Lucent Technologies 555-233-115 User Manual
DEFINITY Enterprise Communications Server Release 8.2
Upgrades and Additions for R8r
Upgrades and Additions for R8r
555-233-115
Issue 1
April 2000
Adding or Removing Cabinet Hardware
6-142
Installing an Integrated Channel Service Unit (ICSU) Module
6
Installing an Integrated Channel
Service Unit (ICSU) Module
Service Unit (ICSU) Module
The integrated channel service unit (ICSU) is a combination of a 120A CSU
module integrated with a DS1 circuit pack. Use this device with the 700A DS1
loopback jack when testing the DS1 span.
module integrated with a DS1 circuit pack. Use this device with the 700A DS1
loopback jack when testing the DS1 span.
Checking for required components
The integrated channel service unit (ICSU) package contains:
■
120A CSU module
■
Cable H600-383
4-pair modular cord
Group 2, 50-Foot (15.2 m) cable (standard)
Group 2, 50-Foot (15.2 m) cable (standard)
■
Cord DW8A-DE
4-pair modular cord to alarm contacts
■
DS1 circuit pack
The basic ICSU requires a TN474E or TN777D or later suffix. The
enhanced integrated channel service unit requires a TN474F or TN777E or
later suffix.
enhanced integrated channel service unit requires a TN474F or TN777E or
later suffix.
Installing the 120A CSU
See