About the PT-150C and PR-150C
Local Configuration Parameters
PT/PR-150C Module Installation & Operation Manual
Harris Corporation
Issue 1, October 2000
Intraplex Products
1-10
1.6
Local Configuration Parameters
Table 1-5
Local configuration setting (SW6)
Position
Label
Setting
Description
1
15 KHZ
Up
Selects a 7.5 kHz bandwidth.
Each channel uses one time slot
Down
Selects a 15 kHz bandwidth.
Each channel uses two time slots
2
CH2 ON
Up
Turns off the right channel
Down
Left and right channels turned on
3
CH1_BIT
Up
Selects 16-bit coding, left channel
Down
Selects 15-bit coding, left channel
a
a. Generally, these switches should be kept in the 16-bit settings. The 15-bit mode is used only in three special cases:
• To maintain ones-density when the cards are used in a T1 multiplexer on a circuit that has AMI line coding
• To provide a “robbable” bit for Payload Plus 0 framing when the cards are used in an Intraplex Variable Rate Multi-
plexer. Also used in self-framing mode
4
CH2_BIT
Up
Selects 16-bit coding, right channel
Down
Selects 15-bit coding, right channel
a
5
SCM
Up
Disabled
Down
Engages scrambler, maintaining the ones density in the
audio data stream
6
TERM
Up
Sets the card to transmit (PT-150C) or receive
(PR-150C) through the DI/B port in a Drop/Insert
multiplexer. Do not use this setting in a Terminal
multiplexer. See Section 5.3.4,
Drop and Insert
Operation
, on page 5-8
Down
Sets the card to transmit (PT-150C) or receive
(PR-150C) through the DI/A port in a Drop/Insert
multiplexer. Required setting in a Terminal multiplexer
7
REMOTE
Up
Card is controlled using front-panel switches
Down
Card is controlled through rear-panel REMOTE port
8
SRVC OFF
Up
Turn service on (enable module)
Down
Turn service off (disable module)
