Comtech EF Data SDM-9000 - Manual (Page 7)

Errata C
Comtech EFData Documentation Update
Subject: Changes to Table 3-2 (Modulator PCB Jumper Settings)
Date: January 23, 2002
Document: SDM-9000 Satellite Modem Installation and Operation Manual,
Rev. 4, dated May 5, 1997
Part Number: MN/SDM9000.EC4
Collating Instructions: Attach this page to page 3-3
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.
Table 3-2. Modulator PCB Jumper Settings
Jumper Position Function
J7 1 to 2
2 to 3 Output forced ON, test mode
Normal, processor control
J9
(EEPROM size select) 1 to 2
2 to 3 27C512 (64K EEPROM)
27C256 (32K EEPROM)
Note: The modulator PCB jumpers in Table 3-2 are factory set.
Filename: T_ERRATA
1