beautypg.com

Figure 4-5. configuration interface menu – Comtech EF Data SDM-9000 User Manual

Page 88

background image

Operation

SDM-9000 Satellite Modem

4–14

Rev. 4

SDM-9000 "TYPE"

VER: 6.1.1

FUNCTION SELECT

CONFIGURATION

CONFIGURATION

INTERFACE

TX CLOCK PHASE

EXT-REF FREQ

BUFFER CLOCK

BUFFER SIZE

BUFFER CENTER

RX CLOCK PHASE

NORMAL

INVERT

ECL, PECL, or MIL-STD-188

interface only.

1544.000 to 51840.000 kHz
Steps of 8 kHz or at data
rate if data rate is over
20000.0 kbit/s.

RX (SATELLITE)

INTERNAL CLOCK

EXT CLOCK

TX TERRESTRIAL

Only available when buffer

installed.

2 to 32 ms (steps of 2 ms)
0 (bypass)
Only available when buffer
installed.

YES

NO

Only available when buffer

installed.

NORMAL

INVERT

ECL, PECL, or MIL-STD-188

interface only.

B-BAND LOOPBACK

ON

OFF

INTERFC

LOOPBACK

ON

OFF

ACCESS TO

SUBMENU

CONDITIONAL OR

OPTION-DEPENDENT

Parameter Information

Key:

LOOP TIMING

ON

OFF

ECL, PECL, or MIL-STD-188

interface only.

TX CODING

FORMAT

AMI

B3ZS

HDB3

Only available when G.703
interface installed.

RX CODING

FORMAT

AMI

B3ZS

HDB3

Only available when G.703
interface installed.

SCRAMBLER

ON

OFF

DESCRAMBLER

ON

OFF

TX DATA FAULT

NONE

AIS

DATA

RX DATA FAULT

NONE

AIS

DATA

TX 2047 PATTERN

ON

OFF

RX 2047 PATTERN

ON

OFF

SERVICE CHANNEL

ADJUST

CHANNEL: TX-1 -5 dBm
CHANNEL: TX-2 -5 dBm

CHANNEL: RX-1 -5 dBm
CHANNEL: RX-2 -5 dBm

Level = +10 to -20 dBm.

IDR overhead only.

Figure 4-5. Configuration Interface Menu