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1992-05-20
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HP-PB 16-Channel Asynchronous Multiplexers, Technical Data
Product Numbers HP J2092A, J2093A, J2094A
The 16-channel Asynchronous Multiplexers provide a means to connect up
to sixteen asynchronous serial devices to PA-RISC HP9000 Series 800
Computers which use the HP-PB (Hewlett-Packard Precision Bus) as their
primary system input/output bus (8x2 and 8x7 Series ) and have HP-UX
operating system version 8.0 or later installed.
Based on on-board microprocessor and memory, the Multiplexer handles
data transmission and control, inbound and outbound traffic flow
control, and modem signals control. It is thus an intelligent and
powerful IO card freeing the system CPU of traffic overhead and
guaranteeing data integrity and no character loss.
The 16-channel multiplexers provide one of the following solutions:
J2092A: 16 RS-232-C compatible ports for direct connection
J2093A: 16 RS-423-A compatible ports for direct connection requiring
long distance cabling
J2094A: 16 RS-232-C compatible ports for direct and remote connection
with support of full duplex modem control
A wide range of configurable transmission modes and formats permits
hardwired and remote connection of various CRT terminals, printers,
plotters, and other asynchronous devices.
Features
Feature set common to the three products:
o Programmable data-rate for each channel
o Programmable character size: 7 or 8 data bits
o Programmable number of stop bits: 1 or 2
o Parity, overrun, framing error check detects transmission faults
o Break detection and generation
o Automatic and programmable device XON/XOFF handshaking to pace MUX
input and output data transmission
o Programmable parity: odd, even, or none
o On-board buffering to send/receive data to/from host for multiple
ports
o Firmware based self tests executed at "power-on"
o A customer diagnostic utility is available to verify hardware/software
and data path integrity for each port with the use of loopback hood
supplied with the product
o Online diagnostic tools are also available to support engineers to
troubleshoot the card
Features specific to the J2092A product:
o EIA RS-232-C and V24/V28 compatibility for data only connections (no
modem control) on default DB-25 female standard connectors provided
with the product, or on customized connection scheme
o Line speed up to 38.4 kb/s
o Remote support of the card is possible through the use of the
diagnostic tools.
Features specific to the J2093A product:
o EIA RS-423-A and V10 compatibility for data only connections (no modem
control) on the default DB-25 female standard connectors provided with
the product, or on a customized connection scheme. This allow the
operation of RS-423 & RS-422 devices such as HP terminals (HP700/32,
HP700/92, HP700/94, HP2392A) and HP printers (HP LaserJets) at
distances up to 1200m.
o Line speed up to 38.4 kb/s
Features specific to the J2094A product:
o EIA RS-232-C and V24/V28 compatibility for connection of terminals,
modems, or serial printers on DB-25 standard connectors.
o All lines support full-duplex modem control (8 signals per channel)
which permit point-to-point dialup or leased line operation. .
o Three types of modem protocol are supported:
- Bell protocol, 2 signals: DTR and DCD
- CCITT protocol,6 signals: DTR,DCD,DSR,RTS,CTS,RI
- No protocol, user can handle 8 signals (4 input/4 output)
o Line speed up to 19.2 kb/s.
o Hardware flow-control capability through the use of CTS/RTS signals.
o Remote support of the card and connection panels is possible through
the use of the diagnostic tools.
Functional Description
The 16-channel Asynchronous Multiplexers comprise three major functional
assemblies:
o The MUX card: A single width HP-Precision Bus card that interfaces
with the system backplane
o Two "distribution panels" (8 ports each) offering standard DB-25
connectors for peripheral attachment. For the J2092A and J2093A
products, they are known as "Direct Distribution Panel - DDP." For the
J2094A product, they are known as "Active Distribution Panel - ADP
II." These distribution panels can be rack mounted in standard 19"
bays. (Refer to the section "related products" of this data sheet for
more details)
Optionally, these distribution panels can be removed for the direct
connect multiplexers - J2092A, J2093A - thus allowing the MUX to be
linked to any type of connectors or cabling scheme (i.e. RJ11, RJ45,
punch panels, data switches...). See "functional specification" section
of this data sheet for connector pin-out.
o The link cable between the MUX card and the distribution panels (4
meters).
At the heart of the HP 16-channel multiplexers is a circuit card that
contains a 68000 microprocessor and associated PROM and RAM memory. The
128 Kbyte PROM contains the power-up self-test and system support code.
The code downloaded from the host is stored in the 256 Kbyte RAM.
Download operation and card diagnostics are performed through a special
supervisor on-card buffer.
Functional Specifications
Buffering: On-card buffering to send/receive data for multiple ports
to increase throughput and reduce host CPU load.
Transmit Buffer Size: 255 bytes per port
Receive Buffer Size: 511 bytes per port
Software: HP 9000 Series 800 HP-UX revision 8.0 or later
Communications
Signals available on the DB-25 connectors of either the DDP or ADP II
for the RS-232-C products.
________________________________________________________________________
Input/ Connector Connector
RS- V.24 Abbrev. Description Output Pin Nos. Pin Nos.
232-C on ADP II on DDP
________________________________________________________________________
AA 101 Protective Ground N/A 1 1
AB 102 SG Signal Ground N/A 7 7
BA 103 SD Transmit Data O 3 3
BB 104 RD Receive Data I 2 2
CA 105 RS Request to Send O 8 N/A
CB 106 CS Clear to Send I 22 N/A
CC 107 DM Data Set Ready I 20 N/A
CD 108 TR Data Terminal Ready O 6 N/A
CF 109 RR Data Carrier Detect I 4 N/A
CH 111 SR Signal Rate Selector O 23 N/A
CE 125 IC Ring Indicator O 9 N/A
-- -- GPO Gen. Purpose Output O 5 N/A
________________________________________________________________________
Signals available on the DB-25 connectors of the DDP for the RS-423A
product for connection of RS-423 or RS-422 devices.
________________________________________________________________________
Description Input/ Connector
Output Pin Nos on DDP
________________________________________________________________________
Protective Ground -- 1
Transmit Data (+) O 15 & 16
Transmit Data (-) O 17 & 3
Receive Data (+) I 19 & 14
Receive Data (-) I 25 & 2
________________________________________________________________________
Note: The pins 15, 17, 19, 25 provide compatibility with the RS-423
interface. The signals are also provided on pins 16, 3, 14, 2 to offer
an interface compatible with the standard mechanical interface: RS-530.
To allow flexible and customized cabling scheme using connectors
other than the default DB-25 connectors distribution panels, the direct
connect products - J2092A, J2093A - offer on the MUX card a single sub-D
high density 78 pins connector (female) for the 16 ports. To facilitate
cable realization, a 78 pins connector (male, to crimp) is supplied with
the product when the default distribution panels are deleted through the
product option (see ordering information below)
Pin-out of the 78 Pins Connector:
Naming convention for the pin name in the table:
o Each of the 16 ports use up to 4 wires
- NtxP = Transmit Data (-) output signal
- txP = Transmit Data (+) output signal (GROUND for RS-232-C)
- NrxP = Receive Data (-) input signal
- rxP = Receive Data (+) input signal (not used for RS-232-C)
- Where P is the port number (from 0 to 15). The pins unused in the
connector are noted: NA
________________________________________________________________________
Name Pin No Name Pin No
________________________________________________________________________
Ntx8 A1 Ntx9 C1
Nrx8 A2 Nrx9 C2
Ntx10 A3 Ntx11 C3
Nrx10 A4 Nrx11 C4
Ntx12 A5 Ntx13 C5
Nrx12 A6 Nrx13 C6
Ntx14 A7 Ntx15 C7
Nrx14 A8 Nrx15 C8
NA A9 NA C9
NA A10 NA C10
NA A11 NA C11
NA A12 NA C12
Ntx0 A13 Ntx1 C13
Nrx0 A14 Nrx1 C14
Ntx2 A15 Ntx3 C15
Nrx2 A16 Nrx3 C16
Ntx4 A17 Ntx5 C17
Nrx4 A18 Nrx5 C18
Ntx6 A19 Ntx7 C19
Nrx6 A20 Nrx7 C20
tx8 B1 tx9 D1
rx8 B2 rx9 D2
tx10 B3 tx11 D3
rx10 B4 rx11 D4
tx12 B5 tx13 D5
rx12 B6 rx13 D6
tx14 B7 tx15 D7
rx14 B8 rx15 D8
NA B9 NA D9
NA B10 NA D10
NA B11 NA D11
tx0 B12 tx1 D12
rx0 B13 rx1 D13
tx3 D14 tx2 B14
rx3 D15 rx2 B15
tx4 B16 tx5 D16
rx4 B17 rx5 D17
tx6 B18 tx7 D18
rx6 B19 rx7 D19
________________________________________________________________________
Data Rates: Baud rate defaults to 9600 and is software programmable to
any of the following rates: 75, 150, 300, 600, 1200, 2400, 4800, 9600,
19200. In addition, 38400 bits/s is supported with J2092A and J2093A
products.
________________________________________________________________________
cross talk between pairs bits/sec meters/(feet)
1 volt (RS 423 recommendation) 0 to 38400 300/(1200)
2 volts (with HP peripherals) 0 to 19200 1200/(4000)
38400 300/(1200)
________________________________________________________________________
Note regarding the J2093A product: The maximum baud rates/distances
supported are the following:
Throughput: The 16-channel Multiplexer hardware and firmware is able
to support an inbound data throughput of 19.2 K baud simultaneously on
each channel (or 38.4 K baud simultaneously on 8 channels), without
character loss when flow control is activated, or an outbound data
throughput of 19.2 K baud simultaneously on each channel. However, the
global system performance of the system is dependent on the customer
application and on the HP 9000 HP-PB Series 800 computer load and
performance.
Communication Mode: Bit serial, asynchronous.
Break Detection and Transmission: Break condition is recognized by
the interface, and message is sent to the host. Break condition can also
be generated by the MUX at the request of the host.
Device Handshakes: The MUX is capable of pacing both inbound an
outbound data via an "XON/XOFF" type of protocol. The "XON/XOFF"
characters are programmable. The host may program the MUX card to
automatically manage "XON/XOFF" flow control, thus avoiding any
character loss. The "XON/XOFF" may also be under application control,
but no data loss is guaranteed only if the MUX is responsible for
flow-control.
In the J2094A product, in addition to the XON/XOFF flow control mode,
inbound and outbound data flow can be managed by the MUX card through
the use of CTS/RTS modem signals.
Edit Functions: Edit functions such as backspace, character delete,
and line delete are passed to the host and managed by the host operating
system.
Physical Specifications
________________________________________________________________________
Height Width Depth Weight
________________________________________________________________________
MUX card 29.5 mm 100 mm 220 mm 0.25kg
(P/N J209x-60001) (1.15 in) (3.90 in.) (8.58 in.)
ADP II box 257 mm 110 mm 32 mm 0.4kg
(P/N 5062-3054) (10.12 in.) (4.29 in.) (1.25 in.)
DDP box 215 mm 100 mm 30 mm 0.7kg
(P/N 5062-3066) ( 8.47 in.) (3.94 in.) (1.18 in.)
________________________________________________________________________
Electrical Specifications
Direct Current Requirements:
________________________________________________________________________
Voltage J2092A J2093A J2094A
MAX current MAX current MAX current
________________________________________________________________________
+5 1.10 A 1.10 A 1.70 A
+12 0.08 A 0.20 A 0.30 A
-12 0.08 A 0.15 A 0.15 A
________________________________________________________________________
Note for the J2093A: max current on -12V is 0.25 A if a multireceiver
configuration is used.
Installation and Support
The J2092A product is usually bundled with the system when purchased
with the system option 60x, however, it may also be purchased, as an
add-on product as can the J2093A and J2094A products. All three products
are customer installable, however, customers can choose to purchase
installation services from Hewlett-Packard if they wish.
Diagnostics: A self-test is performed at power-on by the system on
all cards. Visual status indicators exist on the MUX panel. Two LED
indicators monitor the ADP II status (power-on and link) of J2094A.
customer diagnostic utility is available to perform verification of each
port data path through the use of a loopback hood provided with the
product.
Additional online diagnostics and reset capabilities are provided
through the system diagnostic environment (DUI) for use by HP Customer
Engineers.
Support Services: Hardware/Software support services available for
this product are included in the System Support services.
Ordering Information
The 16-channel RS-232-C direct connect multiplexer (J2092A) with DB-25
connectors is bundled with the HP 9000 Series 800 systems when ordered
with the system option 60x (refer to the HP9000 configuration guide).
For add-on cards or other configurations, use the following:
J2092A HP-PB 16 channel RS-232-C Direct Connect Asynchronous Multiplexer
J2093A HP-PB 16 channel RS-423-A Direct Connect Asynchronous Multiplexer
J2094A HP-PB 16 channel RS-232-C MODEM Connect Asynchronous Multiplexer
Software media options (MUST add one of them for use in a system running
HP-UX 8.0):
AA0 software on 1/4" cartridge tape
AA1 software on 1/2" magnetic tape
AAH software on DDS cartridge
Interface option (can order with J2092A, J2093A products):
1BZ delete the DB-25 port connection kit" (cable and DDPs)
The J2092A includes the following assemblies:
- 1 * MUX card: J2092-60001
- 1 * link cable: 5062-3052
- 2 * DDP: 5062-3066
- 1 * loopback hood: 5181-2030
- 1 * installation manual: 5959-4972
The J2093A includes the following assemblies:
- 1 * MUX card: J2093-60001
- 1 * link cable: 5062-3052
- 2 * DDP: 5062-3066
- 1 * loopback hood: 5181-2030
- 1 * installation manual: 5959-4972
The J2094A includes the following assemblies:
- 1 * MUX card: J2094-60001
- 1 * link cable: J2094-60004
- 2 * ADP: 5062-3054
- 1 * installation manual: 5959-4972
Related Products
The DDP and ADP II are standalone boxes but may be rack mounted in
standard cabinets such as the 46298B/C (EIA 19 inch x 1m or x 1.6 m)
especially when used in large configurations.
A DDP/ADP Rack Installation Kit has been designed specially to
install the DDP/ADP into the above cabinets. Refer to the D2350A
product.
Recommended Peripheral Cables
DDP (RS-423) connected to an RS-423 or RS-422 device: The cable length
and the terminal-end connector type are highly dependent upon the layout
of system and peripherals and upon the terminal used. Therefore,
customized cables should be made using the pin-out given in the
functional specifications above.
________________________________________________________________________
Recommended Also supported
________________________________________________________________________
ADP II connected to a modem 40233A 92219Q
ADP II connected to a terminal 40234A 40242Y, 13242Y
(without hardware flow control) 40242M, 13242M
13242N
DDP (RS-232) connected to a terminal 40234A
40242Y, 13242Y
40242M, 13242M,
13242N
________________________________________________________________________
Note: A DDP or ADP II port (RS-232-C) will be considered as: - an
HP standard DTE at the termination of a 40233A cable - an HP standard
DCE at the termination of a 40234A cable
ADP II connected to a device using the "hardware flow control": A
cable should be made using the ADP II pin-out in the functional
specification above. In addition to the data signals, the RTS/CTS
signals (pins 8/22 of the ADP II) must be connected to the CTS/DTR (pins
5/20) of the device.
Description of the cables:
40234A 5m (16ft), 25-pin M to 25-pin M connector
40233A 5m (16ft), 25-pin M to 25-pin M connector
13242M 5m (16ft), 25-pin M to 25-pin M connector
13242N 5m (16ft), 25-pin M to 25-pin M connector
13242Y 5m (16ft), 25-pin M to 25-pin M connector
40242Y 5m (16ft), 25-pin M to 25-pin M connector, RFI filtered
40242M 5m (16ft), 25-pin M to 25-pin M connector, RFI filtered
92219Q 1m (3.3ft) 25-pin M to 25-pin M connector
Note: Cables like the 13242M/N, 40242M and 92219Q have the line 23
connected which is used for internal loopback selftest. If the device
attached to the cable monitors this line during the selftest, it could
result by a selftest error message.
Note that RS-232-C Standard is limited by cable capacitance. HP will
support the use of non-HP RS-232-C cables provided that the cables used
are compliant with RS-232-C recommendations.
From HP Networking Communications Specification Guide,
5091-3821E, 9205, p 035
Associated files: A3821035.DOC
HP-PB 16-Channel Asynchronous Multiplexers, Technical Data