Nortel Enterprise 1000 Reference Manual page 222

Page 222 of 236
Figure 52
Traditional OPS application configuration
Local CO
Public
Network
553-3023-211 Standard 1.00 June 2001
Analog line cards
The traditional OPS scenario configuration is shown in Figure 52.
Succession CSE 1000
CO trunk
card port
0-3.5 dB
Non-switched
through connections
Note: Do not confuse OPS service with Off-Premise Extension (OPX)
service. OPX service is the provision of an extension to a main subscriber
loop bridged onto the loop at the serving CO or PBX. Do not confuse
CLS OPS (assigned in the analog (500/2500-type) telephone
administration program LD 10) with OPX, which denotes Off-Premise
Extension service.
OPS analog
line card port
4.5 dB maximum
Distant CO
7.0 dB total maximum
553-CSE8670