Service Codes
Issue 4 May 2002
1-23
555-233-123
Peak Noise Level
Echo Path Delay
Service Codes
Service codes (for the United States only) are issued by the Federal
Communications Commission (FCC) to equipment manufacturers and registrants.
These codes denote the type of registered terminal equipment and the protective
characteristics of the premises wiring of the terminal equipment ports.
Private line service codes are as follows:
■
7.0Y — Totally protected private communications (microwave) systems
■
7.0Z — Partially protected private communications (microwave) systems
■
8.0X — Port for ancillary equipment
■
9.0F — Fully protected terminal equipment
■
9.0P — Partially protected terminal equipment
■
9.0N — Unprotected terminal equipment
■
9.0Y — Totally protected terminal equipment
The product line service code is 9.0F indicating it is terminal equipment with fully
protected premises wire at the private line ports.
DCP or BRI phones only
decibels above reference noise with C-filter)
Analog to analog
20 dBrnC
Analog to digital
19 dBrnC
Digital to analog
13 dBrnC
DCP or BRI phones only
Analog port to analog port
<
3 ms
Digital interface port to digital interface port
< 2 ms
Summary of Contents for Definity SI
Page 1: ...0DLQWHQDQFH IRU YD D 1 7 6HUYHU 6 Volumes 1 2 and 3 555 233 123 Issue 4 May 2002...
Page 62: ...Maintenance Architecture 555 233 123 1 26 Issue 4 May 2002...
Page 92: ...Management Terminals 555 233 123 3 26 Issue 4 May 2002...
Page 204: ...Routine Maintenance Procedures 555 233 123 5 100 Issue 4 May 2002...
Page 250: ...LED Interpretation 555 233 123 7 10 Issue 4 May 2002...
Page 2804: ...Maintenance Object Repair Procedures 555 233 123 10 2018 Issue 4 May 2002...