Toshiba strata CT Installation & Maintenance Manual page 192

Peripheral Installation
➤
To install the MOH option
1.
2.
3.
4.
H
5.
6.
C
6-4
Connect the external music source to the Strata CT Processor, RCA jack
Figure 6-1).
Rotate the Strata CT processor PCB's volume control (VR1) to adjust MOH volume:
clockwise increases volume; counterclockwise decreases volume. Listen to the
Exchange line on-hold when setting MOH to the proper volume.
If MOH relay control is required, access Program 77-1. Set LED 05 to On to configure
the MOH/Night Transfer Control relay for the MOH function. This feature requires the
installation of a Strata CT Processor, or PIOU, PIOUS, or PEPU PCB.
If using the MOH control feature with a PIOU or PEPU, set PIOU or PEPU jumper plug
P11 to the MAKE or BREAK position as required:
N
MAKE (M) – Shorts the normally open contacts (pins 9 and 34) when MOH is
activated.
N
BREAK (B) – Opens the normally closed contacts (pins 9 and 34) when MOH is
activated.
...or
If using the MOH control feature with a PIOUS, solder PIOUS jumper W2 to the
MAKE or BREAK position as required:
N
MAKE (M) – Shorts the normally open contacts (NHT and NHR) when any
Exchange line is in the hold condition.
N
BREAK (B) – Opens the normally closed contacts (NHT and NHR) when any
Exchange line is in the hold condition.
MOH (Exchange line or intercom hold) is applied from the RCTU through the KSU's
backplane to Exchange lines, electronic, digital, and standard telephones on hold.
MOH is also applied through the Strata CT processor PCB's Page/BGM control to
provide BGM to electronic/digital telephone speakers and external page.
(see
Strata CT I&M Manual October 2000