4-8
Issue 9 October 1998
363-206-204
Powering, Verification, and Circuit Pack Installation
3. Place, but do not insert into the shelf connector [fully install], the SYSCTL
circuit pack into the shelf.
BBG7 (OHCTL) Circuit Pack
The BBG7 circuit pack (Releases 6 and 7) has two option switches, S1 and S2.
1. Switch S1 sets the network element number of the shelf. The network ele-
ment number and the site ID form a unique address for a shelf at a site.
Determine the network element number from system engineering informa-
tion and set S1 as shown in Figure 4-9.
2. For use in Releases 6 and 7 the switch should be set as shown in Figure 4-
9. Switch S2 is used to control the identification of the DCC for open sys-
tems interconnection (OSI) interworking.
3. Place, but do not insert into the shelf connector [fully install], the BBG7 cir-
cuit pack in the shelf.
BBG9 (OHCTL) Circuit Pack
1. The OHCTL (BBG9) (Releases 8, 9, 11 and 13) has no option switches. All
options are exercised through software commands.
2. Place, but do not insert into the shelf connector [fully install], the SYSCTL
circuit pack into the shelf.
BBG10 (OHCTL) Circuit Pack
1. The BBG10 is for use with the Megastar system. It is used in place of the
BBG9 OHCTL.
2. The OHCTL (BBG10) (Releases 8, 9, 11 and 13) has no option switches
but does have a jumper to select between E1-Only or Multiplexed order
wire capability.
3. Place, but do not insert into the shelf connector [fully install], the SYSCTL
circuit pack into the shelf.
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