................................................... 19
Can I make my own cables? ................................................................................................. 19
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About this Manual
About this Manual
Audience
This manual is intended as a general reference and for use by engineers or
technicians when installing professional automation computers.
Hardware Documentation Sets
The following ADC™ playout automation hardware documentation is referenced
together:





ADC Device Controller Hardware Reference
ADC Cabling Standards Reference
ADC Device Controller Board Set Reference
ADC Hardware Control Panels Reference
ADC System Rackmount Reference
What is in this Document
This document outlines standard cabling used for ADC legacy components and new
Device Controller hardware components.
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Recommended Cable Types
Recommended Cable Types
About Cabling
Every effort is made to ensure your installation goes smoothly and your system
operates as per specification. Non-conforming cables have been found to present
many installation challenges to our installers. Therefore, we recommend the following
cable types OR STANDARD EQUIVALENTS be used in a customer installation.
Cables recommended are suitable for non-plenum rated environments only.
Classification
Cable Type
Location
Cable Type
Video Cables
Analog Video Cable
Inter-rack
Belden 8281
Analog Video Cable
Intra-rack
Belden 8279
Digital Video Cable
Inter-rack
Belden 1694A
Digital Video Cable
Intra-rack
Belden 1505A
Audio Cables
Data Cables
Single pair, line level
Belden 9451
Microphone level
Canare L-4E6S
110 ohm Digital Audio
Belden 1800A
75 ohm Digital Audio
Belden 1505A
RS-422 Control
Cables
(For ADC)
Belden 1227A1 or
9805
(For D-Series)
Belden 8723
Computer Network
Cables
Tally/GPI Control
Cables
Belden 9451
Time Code Cables
Belden 9451
Category 5
Any Category 5
cable.
Video Connections
Normally terminated at both ends by a BNC connector. Crimp-on connectors are
recommended over solder or twist-on types.
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Recommended Cable Types
RS-422 Serial Connections
A high-quality, crimp-on connector is recommended for all modular connections. Note
that although the RS-422 connections require only four connections when the
grounds are excluded, a six position (RJ-14) connector must be used. Care should
be taken to utilize the correct type for the cabling installed; different types are utilized
for solid and stranded conductors, as well as flat vs. round jackets. The same type of
cabling should be used to connect the Common Hardware Platform (CHP)
automation computer to the relay panels, and the relay panels to the devices, with
appropriate connectors as needed. For D9 connectors, shells with separate pins are
typically preferable.
Recommended: 100 ohm cable for all RS-422 connections..
Network Connections
A high-quality, crimp-on connector is recommended for all modular connections.
Network connections utilize an eight pin (RJ-45) connector, although only four pins
may be connected. It is important that the transmit line pair and the receive line pair
each utilize a twisted pair of conductors within the cable. Care should be taken to
utilize the correct type of connector for the cabling installed; different types are
utilized for solid and stranded conductors, as well as flat vs. round jackets.
Time Code Connections
The time code connection is made via a mini XLR connector. Although quite durable
once installed, this connector is easily damaged during installation and care should
be taken.
GPI Connections
A standard 5mm removable terminal block / header assembly is used for each GPI
input and output.
Each conductor is secured by a screw clamp and all wiring may be done prior to
installing the terminal block.


Using a “left hand” terminal block will result in the wiring exiting downwards.
Using a “right-hand” terminal block will result in an upwards exit.
Vertical connectors are supplied.
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ADC Cabling
ADC Cabling
About ADC Cabling
While the ADC™ playout automation system supports the new Device Controller, a
new 16-Port Serial Card, and new control panels, it also many of the same hardware
components used in earlier systems. As such it maintains the same cabling
standards as defined for earlier ADC Systems.
To accommodate cabling to new and old hardware components, ADC playout
automation systems use the following cabling standards:







Standard Wiring for Serial 16 Cards
D9 RS-422 Serial Connectors
D-9 to RJ-14 Adapter Wiring
RJ-45 – Ethernet LAN Connectors
RS-422 cables and RJ-12/16 Serial Connectors
B&B RS-232 to RS-422 Converter
RS-422/RS-485
D9 RS-422 Serial Connectors
The standard RS-422 serial connector is a D9, or 9-pin D-shell connector.


Female socket pins are numbered from right to left.
Male plug pins are numbered from left to right.
5
1
9
FEMALE
6
1
5
6
MALE
9
Pin Connections
At the Common Hardware Platform automation computer (aka. Device Controller)
end of the serial cable, only pins 2, 3, 7, and 8 are used. The RS-422 protocol
specifies pins 4 and 6 are to be used as shields, but these pins are not connected on
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a Quad Serial Board. Connecting a shield may cause a "ground-loop" condition that
may introduce noise and cause communication errors.
Most devices require a straight-through pin-to-pin connection. Some devices require
a custom pinout on the device end of the cable. Refer to the user notes for the
specific device for pinout information.
Pin
Function
1
NOT USED
2
RX A -
Receive negative
3
TX B +
Transmit positive
4
TX shield
Not used with automation system
5
NOT USED
6
RX shield
Not used with automation system
7
RX B +
Receive positive
8
TX A -
Transmit negative
9
NOT USED
D-9 to RJ-14 Adapter Wiring
9-pin mini DB Male
(or Female not shown)
RJ 14 6-pin
Receptacle Female
Adapter Side View
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Pins 6 (left)
- 1 (right)
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Pin Connections
9-pin mini DB Male or Female
Function
RJ 14 6-pin connector
3
TX B +
1
8
TX A -
2
2
RX A -
3
7
RX B +
4
4
TX shield
5
6
RX shield
6
Notes:
Pins 1, 5, & 9 on the 9-pin mini DB are not used.
For 9-Pin connections, use pins 2, 3, 7, and 8.
For RJ14/16 connectors, use pins 1, 2, 3, and 4.
RJ-45 – Ethernet LAN Connectors
PIN #
SIGNAL
PIN #
SIGNAL
1
Transmit +
5
Not used
2
Transmit -
6
Receive -
3
Receive +
7
Not used
4
Not used
8
Not used
Straight-Through Cabling
A straight-through Ethernet cable is used to connect a PC to a hub or switch.
HUB or PC
HUB or PC
1 TD +
1 TD +
2 TD -
2 TD -
3 RD +
3 RD +
6 RD -
6 RD -
Crossover Cabling
A crossover Ethernet cable may be used to directly connect one PC to another.
PC
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PC
1 TD +
1 TD +
2 TD -
2 TD -
3 RD +
3 RD +
6 RD -
6 RD -
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RS-422 cables and RJ-12/16 Serial
Connectors
The Automation ADC Device Controller's quad serial boards require an RJ-12/16
connector.
WB
BW
OW
WO
1
2
3
4
WG
GW
5
6
5
6
MALE
4
3
2
1
FEMALE
Pin Connections
PIN
Function
Description
1
TX B +
Transmit positive
2
TX A -
Transmit negative
3
RX A -
Receive negative
4
RX B +
Receive positive
5
RX shield
Not used in ADC system
6
TX shield
Not used in ADC system
Twisted-pair color-coding
Abbrev.
Description
Abbrev.
Description
WB
White w/ Blue
WO
White w/ Orange
BW
Blue w/ White
WG
White w/ Green
OW
Orange w/ White
GW
Green w/ White
RS-232 Connection for OCP & ICP Panels
The OCP and the ICP connect to a client PC serial port using a straight through DB9
RS-232 connection. Since the PC and control panel serial connectors are male,
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ensure the cable terminations are female (Assuming a male-to-female cable is used,
fit one end of the cable with a female-to-female adapter.)
Pin Connections
Client PC
Pin to Pin
Hardware Control Panel
Received Data
2 <-> 2
Transmitted Data
Transmitted Data
3 <-> 3
Received Data
Signal Ground
5 <-> 5
Signal Ground
RS-232 to USB converter for OCP & ICP
panels
The ADC OCP and ICP panels come standard with RS232 connections. For client
PCs without serial ports, third-party RS232 to USB converter, such as a Digitech RS232 to USB converter, have been used successfully with these panels. However, no
guarantee is made regarding compatibility or workability of any specific converter with
the OCP or ICP panels.
IMPORTANT: For any converter, ensure the converter port in Device Manager is set
to COM 2. This is necessary for operation with Air Client & Media Client.
B&B RS-232 to RS-422 Converter
422CON0597
RS-232 To RS-422 Converter CE
Model 422CON
Document No. 422CON0597
This RS-232 to RS-422 converter converts unbalanced RS-232 signals to balanced
RS-422 signals. The RS-422 Standard uses a balanced voltage digital interface to
allow communications of 90K bits per second on cable lengths of 4000 feet. Ten
receivers can be connected to any one driver for use in multi-drop systems.
Converter/Device Interconnection
Interconnection of the converter with another RS-422 device:
The polarity of the two RS-422 lines must be correct. With no data being sent the
RS-232 line should be negative and the RS-422 "A" terminal should be negative
with respect to the "B" terminal. If your equipment uses a + and - naming
scheme, in most cases the A line will be connected to the "-", and the B line will
be connected to the "+".
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ADC Cabling
The wire recommended in the RS-422 Standard is number 24 AWG copper
conductor, twisted-pair telephone cable with a shunt capacitance of 16 pF per
foot.
For long runs and/or high data rates it is recommended that the wires be terminated
with a resistor at the receive end. The twisted pair usually used has an
impedance of about 100 ohms, therefore a 100 ohm resistor is normally used for
the termination. The RS-422 side of the converter requires more power as the
transmission line is increased and as the termination resistor value is reduced,
therefore it may be necessary to use a termination resistor that is larger than 100
ohms.
The RS-422 driver has the ability to drive 10 RS-422 receivers connected in parallel.
A system of multiple receivers may require some experimentation with location
and size of termination resistors, line lengths, grounding, etc.
The RS-422 Standard recommends that Protective Ground (pin 1) be connected to a
good "green wire" ground. This may be already connected in your RS-232
equipment. Protective Ground and Signal Ground should be connected through
to each end of the system and be connected to each other using a 100 ohm 1/2
watt resistor at one end only. If a shielded twisted pair is used the shield should
be connected to Protective Ground.
Source: B&B Electronics Manufacturing Company
Pinouts
The RS-232 port uses a male DB25 type of connector with pins 2(TD input) and 3(RD
output) supported. Protective ground (pin 1) and Signal Ground (pin 7) are also
connected.
The RS-422 port uses a female DB-25 type of connector with the Send Data outputs
on pins 2 and 14, and the Receive Data inputs on pins 5 and 17. Protective Ground
(pin 1) and Signal Ground (pin 7) are connected through to the RS-232 connector.


The B&B Converter requires a 12VDC power supply.
Refer to the user notes for individual devices regarding custom cable
requirements.
RS-232 D25 Male
CONVERTER
RS-422 D25 Female
PIN
Function
PIN
Function
1
Protective Ground
1
Protective Ground
7
Signal Ground
2
TX A -
2
TxD
5
RX A -
3
RxD
7, 12
Signal Ground
4
RTS
14
TX B +
5
CTS
17
RX B +
6
DSR
8
RLSD
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20
DTR
Example Devices requiring an RS232 to RS-422 converter
Device Type
Manufacturer
Make/Model
Audio Carts
Enco
Digital Audio Delivery
Sony
Mini Disk
Odetics
Accucart
Odetics
TCS-45
Odetics
TCS-2000
Odetics
TCS-90
Odetics
TCS-90A
Odetics
TCS-90LEM
Odetics
TCS-90M
Quanta
Delta
Pixel Power
Collage
M/C Switcher
Utah Scientific
MC-500 w/501/502 tub
Router
Utah Scientific
AVS Series (depending on model)
Serial Com
Cavena
Subtitling
Still Stores
Leitch
Logomotion
Pinnacle
Flash File
Cart Machines
Character Generators
RS-422/RS-485
Source: IDC Communications Instrumentation & Control Manual
From EIA Standards:
Re: RS422:
"This standard specifies the electrical characteristics of the balanced voltage digital
interface circuit... that may be employed when specified for the interchange of serial
binary signals between Data Terminal Equipment (DTE) and Data Circuit Terminating
Equipment (DTE) or any point to point interconnection of serial binary signals
between digital equipment.
The interface circuit includes a generator connected by a balanced interconnecting
cable to a load consisting a receiver or receivers..."
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Re: RS485:
"This standard specifies the electrical characteristics of generators and receivers that
may be employed when specified for the interchange of binary signals in multipoint
interconnections of digital equipment. When implemented within the guidelines of this
standard, multiple generators and receivers may be attached to a common
interconnecting cable.
The parameter values specified in this standard are similar to those in RS-422.
These values allow generators and receivers to be designed to meet the
requirements of both standards."
Specifications
TRANSMITTER
RS-422
RS-485
Mode of Operation
Differential
Differential
Max. No. of Drivers
1
32
Max. No. of Receivers
10
32
Max. Cable Length
1200m
1200m
Max. Data Rate
10Mbps
10Mbps
Max. Common Mode Voltage
+6V to -0.25V
+12V to -7V
Driver Output Signal
+/-2.0V Min.
+/- 1.5V Min.
+/- 6.0V Max.
+/- 6.0V Max.
Driver Load
100 Ohms
60 Ohms
Receiver Input Resistance
> 4 KOhms
> 12 KOhms
Receiver Sensitivity
+/- 200mV
+/- 300mV
-7 < Vcm =< +7V
-12V =< Vcm =<
+12V
Fanout Cables for 16-Port Cards
As of September 2009, a newly developed 16 port PCI serial cards have been used
in all ADC systems. This card replaces the previous 8 port serial card that has been
used since ADC migrated from an ISA platform to PCI.
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How do I cable the 16 port cards?
Instead of the individual RJ-11 cables for each port, a single “fanout” cable is
provided with each card. This cable allows a single connection to the board, while
providing individual RJ-11 connection, with the same pinout as the 8 port card, at the
other end. The design of the cables allows this to be accomplished without splices
within the length of the cable. This approach greatly reduces the number of cables,
simplifies the installation, connection, labeling, and dressing of cables, and improves
the overall cabling to the CHP chassis. It does so without reducing the flexibility, as
each port remains individually available and retains compatibility with all existing
connections and documentation.
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ADC Cabling
H
G
E
K
L
M
D
N
C
P
B
Q
A
64 conductor
R
4 conductor
F
J
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How do I tell which port is which on the fanout cable?
The 8 port card was supplied with individual RJ-11 cables, which were unlabeled.
This allowed the labeling of the cables according to each site’s standards. Due to the
need to identify the individual ports of the 16 port fanout cable, they are
manufactured with labels on each of the individual RJ-11 connectors. As the same
cable would be used for all of the cards in a chassis, each port is labeled with both a
number and a letter, with “I” and “O” omitted to avoid confusion with the numerals “0”
and “1”. Customer supplied labels can then be applied to identify the position of the
VHDCI connector and each of the RJ-11 connectors.
Card
l
ria t
Se or
P
RJ Labels
Note that ‘I’
is skipped
Note that ‘O’
is skipped
1
2
3
4
1A
1
17
32
49
2B
2
18
34
50
3C
3
19
35
51
4D
4
20
36
52
5E
5
21
37
53
6F
6
22
38
54
7G
7
23
39
55
8H
8
24
40
56
9J
9
25
41
57
10 K
10
26
42
58
11 L
11
27
43
59
12 M
12
28
44
60
13 N
13
29
45
61
14 P
14
30
46
62
15 Q
15
31
47
63
16 R
16
32
48
64
RJ11 Connector Pinouts
The supplied cabling provides identical connection and pinout as the eight port serial
card. See RS-422 cables and RJ-12/16 Serial Connectors.
1 – TX+
2 – TX3 – RX+
4 – RX5 – GND
6 – GND
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What if I need longer cables?
The standard cables provided are 7 ft (210 cm) in total length, with a 3 ft (90 cm)
portion a single cable from the VHDCI connector, carrying all 16 ports, and the
remaining 4 ft (120 cm) individual cables for each port. 16 ft (485 cm) cables, with the
single cable portion correspondingly longer, will also be available as a standard
length if needed and can be specified at the time of the initial order. If a custom
length is required, these can be manufactured at an additional cost and will have to
be specified with sufficient advance notice.
502120-00
502120-01
H
4 ft (≈120 cm)
F
E
D
C
B
A
J
K
L
M
N
P
Q
R
12 ft (≈365 cm)
16 ft (≈485 cm)
4 ft (≈120 cm)
3 ft (≈90 cm)
7 ft (≈210 cm)
G
Can I make my own cables?
The VHDCI connector is extremely high density, requiring specialized tooling for
making connections, and the construction of the fanout involves re-jacketing of
conductors within the length of the cable. The user assumes any risks involved in the
use of cables other that those supplied by Imagine Communications.
It is strongly suggested that supplied cables be used to fan out from the 16 port
card’s VHDCI connecter to relay panels or RJ-11 bulkhead connectors, and locally
supplied wiring be used from that point. However, all of the signal, pinout, and
connection data can be provided for the fabrication of cabling or other connections.
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