Toshiba STRATA DK14 Installation And Maintenance Manual page 565

PDIU-DS (Front View)
DIU
POWER READY CONNECT
Connect LED
Ready LED
Power LED
Perception
See Notes
P1 ~ P9 located on PCB inside
of PDIU-DS Unit (see Notes).
Signal Signal Name/
Abbreviation
FG Frame Ground
SG Signal Ground
TD Transmit DATA
RD Receive DATA
RTS Request to Send
CTS Clear to Send
DSR Data Set Ready
DTR Data Terminal Ready
DCD Data Carrier Detect
RI Ring Indicator
Notes
Mode select (P1~P9) "A-B" if PDIU-DS is connected to a terminal-type device (DTE).
G
Mode select (P1~P9) "B-C" if PDIU-DS is connected to a modem-type device (DCE).
G
Do not cut the Perception strap when installing a PDIU-DS in Strata DK Systems.
G
See Figure 12-32
G
Disassembly/Assembly Diagram"
Some RS-232 leads go by different names depending on the equipment manufacturer.
G
Figure 12-31 PDIU-DS Jumper Plug Options/RS-232 Connector Information
Strata DK I&M 6/00
PDIU-DS Connected to DTE
PDIU-DS Signal
Function
Pin NO. Direction
1
7
2 DTE DIU
3 DTE DIU
4 DTE DIU
5 DTE DIU
6 DTE DIU
20 DTE DIU
8 DTE DIU
22 DTE DIU
for SW1~4 DIP switch options and
to disassemble/assemble PDIU-DS.
PC/Data Communications Interface Units
PDIU-DS (Rear View)
Modular jack for
connecting 1- or 2-pair
to digital circuit
1 2 3 4
DNTA
SW1: See Notes for
Switch Options
CTS
DSR
SG
DCD
13 12 11 10 9 8 7 6 5 4
25 24 23 22 21 20 19 18 17
RI
RS-232, DB25
DTR
(Female) Connector
Signal Direction and Function of P1 ~ P9
PDIU-DS Connected to DCE
Function:
Signal
A-B
(DTE Mode) Direction
P1 Modem DIU
P2 Modem DIU
P6 Modem DIU
P7/P5 Modem DIU
P4 Modem DIU
P3 Modem DIU
P8 Modem DIU
P9 Modem DIU
Figure 12-33, "DK PDIU-DS
Peripheral Installation
RTS
RD
TD
FG
3 2 1
16 15 14
Function:
B-C
(Modem Mode)
P1
P2
P6
P7/P5
P4
P3
P8
P9
1533
12-57