Comtech EF Data SDM-9000 Installation And Operation Manual page 7

Comtech EFData Documentation Update
Subject:
Date:
Document:
Part Number:
Collating Instructions:
Comments:
The following changes provide updated information for Table 3-2. This information will be
incorporated into the next revision.
Change Specifics:
3.2 Modulator
The modulator PCB (AS/3969) is located in the top slot of the modem chassis. The jumper settings are
listed in Table 3-2. Figure 3-2 shows the modulator card and the jumper locations.
J7
J9
(EEPROM size select)
Note: The modulator PCB jumpers in Table 3-2 are factory set.
Filename: T_ERRATA
Errata C
Changes to Table 3-2 (Modulator PCB Jumper Settings)
January 23, 2002
SDM-9000 Satellite Modem Installation and Operation Manual,
Rev. 4, dated May 5, 1997
MN/SDM9000.EC4
Attach this page to page 3-3
Table 3-2. Modulator PCB Jumper Settings
Jumper Position
1 to 2
2 to 3
1 to 2
2 to 3
1
Function
Output forced ON, test mode
Normal, processor control
27C512 (64K EEPROM)
27C256 (32K EEPROM)