Comtest Networks MTAS-192 METALLIC TEST ACCESS SYSTEM User Manual
Page 18

Comtest Networks
CT-IG-MTAS192-2008-v1_8.doc
MTAS-192
12
Installation Guide
June 2006
Figure 13: Split Mode for Testing in Both Directions
Refer to the MTAS User Guide for shelf and TL1 command specifications.
# # #
Facility Side (F)
(Downstream)
AF
Equipment Side (E)
(Upstream)
AE
PSTN
DSLAM
Splitter
MTAU (MTAS-192)
Tip
Tip
Ring
Ring
T
T
R
R
2–Wire Circuit
4-Wire Access
RTU (Test Head)