Internal Music-On-Hold; External Music Source; Protective Earth - Telstra Commander E105 Installation And Maintenance Manual

Internal Music-On-Hold

External Music Source

Protective Earth

Internal music-on-hold is a standard feature of the Commander E105/
the customer.
To disable internal music-on-hold:
.
Locate and remove or park jumper links 53 (line 1) and 54 (line
2) on the HRDB-E board in the master keystation. Refer to
Illustration 31- Program - Internal, External, and No
Music-On-Hold, page 5-9.
When the customer requires external music-on-hold orbackground
music, ensure that you install the OFB-E in the PTU to provide the
external music source interface.
To connect an external music source:
.
Terminate the external music inputs (via the Telstra approved
isolation unit) to terminals 52 7 and 52 8 in the PTU
.
Locate jumpers 53 (line 1) and 54 (line2) on the HRDB-E in the
Master Keystation
.
Move jumper link 53 from pins 1 and 2 to pins 2 and 3
.
Move jumper link 54 from pins 1 and 2 to pins 2 and 3.
For external music sources and external paging devices,
NOTE:
relay isolation must be in accordance with Telstra
Specification 1364. The device must be:
.
Telstra authorised apparatus only
.
Authorised specifically for use with a Commander
System.
This Commander System no longer requires the mandatory termination
of a Telecommunications Reference Conductor (TRC) for high voltage
surge protection.
In lightning-prone areas, protect the exchange lines at their
NOTE:
point of entry or distribution in accordance with TPH
0265N0 "Lightning Protection at Customers' Premises"
and TPH 02 16 "LSA Plus Terminating System".