Parameter/function reference table – GAI-Tronics MRTI 2000 (No. PL1877A) Microprocessor Radio Telephone Interconnect Installation & Service Manual User Manual
Page 110

Parameter Modification
PL1877A Microprocessor Radio Telephone Interconnect
12/10 104
Parameter/Function Reference Table
Para-
meter
No.
Description
Control Digits
Refer to
Section on
Page:
1
Determines whether RX receiver audio
source is pre-emphasized or flat.
0 = Pre-emphasized
1 = Flat
87
2
Determines whether RX audio input level
is low or high.
See appropriate section.
Beginning 12
3
Determines whether internal carrier detect
or external logic level carrier detect will be
used.
0 = Internal carrier detect
1 = External logic level carrier
detect
85
4
Determines whether the carrier detect
input is active low or high.
0 =Active low
1 =High
85
5
Determines whether internal squelch or
RX audio VOX is used for carrier detect.
0 = Internal squelch
1 = RX audio VOX
85
6
Determines whether or not PL detect input
is required to validate carrier detect.
0 = no PL detect input
required
1 = PL detect input required
Default = 0
85
7
Determines whether PL detect input is
active low or active high.
0 = Active low
1 = Active high
Default = 0
85
9
Determines whether patch is half duplex or
simplex.
0 = Half duplex
1 = Simplex
Default = 1
83
10
Determines whether PTT sense input is
active low or active high.
0 = Active low
1 = High
Default = 0
87
11
Determines whether the access command
is * or #*.
0 = *
1 = #*
Default = 0
91
12
Determines whether the normal release
command is # or ##.
0 = #
1 = ##
Default = 0
92
13
Determines whether the mobile call
origination is disabled or enabled.
0 = Disable
1 = Enable
Default = 1
94
14
Determines whether landline call
origination is disabled or enabled.
0 = Disable
1 = Enable
Default = 1
94
15
Determines whether attendant call
origination is disabled or enabled.
0 = Disable
1 = Enable
Default = 1
94