Issue 3 June 2000
10-1
10
Technical Specifications
10
Overview
10
This section contains the technical specifications for Releases 2.2, 3.0, 3.1, and
4.0 of the DDM-2000 FiberReach Multiplexer.
DDM-2000 FiberReach Multiplexer
Wideband Shelf Specifications
10
External Transmission Interfaces
10
The DDM-2000 FiberReach Multiplexer transmission interfaces adhere to industry
standards as listed in Table 10-1.
Table 10-1. Transmission Interface Standards
Interface Standard Comments
DS1 low-speed CB-119,
ANSI
*
T1.102-1993
TR-499, Iss. 5,
ANSI
T1.403-1989
* Registered trademark of American National Standards Institute, Inc.
B8ZS/AMI option
SF, ESF
DS3 low-speed CB-119,
ANSI
T1.102-1998, TR-499, Iss. 5 VMR, VM, or clear
channel
OC-1/OC-3/
OC-12
ANSI
T1.106/88,
ANSI
T1.105/95,
T1.105.03/94, & T1.105.02/95
GR-253, Iss. 2, GR-496, Iss. 2
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