Co Line/Digital Telephone Interface Unit (Kcdu); General; Kcdu Configuration - Toshiba Strata DK 16 Installation And Maintenance Manual

CONTROL/INDICATOR/
CONNECTOR
(Figure 5-19)
SMDR/TTY Interface
Connector J3
IMDU Connector P1
IMDU Connector P2
IMDU Connector P3
M/B Make/Break Jumper
W1
M/B Make/Break Jumper
W2
Alarm Sensor N.O./N.C.
W3
CCITT/BELL Jumper
W4*
SMDR Baud Rate
Switch SW1
TTY Baud Rate Switch
SW2
Modem/TTY Switch
SW3
*Most modems in USA require BELL specification: W4 not factory-installed.
13 CO LINE/DIGITAL TELEPHONE
INTERFACE UNIT (KCDU)

13.00 General

13.01 The KCDU, which can only be installed in the
Expansion Unit of DK16 (it will not function in DK24/
56/96), has two loop start CO line circuits and four
digital telephone circuits. The KCDU digital tele-
phone circuits can support all but one of the de-
vices supported by either the PDKU or Base Unit
integrated digital telephone circuits: digital tele-
phones, PDIU-DIs/PDIU-D12s, PDIU-DSs, ADMs,
TABLE 5-G
PIOUS CONTROLS AND INTERFACE CONNECTORS
TYPE OF COMPONENT
Dual modular connector
10-pin connector
9-pin connector
3-pin connector
Wire jumper
Wire jumper
Wire jumper
Wire jumper
Two-position slide switch
Two-position locking push-
button switch
Two-position slide switch
5-31
INSTALLATION-DK 16 KSU & PCB
DESCRIPTION
Interface connector for SMDR printer/
call accounting device and
maintenance terminal/modem.
Interface connector for Remote
Maintenance Modem piggy-back module.
Interface connector for Remote
Maintenance Modem piggy-back module.
Interface connector for Remote
Maintenance Modem piggy-back module.
External Page/Door Lock Control Relay
MAKE or BREAK jumper.
Night/Hold Relay MAKE or BREAK
jumper.
Alarm sensor normally open or normally
closed jumper.
IMDU or external modem operating spec-
ification jumper plug. (BELL = NO W4)
Selects baud rate (300 or 1200 bps) for
SMDR printer or call accounting device.
Selects baud rate (300 or 1200 bps) for
Remote Maintenance Modem piggy-back
module (IMDU) or external TTY jack.
Enables PIOUS for operation with IMDU
modem or TTY jack.
and a DDCB. The KCDU does not support a DDSS
console. One or two KCDU PCBs may be installed
in the Expansion Unit. No other station or CO line
PCB can be installed if the KCDU is installed.
13.02 The KCDU is shown is Figure 5-21, and its
controls, connectors, and indicators are described
in Table 5-H.

13.10 KCDU Configuration

13.11 The KCDU may have to be configured to
control excessive loudness if the system is close to
SECTION 100-816-205
MARCH 1993