ACB-ULTRA.LPCI User Manual
Part Number 5104
www.sealevel.com PO Box 830 Liberty, SC 29657 864.843.4343
Table of Contents
INTRODUCTION......................................................................................................................... 1
ACB-ULTRA.LPCI.................................................................................................................... 1
THER SEALEVEL SYNC PRODUCTS............................................................................................. 1
O
BEFORE YOU GET STARTED.................................................................................................2
W
HAT’S INCLUDED...................................................................................................................... 2
OPTIONAL ITEMS.......................................................................................................................... 2
SOFTWARE INSTALLATION.................................................................................................. 3
WINDOWS 95/98/ME/NT/2000/XP INSTALLATION..................................................................... 3
PHYSICAL INSTALLATION.................................................................................................... 4
TECHNICAL DESCRIPTION.................................................................................................... 5
FEATURES.................................................................................................................................... 5
IUSC™ ....................................................................................................................................... 5
RAM ........................................................................................................................................... 5
CONTROL AND STATUS REGISTERS DEFINED............................................................................... 6
CONTROL AND STATUS NAME DEFINITION.................................................................................. 6
INTERFACE SELECTION ................................................................................................................ 7
RESET CIRCUIT ............................................................................................................................ 7
TSET CLOCK SELECT.................................................................................................................. 7
Z16C32 REGISTER ACCESS.......................................................................................................... 7
I/O SIGNAL DERIVATION ............................................................................................................. 8
25 PIN CONNECTOR SIGNAL LAYOUTS (DB-25 MALE)................................................................ 8
RS-232 SIGNALS.......................................................................................................................... 8
RS-485 OR RS-485T.................................................................................................................... 9
RS-530 (RS-422)......................................................................................................................... 9
RS-530A ................................................................................................................................... 10
V.35 SIGNALS............................................................................................................................ 11
SPECIFICATIONS..................................................................................................................... 12
APPENDIX A – TROUBLESHOOTING................................................................................. 13
APPENDIX B - HOW TO GET ASSISTANCE ...................................................................... 14
APPENDIX C – ELECTRICAL INTERFACE....................................................................... 15
APPENDIX D – SILK SCREEN – 5104 PCB..........................................................................17
APPENDIX E - COMPLIANCE NOTICES............................................................................ 18
FEDERAL COMMUNICATIONS COMMISSION STATEMENT ........................................................... 18
WARRANTY............................................................................................................................... 19
© Sealevel Systems, Inc.
SL9076 Revision 7/2006
ACB-ULTRA.LPCI User Manual
Introduction
ACB-ULTRA.LPCI
The ACB-ULTRA.LPCI adapter provides the PC with a single channel high-speed
multi-protocol serial interface suitable for the most popular communication
protocols. This sync/async card provides an ideal solution for high-speed applications
including LAN/WAN connectivity. Utilizing the Zilog Z16C32 (IUSC™) on chip
DMA controller eliminates bus bandwidth constraints that are placed on typical
interface adapters, allowing data rates to reach 10M bps in burst mode. By utilizing
the Z16C32's 32 byte FIFO buffer coupled with 256K of on board memory, higher
data rates are achieved.
The ACB-ULTRA.LPCI meets the PCISIG size requirements for an MD1 Low
Profile adapter. This allows the ACB-ULTRA.LPCI to be used in a variety of modern
systems, including low profile servers, network appliances and ‘All in One’ desktop
computers. A standard height bracket is available for implementations in a standard
height PCI slot. The ACB-ULTRA.LPCI is a ‘Universal Bus’ adapter, allowing for
use in either +5 or +3.3V PCI slots and provides compliance with the PCISIG PCI
Bus Specification Revision 2.2/2.3, which requires ATX power support for both 5V
and 3.3V.
Other Sealevel Sync Products
PC/104
ACB-104 (P/N 3512) - Z85230 RS-232/422/485/530/530a/V.35
ACB-104.ULTRA (P/N 3514) - Z16C32 RS-232/422/485/530/530a/V.35
PCI
Route 56.PCI (P/N 5101) - Z16C32 RS-232/422/485/530/530a/V.35
ACB-MP.PCI (P/N 5102) - Z85230 RS-232/422/485/530/530a/V.35
Low Profile PCI
ACB-232.LPCI (P/N 5103) - Z85230 RS-232
PCMCIA
PC-ACB-MP (P/N 3612) - Z85233 RS-232/422/485/530/530a/V.35
ISA
ACB-III (P/N 4010) - Z85230 2-Port RS-232
ACB 56 (P/N 4021) - Z85230 RS-232/V.35
ACB-II/EX (P/N 4061) - Z85230 RS-232/422/485/530
ACB 530 (P/N 4111) - Z85230 2-Port RS-422/485/530
Route 56 (P/N 5011) - Z16C32 RS-232/422/485/530/V.35
© Sealevel Systems, Inc.
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ACB-ULTRA.LPCI User Manual
Before You Get Started
What’s Included
The ACB-ULTRA.LPCI is shipped with the following items. If any of these items is
missing or damaged please contact Sealevel for replacement.
ACB-ULTRA.LPCI Adapter
o 5104 includes low profile PCI bracket
o 5104S includes standard size PCI bracket
Sealevel SeaI/O Software CD
Optional Items
Depending upon your application, you are likely to find one or more of the following
items useful for interfacing the ACB-ULTRA.LPCI to real-world signals. All items
can be purchased from our website (http://www.sealevel.com
4343.
CA-178 – A 6’ shielded cable with a DB-25F connector to an ITU-T ISO-2593
style connector (V.35), and converts the Sealevel DB-25 implementation to the
ITU-T V.35 mechanical standard.
CA-104 – A 6’ extension cable with one DB-25M connector and one DB-
25Fconnector, pinned one-to-one, for use with RS-232 and RS-530.
CA-107 – A 10” shielded cabling adapter with a DB-25F (RS-530) to a DB-37M
(RS-449 DTE). RS-530 is replacing RS-449 in Telecom applications, but there is
still a very large installed base of equipment that still uses the RS-449 pin-out.
Both standards use RS-422 to define the electrical specifications and are
interchangeable via this adapter cable.
CA-159 – A 6’ shielded cable with a DB-25F (RS-530) to a DB-15M (X.21), and
converts the standard DB-25 implementation of RS-530 or RS-422 to the ITU-T
X.21 standard.
) or by calling 864-843-
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ACB-ULTRA.LPCI User Manual
Software Installation
Windows 95/98/ME/NT/2000/XP Installation
Do not install the Adapter in the machine until the software has been fully
installed.
1. Start Windows.
2. Insert the Sealevel Systems CD in to your CD drive.
3. If ‘Auto-Start’ is enabled for this drive the software will automatically launch.
Otherwise, point your browser to the ‘Index.htm’ on the root directory of the CD
4. Select ‘Install Software’.
5. Select the Part Number for your adapter from the listing.
6. Select ‘Windows 98/ME/2000/XP’. The setup file will automatically detect the
operating environment and install the proper components. Next (depending on
the OS version) select the ‘Run this program from its current location’ or ‘Open’
option. Follow the information presented on the screens that follow.
7. A screen may appear with the declaration: “The publisher cannot be determined
due to the problems below: Authenticode signature not found.” Please select the
‘Yes’ button and proceed with the installation. This declaration simply means
that the Operating System is not aware of the driver being loaded. It will not
cause any harm to your system.
8. During setup the user may specify installation directories and other preferred
configurations. This program also adds entries to the system registry that are
necessary for specifying the operating parameters for each driver. An uninstall
option is also included to remove all registry/INI file entries from the system.
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ACB-ULTRA.LPCI User Manual
Physical Installation
The adapter can be installed in any PCI (5V or 3.3 V) expansion slot.
Do not install the Adapter in the machine until the software has been fully
installed.
1. Turn off power. Disconnect the power cord.
2. Remove the PC case cover.
3. Locate an available PCI slot and remove the blank metal slot cover.
4. Gently insert the PCI adapter into the slot. Make sure that the adapter is seated
properly.
5. Replace the screw. (This is required to ensure FCC Part 15 compliance.)
6. Replace the cover.
7. Connect the power cord and power up the machine.
The ACB-ULTRA.LPCI is now ready for use.
© Sealevel Systems, Inc.
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ACB-ULTRA.LPCI User Manual
Technical Description
The Sealevel Systems’ ACB-ULTRA.LPCI adapter was designed for seamless
integration into any PCI based system. The ACB-ULTRA.LPCI adapter requires a
PCI slot, one IRQ, an 8 byte block of I/O address and a 16K block or 256K block of
memory address and additionally, the IUSC requires a 256 byte block of memory.
The memory range of this adapter can be configured to reside in the lower 1
Megabyte memory only or anywhere in upper memory. Low memory (not available
on PCI 2.2 or higher systems) must to be configured as 16 X 16K blocks of page
memory. High memory can be configured as a 256K linear block or 16K paged
memory.
Features
Single channel high speed sync/async wide area network (WAN) interface
RS-232, RS-422/449, EIA-530, V.35 and RS-485 serial interface capability with
versatile cabling options
Multi-protocol capable including: PPP (point-to-point protocol), Frame Relay,
X.25, high-speed Async, Bi-Sync, Mono-Sync, HDLC, SDLC, etc.
Ideal for T1, Fractional T1, E1, and ISDN and other WAN applications
On-board Z16C32 (IUSC™) with built in DMA controller and 32 byte FIFO
buffer
Up to 10 Mbps burst mode
256K of on-board RAM
Link list DMA supported
32-bit data path
OEM Security feature available as an option
IUSC™
The ACB-ULTRA.LPCI is based on a single Zilog Z16C32 IUSC (Integrated
Universal Serial Controller). The IUSC has a built-in DMA controller that allows
high-speed data transfers directly to and from the 256K block of on-board memory.
The IUSC’s built-in DMA controller supports 4 different modes of DMA transfer:
Single Buffer, Pipelined, Array, and Link List. An on-board 20MHz oscillator clocks
the IUSC.
RAM
The memory window is located by BIOS PCI setup or the Set PCI function. The
window size is a 16K paged or 256K linear block. In paged mode the registers are
located in the I/O registers.
• Low Memory options: 16 pages of 16K memory blocks totaling 256K (not
available on PCI 2.2 or later systems).
• High Memory options: 16 pages of 16K memory blocks totaling 256K or one
linear block of 256K memory.
© Sealevel Systems, Inc.
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ACB-ULTRA.LPCI User Manual
Control and Status Registers Defined
The control and status registers occupy 8 consecutive locations. The following tables
provide a functional description of the bit positions.
Address Mode D7 D6 D5 D4 D3 D2 D1 D0
Base+0
Base+0
Base+1
Base+1
Base+2
Base+2
Base+3
Base+3
Base+4
Base+4
Base+5
Base+5
Base+6
Base+7
RD {0} {0} {0} {1}+ P17 P16 P15 P14
WR ACCEN MEM/IUC X X P17 P16 P15 P14
RD {0} {0} {0} {0} {0} {0} {0} {0}
WR X X X X X X X X
RD LIN/PAGED {0} {1} {0} {0} {0} {0} {0}
WR LIN/PAGED X X X X X X X
RD {0} {0} INTPEND RESTAT {1} {0} {0} {0}
WR SW Board Reset X X X X X X X
RD {0} IRQEN {0} {0} {0} {0} {0} {0}
WR X IRQEN X X X X X X
RD LL RL {0} {0} M3 M2 M1 M0
WR LL RL X X M3 M2 M1 M0
RD SD7 SD6 SD5 SD4 SD3 SD2 SD1 SD0
RD SD15 SD14 SD13 SD12 SD11 SD10 SD9 SD8
X = do not care { }= always this value
Control and Status Name Definition
Field Description
ACCEN
MEM/IUC
P17-P14
IRQEN
INTPEND
RESTAT
RL
LL
M0-M3
SD0-SD15
1 = Host access to RAM or IUSC enabled; 0 = Host access to RAM or IUSC disabled. (0 on power-up)
1 = Enable Host access to RAM; 0 = Enable Host access to IUSC. (0 on power-up)
These bits select which of sixteen 16K RAM pages is visible at the address selected by MA18-MA14.
1 = Interrupts enabled, 0 = Interrupts disabled. (0 on power-up)
IUSC interrupt status: 1 = No interrupt pending on IUSC; 0 = Interrupt pending on IUSC.
Reset status: 1 = On-board reset inactive; 0 = On-board reset active.
Remote loopback
Local loopback
I/O mode select to SP505 (all 0 on power-up)
See Interface Selection table for valid interface options
Optional security feature. Unique value per customer or application. (default value = FFFF)
LIN/PAGE
1=256K linear block in high memory only, 0=16X16K pages in low or high memory, (0 on power-up)
© Sealevel Systems, Inc.
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ACB-ULTRA.LPCI User Manual
Interface Selection
The ACB-ULTRA.LPCI supports a variety of electrical interfaces. Reference the
Control and Status Registers Defined section of this manual for this bit description.
There is line termination on RXD, RXC, and TXC in the following modes: RS-530,
RS-530A, RS-485T, and V.35.
Reset Circuit
Writing any value to base+3 will reset the Z16C32. Only one write is required. This
starts a reset sequence, which lasts about 320 ns. During the reset sequence base+3
bit D4 will read 0. When the reset is complete, base+3 bit D4 will read 1.
The Z16C32 should not be accessed until the reset sequence is complete.
TSET Clock Select
Port5 of Z16C32 is used to select TSET clock source.
0 selects 16C32 TXC as source
1 selects received TXC as source
Z16C32 Register Access
Pin Source
Port0 20 MHz clock
Port1 20 MHz clock
D/C (data/control) Address SA6
S/D (serial/DMA) Address SA7
DMA channel registers Base + 0-127
Serial controller base + 128-255
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ACB-ULTRA.LPCI User Manual
I/O Signal Derivation
The ACB-ULTRA.LPCI input/output signals are directly generated via the Zilog
16C32 IUSC. The following table defines these signals, their origin pin and signal
name following the conventions set by the 16C32 user’s manual. If using a Sealevel
Systems, Inc. supplied driver, this is for informational use only.
Signal Source
Transmit Data 16C32 TXD Pin
Request To Send 16C32 Port7 Pin
Data Terminal Ready 16C32 Port6 Pin
Transmit Signal Element Timing 16C32 TXC Pin
Receive Data 16C32 RXC Pin
Clear To Send 16C32 CTS Pin
Data Set Ready 16C32 RXREQ Pin
Data Carrier Detect 16C32 DCD Pin
Transmit Clock 16C32 TXCO Pin
Receive Clock 16C32 RXCO Pin
Ring Indicator 16C32 TXREQ Pin
25 Pin Connector Signal Layouts (DB-25 Male)
In all modes, Pin 1 has a 1K ohm resistor to GND and pin 25 has a 1K ohm resistor
to +5V connection. This is useful for RS-485 biasing. If this presents a problem in
your implementation, please contact Sealevel Systems’ Technical Support for aid in
removing.
RS-232 Signals
Base+5, M3-M0=2, 0010
Signal Name Pin # Mode
GND Ground 7
RD Receive Data 3 Input
CTS Clear To Send 5 Input
DSR Data Set Ready 6 Input
DCD Data Carrier Detect 8 Input
TM Test Mode 25 Input
RI Ring Indicator 22 Input
TXC Transmit Clock 15 Input
RXC Receive Clock 17 Input
TSET Transmit Signal Element Timing 24 Output
DTR Data Terminal Ready 20 Output
TD Transmit Data 2 Output
RTS Request To Send 4 Output
LL Local Loop-back 18 Output
RL Remote Loop-back 21 Output
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ACB-ULTRA.LPCI User Manual
RS-485 or RS-485T
Base+5, M3-M0=4, 0100 (With termination)
Base+5, M3-M0=5, 0101 (Without termination)
Signal Name Pin # Mode
GND Ground 7
RDB RX+ Receive Positive 16 Input
RDA RX- Receive Negative 3 Input
TXCB TXC+ Transmit Clock Positive 12 Input
TXCA TXC- Transmit Clock Negative 15 Input
RXCB RXC+ Receive Clock Positive 9 Input
RXCA RXC- Receive Clock Negative 17 Input
TDB TX+ Transmit Positive 14 Output
TDA TX- Transmit Negative 2 Output
TSETB TSET+ Transmit Signal Element Timing Positive 11 Output
TSETA TSET- Transmit Signal Element Timing Negative 24 Output
LL Local Loop-back 18 Output
RL Remote Loop-back 21 Output
RS-530 (RS-422)
Base+5, M3-M0=D, 1101
Signal Name Pin # Mode
GND Ground 7
RDB RX+ Receive Positive 16 Input
RDA RX- Receive Negative 3 Input
CTSB CTS+ Clear To Send Positive 13 Input
CTSA CTS- Clear To Send Negative 5 Input
DCDB DCD+ Data Carrier Detect Positive 10 Input
DCDA DCD- Data Carrier Detect Negative 8 Input
TXCB TXC+ Transmit Clock Positive 12 Input
TXCA TXC- Transmit Clock Negative 15 Input
RXCB RXC+ Receive Clock Positive 9 Input
RXCA RXC- Receive Clock Negative 17 Input
TDB TX+ Transmit Positive 14 Output
TDA TX- Transmit Negative 2 Output
RTSB RTS+ Request To Send Positive 19 Output
RTSA RTS- Request To Send Negative 4 Output
DTRB DTR+ Data Terminal Ready Positive 23 Output
DTRA DTR- Data Terminal Ready Negative 20 Output
TSETB TSET+ Transmit Signal Element Timing Positive 11 Output
TSETA TSET- Transmit Signal Element Timing Negative 24 Output
DSRB DSR+ Data Set Ready Positive 22 Input
DSRA DSR- Data Set Ready Negative 6 Input
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ACB-ULTRA.LPCI User Manual
RS-530A
Base+5, M3-M0=F, 1111
Signal Name Pin # Mode
GND Ground 7
RDB RX+ Receive Positive 16 Input
RDA RX- Receive Negative 3 Input
CTSB CTS+ Clear To Send Positive 13 Input
CTSA CTS- Clear To Send Negative 5 Input
DCDB DCD+ Data Carrier Detect Positive 10 Input
DCDA DCD- Data Carrier Detect Negative 8 Input
TXCB TXC+ Transmit Clock Positive 12 Input
TXCA TXC- Transmit Clock Negative 15 Input
RXCB RXC+ Receive Clock Positive 9 Input
RXCA RXC- Receive Clock Negative 17 Input
DSRA DSR- Data Set Ready Negative 6 Input
TDB TX+ Transmit Positive 14 Output
TDA TX- Transmit Negative 2 Output
RTSB RTS+ Request To Send Positive 19 Output
RTSA RTS- Request To Send Negative 4 Output
TSETB TSET+ Transmit Signal Element Timing Positive 11 Output
TSETA TSET- Transmit Signal Element Timing Negative 24 Output
DTRA DTR- Data Terminal Ready Negative 20 Output
LL Local Loopback 18 Output
RL Remote Loopback 21 Output
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ACB-ULTRA.LPCI User Manual
V.35 Signals
Base+5, M3-M0=E, 1110
Signal Name DB-
GND Ground 7 B
RDB RX+ Receive Positive 16 T Input
RDA RX- Receive Negative 3 R Input
TXCB TXC+ Transmit Clock Positive 12 AA Input
TXCA TXC- Transmit Clock Negative 15 Y Input
RXCB RXC+ Receive Clock Positive 9 X Input
RXCA RXC- Receive Clock Negative 17 V Input
TDB TX+ Transmit Positive 14 S Output
TDA TX- Transmit Negative 2 P Output
TSETB TSET+ Transmit Signal Element Timing + 11 W Output
TSETA TSET- Transmit Signal Element Timing - 24 U Output
CTS Clear To Send 5 D Input *
DSR Data Set Ready 6 E Input *
DCD Data Carrier Detect 8 F Input *
RI Ring Indicator 22 J Input *
DTR Data Terminal Ready 20 H Output *
RTS Request To Send 4 C Output *
LL Local Loop-back 18 Output *
RL Remote Loop-back 21 Output *
• Note: All modem control signals are single ended (un-balanced) with RS-232
signal levels.
Technical Note: Please terminate any control signals that are not going to be used.
The most common way to do this is connect RTS to CTS and RI. Also, connect DCD
to DTR and DSR. Terminating these pins, if not used, will help insure you get the
best performance from your adapter.
25
V.3
5
Mode
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ACB-ULTRA.LPCI User Manual
Specifications
Environmental Specifications
Specification Operating Storage
Temperature
Range
Humidity
Range
Manufacturing
All Sealevel Systems Printed Circuit boards are built to UL 94V0 rating and are
100% electrically tested. These printed circuit boards are solder mask over bare
copper or solder mask over tin nickel.
Power Consumption
Supply line
Rating
Physical Dimensions
0º to 70º C
(32º to 158º F)
10 to 90% R.H.
Non-Condensing
+3.3VDC +5 VDC
350 mA 100mA
-50º to 105º C
(-58º to 221º F)
10 to 90% R.H.
Non-Condensing
Board length 4.721 inches (11.991 cm)
Board Height including Goldfingers 2.536 inches (6.441 cm)
© Sealevel Systems, Inc.
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ACB-ULTRA.LPCI User Manual
Appendix A – Troubleshooting
Following these simple steps can eliminate most common problems.
Install software first. After installing the software then proceed to adding the
hardware. This places the required installation files in the correct locations.
Read this manual thoroughly before attempting to install the adapter in your system.
Use Device Manager under Windows to verify proper installation.
Use the SeaIO Control Panel applet or the Device Manager’s property page for card
identification and configuration.
If these steps do not solve your problem, please call Sealevel Systems’ Technical
Support, (864) 843-4343. Our technical support is free and available from 8:00AM5PM Eastern Time Monday through Friday. For email support contact
mailto:support@sealevel.com
.
© Sealevel Systems, Inc.
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ACB-ULTRA.LPCI User Manual
Appendix B - How To Get Assistance
Begin by reading through the Trouble Shooting Guide in Appendix A. If assistance
is still needed please see below.
When calling for technical assistance, please have your user manual and current
adapter settings. If possible, please have the adapter installed in a computer ready to
run diagnostics.
Sealevel Systems provides an FAQ section on its web site. Please refer to this to
answer many common questions. This section can be found at
http://www.sealevel.com/faq.asp
Sealevel Systems maintains a Home page on the Internet. Our home page address is
http://www.sealevel.com
available via our FTP site that can be accessed from our home page.
Technical support is available Monday to Friday from 8:00 a.m. to 5:00 p.m. eastern
time. Technical support can be reached at (864) 843-4343.
. The latest software updates, and newest manuals are
RETURN AUTHORIZATION MUST BE OBTAINED FROM SEALEVEL
SYSTEMS BEFORE RETURNED MERCHANDISE WILL BE ACCEPTED.
AUTHORIZATION CAN BE OBTAINED BY CALLING SEALEVEL
SYSTEMS AND REQUESTING A RETURN MERCHANDISE
AUTHORIZATION (RMA) NUMBER.
© Sealevel Systems, Inc.
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ACB-ULTRA.LPCI User Manual
Appendix C – Electrical Interface
RS-232
Quite possibly the most widely used communication standard is RS-232. This implementation has been
defined and revised several times and is often referred to as RS-232 or EIA/TIA-232. It is defined by the
EIA as the Interface between Data Terminal Equipment and Data Circuit- Terminating Equipment
Employing Serial Binary Data Interchange. The mechanical implementation of RS-232 is on a 25 pin D
sub connector. RS-232 is capable of operating at data rates up to 20 Kbps at distances less than 50 ft. The
absolute maximum data rate may vary due to line conditions and cable lengths. RS-232 often operates at
38.4 Kbps over very short distances. The voltage levels defined by RS-232 range from -12 to +12 volts.
RS-232 is a single ended or unbalanced interface, meaning that a single electrical signal is compared to a
common signal (ground) to determine binary logic states. A voltage of +12 volts (usually +3 to +10 volts)
represents a binary 0 (space) and -12 volts (-3 to -10 volts) denotes a binary 1 (mark). The RS-232 and the
EIA/TIA-574 specification defines two type of interface circuits, Data Terminal Equipment (DTE) and
Data Circuit-Terminating Equipment (DCE). The Sealevel Systems adapter is a DTE interface.
RS-422
The RS-422 specification defines the electrical characteristics of balanced voltage digital interface
circuits. RS-422 is a differential interface that defines voltage levels and driver/receiver electrical
specifications. On a differential interface, logic levels are defined by the difference in voltage between a
pair of outputs or inputs. In contrast, a single ended interface, for example RS-232, defines the logic
levels as the difference in voltage between a single signal and a common ground connection. Differential
interfaces are typically more immune to noise or voltage spikes that may occur on the communication
lines. Differential interfaces also have greater drive capabilities that allow for longer cable lengths.
RS-422 is rated up to 10 Megabits per second and can have cabling 4000 feet long. RS-422 also defines
driver and receiver electrical characteristics that will allow 1 driver and up to 32 receivers on the line at
once. RS-422 signal levels range from 0 to +5 volts. RS-422 does not define a physical connector.
RS-485
RS-485 is backwardly compatible with RS-422; however, it is optimized for partyline or multi-drop
applications. The output of the RS-422/485 driver is capable of being Active (enabled) or Tri-State
(disabled). This capability allows multiple ports to be connected in a multi-drop bus and selectively
polled. RS-485 allows cable lengths up to 4000 feet and data rates up to 10 Megabits per second. The
signal levels for RS-485 are the same as those defined by RS-422. RS-485 has electrical characteristics
that allow for 32 drivers and 32 receivers to be connected to one line. This interface is ideal for multi-drop
or network environments. RS-485 tri-state driver (not dual-state) will allow the electrical presence of the
driver to be removed from the line. Only one driver may be active at a time and the other driver(s) must
be tri-stated. RS-485 can be cabled in two ways, two wire and four wire mode. Two wire mode does not
allow for full duplex communication, and requires that data be transferred in only one direction at a time.
For half-duplex operation, the two transmit pins should be connected to the two receive pins (Tx+ to Rx+
and Tx- to Rx-). Four wire mode allows full duplex data transfers. RS-485 does not define a connector
pin-out or a set of modem control signals. RS-485 does not define a physical connector.
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ACB-ULTRA.LPCI User Manual
RS-530 / 530A
RS-530 (a.k.a. EIA-530) compatibility means that RS-422 signal levels are met, and the pin-out for the
DB-25 connector is specified. The EIA (Electronic Industry Association) created the RS-530 specification
to detail the pin-out, and define a full set of modem control signals that can be used for regulating flow
control and line status. The major difference between RS-530 and RS-530A lies in some of the modem
control interface signals. In RS-530 the signals all of the modem control signals are differential, in RS530A some of these signals are single ended. The RS-530 specification defines two types of interface
circuits, Data Terminal Equipment (DTE) and Data Circuit-Terminating Equipment (DCE). The Sealevel
Systems adapter is a DTE interface.
V.35
V.35 is a standard defined by ITU (formerly CCITT) that specifies an electrical, mechanical, and physical
interface that is used extensively by high-speed digital carriers such as AT&T Dataphone Digital Service
(DDS). ITU V.35 is an international standard that is often refereed to as Data Transmission at 48 Kbps
Using 60 - 108 KHz Group-Band Circuits. ITU V.35 electrical characteristics are a combination of
unbalanced voltage and balanced current mode signals. Data and clock signals are balanced current mode
circuits. These circuits typically have voltage levels from 0.5 Volts to -0.5 Volts (1 Volt differential). The
modem control signals are unbalanced signals and are compatible with RS-232. The physical connector is
a 34 pin connector that supports 24 data, clock and control signals. The physical connector is defined in
the ISO-2593 standard. ITU V.35 specification defines two type of interface circuits, Data Terminal
Equipment (DTE) and Data Circuit-Terminating Equipment (DCE). The Sealevel Systems adapter is a
DTE interface.
© Sealevel Systems, Inc.
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ACB-ULTRA.LPCI User Manual
Appendix D – Silk Screen – 5104 PCB
2.536"
4.721"
© Sealevel Systems, Inc.
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ACB-ULTRA.LPCI User Manual
Appendix E - Compliance Notices
Federal Communications Commission Statement
FCC - This equipment has been tested and found to comply with the limits for Class
A digital device, pursuant to Part 15 of the FCC Rules. These 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 such case the user will be required to correct the interference at the
users expense.
EMC Directive Statement
Products bearing the CE Label fulfill the requirements of the EMC directive
(89/336/EEC) and of the low-voltage directive (73/23/EEC) issued by the European
Commission.
To obey these directives, the following European standards must be met:
EN55022 Class A - “Limits and methods of measurement of radio interference
characteristics of information technology equipment”
EN55024 – “Information technology equipment Immunity characteristics Limits and
methods of measurement”.
EN60950 (IEC950) - “Safety of information technology equipment, including
electrical business equipment”
Warning
This is a Class A Product. In a domestic environment, this product may cause
radio interference in which case the user may be required to take adequate
measures to prevent or correct the interference.
Always use cabling provided with this product if possible. If no cable is provided or
if an alternate cable is required, use high quality shielded cabling to maintain
compliance with FCC/EMC directives.
© Sealevel Systems, Inc.
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ACB-ULTRA.LPCI User Manual
Warranty
Sealevel's commitment to providing the best I/O solutions is reflected in the Lifetime
Warranty that is standard on all Sealevel manufactured products. We are able to
offer this warranty due to our control of manufacturing quality and the historically
high reliability of our products in the field. Sealevel products are designed and
manufactured at its Liberty, South Carolina facility, allowing direct control over
product development, production, burn-in and testing.
Sealevel Systems, Inc. (hereafter "Sealevel") warrants that the Product shall conform
to and perform in accordance with published technical specifications and shall be
free of defects in materials and workmanship for life. In the event of failure,
Sealevel will repair or replace the product at Sealevel's sole discretion. Failures
resulting from misapplication or misuse of the Product, failure to adhere to any
specifications or instructions, or failure resulting from neglect or abuse are not
covered under this warranty.
Warranty service is obtained by delivering the Product to Sealevel and providing
proof of purchase. Return authorization must be obtained from Sealevel Systems
before returned merchandise will be accepted. Authorization is obtained by
calling Sealevel Systems and requesting a Return Merchandise Authorization
(RMA) number. The Customer agrees to insure the Product or assume the risk of
loss or damage in transit, to prepay shipping charges to Sealevel, and to use the
original shipping container or equivalent. Warranty is valid only for original
purchaser and is not transferable.
Trademarks
Sealevel Systems assumes no liability for any damages, lost profits, lost savings or
any other incidental or consequential damage resulting from the use, misuse of, or
inability to use this product. Sealevel Systems will not be liable for any claim made
by any other related party.
This warranty applies to Sealevel manufactured Product. Product purchased through
Sealevel but manufactured by a third party will retain the original manufacturer's
warranty.
Sealevel Systems, Incorporated
2779 Greenville Highway
P.O. Box 830
Liberty, SC 29657 USA
(864) 843-4343 FAX: (864) 843-3067
www.sealevel.com
email: support@sealevel.com
Technical Support is available Monday - Friday from 8 a.m. to 5 p.m. Eastern time
Sealevel Systems, Incorporated acknowledges that all trademarks referenced in this
manual are the service mark, trademark, or registered trademark of the respective
company.
© Sealevel Systems, Inc.
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ACB-ULTRA.LPCI User Manual
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