Toshiba Strata Dk14, Dk40i, Dk424 Installation And Maintenance Manual

							Peripheral Installation
PC/Data Communications Interface Units
Strata DK I&M    5/9910-49
Peripheral Installation
1. RS-232 cable and connector information is provided in Figures 10-26 to 10-33.
2.See Chapter 3 – DK40i Installation and Chapter 8 – DK40i/DK424 Universal Slot PCB Wiring for PC, data interface and 
modem MDF station wiring.
Figure 10-24 DK Data Communications Installation Example Block Diagram
DIGITAL
(Port 005)
RSTU2
PSTU
RDSU
RSTS
(Port 008)
DIGITAL
(Port 003)
Digital
(Port 000)
Digital
(Port 001)
T
O
S
H
I
B
A
DIUPOWERREADYCONNECTTOSHIBA
DIGITAL
(Port 004)
DIUPOWERREADYCONNECTTOSHIBA
DIUPOWERREADYCONNECTTOSHIBA
Portable PC 1
RS-232
1DKT/RPCI-DI or 
DKT/PDIU-DI
(200)MDF2
MDF2
MDF2
MDF2
MDF2
RS-2321
RS-2321
RS-2321
RS-2321
Portable PC 2
DKT/RPCI-DI or 
DKT/PDIU-DI
(201)
Serial
Printer
PDIU-DS
(203)
MODEM
(208)
PDIU-DS
(204)
Modem 1
(219)
PDIU-DS
(205)
Modem
Pool
Modem MDF
CO
LINE 1Public
Telephone
Network
Telephone
Line X
Telephone
Line Y
RS-2321
Portable
PC2
Dial-up
Computer
Service Strata DK40i/DK424 KSU
Modem RS-232
1
Line Z
Standard 
Telephone
RSTU2
PSTU
RDSU
RSTS
(Port 009)
4307 
						

							Peripheral Installation
PC/Data Communications Interface Units
10-50Strata DK I&M    5/99
EIA Interface Leads (Signals)
Both DIUs operate with 10 standard EIA RS-232 interface leads (signals) on which signaling data 
is transmitted and received. RPCIs and DIUs connect to serial data devices with standard RS-232 
cables, available from telephone supply stores (see Figures 10-24~10-29 and 10-31). The RPCI-
DI/PDIU-DI/PDIU-DS requires 10 signals for some applications, but can function with eight using 
modular cords and connectors with RJ45/DB25 adapters for other applications. If uncertain which 
signals are necessary for an application, all 10 should be connected. 
See Figure 10-33, “RPCI-DI, PDIU-DI, PDIU-DS SW1 DIP Switch Information” for more 
information.
Important!
©The RPCI-DI and PDIU-DI is always a DCE device; the PDIU-DS may be a DTE or DCE, 
depending on how its internal jumpers (1~9) are configured. 
©In the descriptions below, when a signal is ON, its potential is about seven volts positive 
relative to signal ground (pin 7); when a signal is OFF, it is about 7 volts negative relative to 
the signal ground (pin 7).
Frame Ground (FG, Pin 1)
The FG signal (EIA circuit AA) is a protective or safety ground which is bonded to the PDIU-DI/
PDIU-DS PCB. If required by local codes, the FG should be connected to external ground.
Signal Ground (SG, Pin 7)
The SG signal (EIA circuit AB) establishes the common ground reference for all other PDIU and 
data device signals and must be wired for all applications. 
Transmit Data (TD, Pin 2)
DTE devices transmit and DCE devices receive data on the TD lead (EIA circuit BA). Before the 
DTE device can transmit the TD signal, the RTS, CTS, DSR, and DTR signals (all discussed 
below) must be ON. The TD signal is OFF in the idle state. 
Receive Data (RD, Pin 3)
The DCE device transmits data to the DTE device on the RD lead (EIA circuit BB); the DTE 
receives data on the RD.
Request to Send (RTS, Pin 4)
Some DTE devices send an RTS signal (EIA circuit CA) to the DCE device when they are ready to 
transmit data on the TD lead. If the DTE device does not generate the RTS signal, the DIU DIP 
switch SW1-4 should be set ON to inform the RPCI or DIU. Sometimes, the DTE/DCE device 
may use RTS/CTS for Ready/Busy type flow control, in these cases DIP switch SW1-4 should be 
OFF. 
						

							Peripheral Installation
PC/Data Communications Interface Units
Strata DK I&M    5/9910-51
Peripheral Installation
Clear to Send (CTS, Pin 5)
The DCE device sends the CTS signal (EIA circuit CB) which indicates that it is prepared to 
transmit data to the line side. The DCE device sends this signal only when it receives the RTS 
signal from the DTE device. Sometimes, the DTE/DCE device may use RTS/CTS for Ready/Busy 
type flow control; in these cases, DIP switch SW1-4 should be OFF.
Data Set Ready (DSR, Pin 6)
When connected to the communication channel and prepared to exchange control characters to 
initiate data transmission, the DCE device sends the DSR signal (EIA circuit CC) to the DTE 
device. If the PDIU DIP switch SW1-2 is set ON, DSR will be ON continuously; if the switch is 
set OFF, DSR follows DTR (if DSR is ON, DTR is ON, etc.) SW1-2 should be OFF in most cases.
Data Carrier Detect (DCD, Pin 8)
The DCE device sends the DCD signal (DCD, Pin 8) when receiving the carrier signal on the line 
side. Before transmitting or receiving data, most DTE devices require that the DCD be ON. If the 
carrier signal is removed by the remote end or lost due to a fault condition on the line, the DCE 
notifies the DTE device by an OFF condition with the DCD signal. The PDIU DIP switch SW1-2 
is set ON to set the DCD ON continuously. If set OFF, the DCD signal will only be ON when 
connection between two DIUs is established and OFF when a connection is not established. SW1-
2 is set OFF when the DTE/DCE uses the DTR/DSR signals for Ready/Busy flow control.
Data Terminal Ready (DTR, Pin 20)
The DTE device sends the DTR signal (EIA circuit CD) to the DCE device, prompting the DCE 
device to open the communication line. The line is closed and the call disconnected when the DTE 
device quits sending the DTR signal. DTR may be sent any time to indicate that the DTE is ready 
to transmit or receive data. DIP switch SW1-2 should be set OFF in most cases.
Ring Indicator (RI, Pin 22)
The RI signal (EIA circuit CE) is sent by the DCE device to the DTE device. Whenever the DCE 
device receives a ringing signal on the line side, it turns the RI signal ON. If RPCI or DIU DIP 
switch SW1-3 is set ON, the RI signal will be continuously ON if ringing; if the switch is set OFF, 
the RI signal will be one second ON/three seconds OFF when the RPCI or DIU detects ringing 
signal. 
						

							Peripheral Installation
PC/Data Communications Interface Units
10-52Strata DK I&M    5/99
Figure 10-25 RPCI-DI to 25-Pin to 9-Pin COM Port
678 9
2345 167892345 1
1 2 3 4 5 6 7 8
20 22
1 2 3 4 5 6 7 820 22
Pin DesignationsPin Designations
1527
DB9
Pin #
1
2
3
4
5
6
7
8
9Name
DCD
RD
TD
DTR
SG
DSR
RTS
CTS
RIDB25
Pin #
8
3
2
20
7
6
4
5
22
PC modem style (serial) DB25 
to DB9, RS-232 cable. Pin to 
pin connections are 
confiqured as a straight cable, 
not as a null modem cable 
(50 ft max, 24AWG; customer-
supplied). Rear view of asynchronous (serial) 
communication interface connector (DB9) 
of PC or Toshiba Portable.Rear view of RPCI-DI or PDIU-DI DB25, 
RS-232 female connector Personal Computer or 
Toshiba Portable  (DTE)RPCI-DI or PDIU-DI
(Functions like a DCE)
Notes
• Some RS-232 EIA leads may be called by other names by some manufacturers.
• The computer receives data on Pin 2 (RD) and sends data on Pin 3 (TD).
COM Port
Pin #
Name1
DCD2
RD3
TD4
DTR5
SG6
DSR7
RTS8
CTS9
RIPDIU-DI
Pin #
Name1
FG3
RD4
RTS5
CTS6
DSR7
SG8
DCD20
DTR22
RI 2
TD
DB25 Female
Connector
DB25 Male
Connector DB9 Female
Connector
DB9 Male
Connector 
						

							Peripheral Installation
PC/Data Communications Interface Units
Strata DK I&M    5/9910-53
Peripheral Installation
Figure 10-26 RPCI-DI/PDIU/PDIU-DS to 25-Pin to 25-Pin COM Port
1 2 3 4 5 6 7 8
20 22
1 2 3 4 5 6 7 820 2212 3 4 5 6 7820 22
20 22 12 3 4 5 6 78
Personal Computer
or ASCII Terminal
(Functions like a DTE)RPCI-DI or PDIU-DI
(Functions like a DCE)
DB25 Pin Designations DB25 Pin Designations
Rear view of personal computer
or ASCII terminal DB25,
RS-232 connectorDB25 Male
ConnectorRear view of RPCI-DI or 
PDIU-DI DB25, RS-232 
female connectorDB25 Female
Connector
DB25 Male
Connector DB25 Female
Connector
RS-232 Cable
PC modem style (serial) DB25 
to DB25 (M/F) RS-232 cable 
(50 ft max, 24 AWG, customer
-supplied). DB25
Pin #
8
3
2
20
7
6
4
5
22
1 Name
DCD
RD
TD
DTR
SG
DSR
RTS
CTS
RI
FG DB25
Pin #
8
3
2
20
7
6
4
5
22
1 Note   
The PC/ASCII terminal 
receives data on Pin 3 
(RD) and transmits data 
on Pin 2 (TD). 
1528
PDIU-DI
Pin #
Name1
FG3
RD4
RTS5
CTS6
DSR7
SG8
DCD20
DTR22
RI 2
TDPDIU-DI
Pin #
Name1
FG3
RD4
RTS5
CTS6
DSR7
SG8
DCD20
DTR22
RI 2
TD 
						

							Peripheral Installation
PC/Data Communications Interface Units
10-54Strata DK I&M    5/99
Figure 10-27 PDIU-DS to Toshiba Printer, RS-232 Connector/Cable Connections
1 2 3 4 5 6 7 8
20 22
1 2 3 4 5 6 7 820 22
3
RD4
RTS5
CTS6
DSR7
SG8
DCD20
DTR22
RI2
TD
20
20 22
1 2 3 4 6 7 8
5
1 2 3 4 6 7 8
Toshiba Serial Printer
(Functions like a DTE)PDIU-DS 
(Configured in the Connect to DTE Mode: 
P1 ~ P9 = A-B SO PDIU Functions like a DCE)
DB25 Pin Designations
PDIU-DS
Pin #
Name1
FG Printer
Pin #
Name1
FG3
RD4
RTS5
N/C6
DSR7
SG8
DCD20
DTR22
RI 2
TD
Rear view of printer
or ASCII terminal DB25,
RS-232 connector.Rear view of PDIU-DI DB25, 
RS-232 female connectorDB25 Female
Connector DB25 Female
ConnectorDB25 Pin Designations
DB25 Male
Connector DB25 Male
Connector
DB25
Pin #
8
3
2
20
7
6
4
N/C
N/C
1Name
DCD
RD
TD
DTR
SG
DSR
RTS
CTS
RI
FGDB25
Pin #
8
3
2
20
7
6
4
5
22
1RS-232 Cable
(50 ft max, 24 AWG;
customer supplied). Notes
• The printer receives data on Pin 3 
(RD) and transmits data on Pin 2 
(TD).
• The PDIU-DS should be in the 
connect-to-DTE mode (P1 ~ P9 
are strapped A-B), so that it 
transmits data on Pin 3 (RD) and 
receives data on Pin 2 (TD).
1529 
						

							Peripheral Installation
PC/Data Communications Interface Units
Strata DK I&M    5/9910-55
Peripheral Installation
Figure 10-28 PDIU-DS to Hayes-Type Smart Modem, RS-232 Connector/Cable Connections
1 2 3 4 5 6 7 8 5
20 22
1 2 3 4 5 6 7 820 22
20
20 221 2 3 4 6 7 8
5
1 2 3 4 6 7 8
22
PDIU-DS
Pin#
Name1
FG3
RD4
RTS5
CTS6
DSR7
SG8
DCD20
DTR22
RI2
TDModem
Pin #
Name1
FG3
RD4
RTS5
CTS6
DSR7
SG8
DCD20
DTR22
RI2
TD
(Open)
(Open)
Hayes-Compatible Smart Modem
(Functions like a DCE)PDIU-DS 
(Configured in the Connect to 
Modem Mode, P1 ~ P9 = B-C,
  So it functions like a DTE)
DB25 Female
Connector DB25 Female
Connector
DB25 Male
ConnectorDB25 Male
Connector Rear view of modem DB25 
connectorRear view of PDIU-DS DB25, connector
DB25
Pin #
8
3
2
20
7
6
4
5
22
1Name
DCD
RD
TD
DTR
SG
DSR
RTS
CTS
RI
FGDB25
Pin #
8
3
2
20
7
6
4
5
22
1RS-232 Cable
1530
(50 ft. max., 24 AWG, 
customer-supplied)
For PDIU-DS port:
Program 20: LEDs 01, 04, 17 
ON. All other LEDs OFF. LED 
02 should be set ON after the 
AT commands The following commands 
should be sent to the modem:
ATS0=1: Auto Answer
ATE0: Disable character echo in 
command state
ATQ0: Modem returns result codes
AT&C1: Track presence of data 
carrier
AT&D2: Hang up and assume 
command state with DTR on 
to off transition
Notes
lModem receives data on pin 2 (TD) and transmits data on pin 3 (RD).
lThe PDIU-DS must be in the Connect to Modem mode (P1~P9 strapped B-C) so that it transmits data 
on pin 2 (TD) and receives data on pin 3 (RD).
lFor the above cable modifications, modem AT commands, and Program 20 settings are required for 
proper call release  when modems disconnect. With this configuration, the PDIU-DS “READY” light 
will not light until modems at both ends establish communication (DCD is detected)
lSee “PDIU-DS to Modem Installation”, paragraph 3 for more details. 
						

							Peripheral Installation
PC/Data Communications Interface Units
10-56Strata DK I&M    5/99
1. See Figure 10-31 for detailed pin-out information of modular cords and adapters.
Notes
lNever use modular cords and adapters when connecting a RPCI-DI/PDIU-DI/PDIU-DS to a modem.
lConnection examples 1 and 2 work when using the RPCI-DI or PDIU-DI to make calls with personal computer applications 
(auto-dialers, printer sharing, outgoing modem calls, etc). If the PC RPCI-DI or PDIU-DI must receive calls, the RI lead is 
normally required; therefore, a standard RS-232 cable must be used (see Figure 10-24 on Page 10-49 and Figure 10-27 on Page 
10-54).
lIn Connection Example 3, PDIU-DS must be in the connect to DTE mode (P1 ~ P9, strapped A-B).
lAll modular cords and adapters are customer-supplied.
Figure 10-30 RPCI-DI/PDIU-DI/PDIU-DS Modular Cable/RJ-45 Adapter Connections
Connection Example 1
IMPORTANT!   Will not function with applications that require the RI signal 
Connection Example 2
IMPORTANT!   Will not function with applications that require the RI signal 
Connection Example 3
Toshiba P321SL or Similar
Standard Type Serial Printer Digital Telephone Personal Computer (PC) or
Toshiba Portable
Type 1 Modular Adapter
1
Type B Modular Cord (Crossed)1
(50 ft max, 24AWG)
Type 2 Modular Adapter
1
Digital TelephonePersonal Computer (PC)
PDIU-DI Base
or
RPCI-DI Base PDIU-DI Base
or
RPCI-DI Base
Type 3 Modular Adapter
1
Type A Modular Cord (Straight)1
(50 ft max, 24AWG)
Type 2 Modular Adapter
1
Stand-Alone DIU
PDIU-DS
Type 2 Modular Adapter
1
Type A Modular Cord1
(50 ft max, 24AWG)
Type 2 Modular Adapter
4333 
						

							Peripheral Installation
PC/Data Communications Interface Units
Strata DK I&M    5/9910-57
Peripheral Installation
Figure 10-31 RPCI-DI/PDIU-DI/PDIU-DS Modular Cords and RJ-45/RS-232 Adapter Pin Connections
6 7 8 92 3 4 51
8 7 6 5 4 3 2 1
2 3 4 5 6 7 8
20
234 5678
20
1
2
3
4
5
6
7
81
2
3
4
5
6
7
8
18
Front
1
2
3
4
5
6
7
88
7
6
5
4
3
2
1
18
Front
18
81
1532
Type 1
RJ45 TO DB9 (Female) Adapter
TYPE 2
RJ45 TO DB25 (Male) Adapter
TYPE 3
RJ45 TO DB25 (Female) Adapter
TYPE A
RJ45 Flat Modular
Cord (Straight)RJ45 Straight Through
RJ45 Cross Pinning
TYPE B
RJ45 Flat Modular
Cord (Crossed)
Modular Cords (50 ft max, 24AWG; customer-supplied)
8
DSR
67
RTS
76
RD
25
DCD
14
TD
32
GND
51
CTS
8N/C
RI
9Lead
Name
8
CTS
57
SG
76
DTR
205
TD
23
RD
32
RTS
41
DSR
6 4
DCD
8N/C
RI
22RJ45
DB25Lead
Name RJ45
DB9
8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1
8
CTS
57
SG
76
DTR
205
TD
23
RD
32
RTS
41
DSR
6 4
DCD
8Lead
Name N/C
RI
22RJ45
DB25
Front
Front 
						

							Peripheral Installation
PC/Data Communications Interface Units
10-58Strata DK I&M    5/99
Notes
lMode select (P1~P9) “A-B” if PDIU-DS is connected to a terminal-type device (DTE).
lMode select (P1~P9) “B-C” if PDIU-DS is connected to a modem-type device (DCE).
lDo not cut the Perception strap when installing a PDIU-DS in Strata DK Systems.
lSee Figure 10-33 for SW1~4 DIP switch options and Figure 10-34, “DK PDIU-DS 
Disassembly/Assembly Diagram” to disassemble/assemble PDIU-DS.
lSome RS-232 leads go by different names depending on the equipment manufacturer.
Figure 10-32 PDIU-DS Jumper Plug Options/RS-232 Connector Information
1234DNTAON
DIUPOWERREADYCONNECT
1 2 3 4 5 6 7 8 9 10 11 12 13
14 15 16 17 18 19 20 21 22 23 24 25P5
P1
P2
P7
P4
P3
P6
P8
P9ABC
A-B     DTE
B-C     MODEM
FG
SG
TD
RD
RTS
CTS
DSR
DTR
DCD
RIP1
P2
P6
P7/P5
P4
P3
P8
P9P1
P2
P6
P7/P5
P4
P3
P8
P9 Frame Ground
Signal Ground
Transmit DATA
Receive DATA
Request to Send
Clear to Send
Data Set Ready
Data Terminal Ready
Data Carrier Detect
Ring Indicator1
7
2
3
4
5
6
20
8
22DTE        
DIU
DTE        
DIU
DTE        
DIU
DTE        
DIU
DTE        
DIU
DTE        
DIU
DTE        
DIU
DTE        
DIUModem          DIU
Modem          DIU
Modem          DIU
Modem          DIU
Modem          DIU
Modem          DIU
Modem          DIU
Modem          DIU
1533
Signal
AbbreviationSignal Direction and Function of P1 ~ P9
PDIU-DS Connected to DTE PDIU-DS Connected to DCE
Function:
A-B
(DTE Mode) Signal Name/
FunctionPDIU-DS
Pin NO.Signal
DirectionFunction:
B-C
(Modem Mode) Signal
Direction
RI
DTRRS-232, DB25
(Female) Connector P1 ~ P9 located on PCB inside
of PDIU-DS Unit (see Notes).Modular jack for 
connecting 1- or 2-pair
to digital circuit PDIU-DS (Rear View)
SW1: See Notes for
Switch Options
CTS
DSR
SG
DCDRTS
RD
TD
FG PDIU-DS (Front View)
Connect LED
Ready LED
Power LED
Perception
See Notes