363-206-305
Shelf Descriptions and Configurations
3-14 
Issue 3 June 2000
Wideband Shelf Plug-Ins
3
Table 3-1 lists the DDM-2000 FiberReach Multiplexer wideband shelf plug-ins. 
NOTE:
28-type or 29-type is required. A maximum of 3 HDSL cards per shelf is 
allowed and cannot be mixed with other low-speed packs. 
!
CAUTION:
In addition to primary lightning protection, an external Lighting and Surge 
Secondary Protection Assembly (ED-8C783-30 or equivalent) is required for 
circuit packs used in outside plant applications.
Table 3-1. DDM-2000 FiberReach Wideband Shelf Plug-Ins 
Product Code Functional Name Functional 
Designation
BBF1B DS1 Low-Speed Interface DS1 
BBF3/BBF3B  DS1 Performance Monitoring  DS1PM 
BBF6 T1 Extensions T1EXT 
BBF8 (See Note)  HDSL Interface  HDSL 
BBG4 DS3 low-speed interface DS3
BBG4B DS3 low-speed interface DS3
BBG8/BBG8B System Controller SYSCTL 
BBG19 DS3 Interface DS3
22D-U OC-3 IS-3 OLIU with TSI OLIU
22F/22F-U/22F2-U OC-3 OLIU with TSI OLIU
22G-U/22G2-U/22G3-U/22G4-U OC-3 OLIU with TSI OLIU
26G2-U OLIU  OC-1 OLIU with TSI  OLIU 
28G-U
*
 
* Requires Interconnect Cable Assembly (847721271)
OC-3 OLIU with TSI  OLIU 
28G2-U* OC-3 OLIU with TSI OLIU
29G-U* OC-12 OLIU with TSI OLIU
29H-U* OC-12 OLIU with TSI OLIU
177A Retainer
ECC2
†
 
† The user panel is part of the wideband shelf assembly but may also be ordered separately.
User Panel  USPNL