2
DSX-1 Passthru Option Module
61200.055L1-1C
Chapter 1. Introduction
• Accommodates an additional plug-on (piggyback)
interface such as the Nx56/64
• Includes an elastic store and controlled frame slip
permitting loop timing on the network interface, as
well as on the DSX-1 interface
• Provides timing for the TSU 100/600 as an option
• Displays menu options for easy configuration
• Executes an extensive self test
Inter
faces
The DSX-1 Passthru Option Module has the following
interfaces:
• DSX-1 per ANSI T1.102
• Interface connectors RJ48C and DB15
• Alternate mark inversion (AMI) or B8ZS coding
• ESF or SF (D4) formatting (independent of T1 facility
interface)
• Line length up to 655 feet
• Line loopback (front panel/remote/inband)
DSX-1 Passthru Option Module Specifications
The DSX-1 Passthru Option Module conforms to the
following specifications:
DSX-1 Interface
per ANSI T1.102
Line rate
1.544 Mbps
Capacity
1 to 24 DS0s (can be user config-
ured, contiguous or non-contigu-
ous)
