MT9074AP datasheet(67/122 Pages) MITEL

67 / 122 page

Advance Information

MT9074

Bit

Name

Functional Description

TXMSG

Transmit Message Mode. If high,

the data contained in the Transmit

Message Register (address 18H,

page 1) is transmitted in the

corresponding DS1 time slot. If

zero,

the

data

DSTi

transmitted on the corresponding

DS1 time slot.

PCI

Per Channel Inversion. When set

high the data for this channel

sourced from DSTi is inverted

before being transmit onto the

equivalent DS1 channel; the data

received from the incoming DS1

channel

inverted

before

emerges from DSTo.

RTSL

Remote Time Slot Loopback. If

one,

the

corresponding

DS1

receive time slot is looped to the

corresponding DS1 transmit time

slot. This received time slot will

also be present on DSTo. If zero,

the loopback is disabled.

LTSL

Local Time Slot Loopback. If

one, the corresponding transmit

time

slot

looped

the

corresponding receive time slot.

This transmit time slot will also be

present

the

transmit

DS1

stream. If zero, this loopback is

disabled.

TTST

Transmit Test. If one, a test

signal, either digital milliwatt (when

control bit ADSEQ is one) or

PRBS (Z15-1) (ADSEQ is zero),

will

transmitted

the

corresponding DS1 time slot. More

than

one

time

slot

may

activated at once. If zero, the test

signal will not be connected to the

corresponding time slot.

RTST

Receive

Test.

one,

the

corresponding DSTo time slot will

be used for testing. If control bit

ADSEQ is one, a digital milliwatt

signal will be transmitted into the

DSTo channel. If ADSEQ is zero,

the

receive

channel

will

connected to the PRBS (215 - 1)

detector.

Table 75 - Per Time Slot Control Words

(Pages 7 and 8) (T1)

RPSIG

Serial Signaling Enable. If set

low, the transmit signaling buffer

for the equivalent DS1 channel will

be sourced from the ST-BUS

channel on CSTi associated with

it. If set high the transmit signaling

RAM must be programmed via the

microport.

0CC

Clear Channel. When set high no

robbed bit signaling is inserted in

the

equivalent

transmit

DS1

channel. When set low robbed bit

signaling is included in every 6th

channel.

Bit

Name

Functional Description

Table 75 - Per Time Slot Control Words

(Pages 7 and 8) (T1)

MT9074AP Datasheet(PDF) 67 Page - Mitel Networks Corporation

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