Harris ACS-163, Installation & Operation Manual

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ACS-160 Series & STL-160 Series T1 Multiplexer Installation & Operation 3 – Installation & Wiring
Version 2.11, August 2011
3-14 Harris Corporation
Intraplex Products
Table 3-10 lists the pin assignments for the T1 I/O (DB-15) connector for the MA-217B module
adapter.
Table 3-10. T1 I/O Connector Pin Assignments on MA-217B
Connector
(DB-15) Pins Label Description
1 (Tip) and 9
(Ring) T1 (Tip)
R1 (Ring) T1 Out. The balanced T1 output of the corresponding CM-5RB
module.
3 (Tip) and
11 (Ring) T1 (Tip)
R1 (Ring) T1 In. The balanced T1 input of the corresponding CM-5RB
module.
2, 4, 8 & 10 T1 signal grounds. These pins may be used to provide signal
ground to an external DCE such as a T1 CSU.
All other pins Not used
Figure 3-13 shows the normal connections between the T1 I/O connector on an MA-215, MA-235-1, or
MA-235-2 module adapter and the T1 I/O connector on a channel service unit (CSU).
Figure 3-13. T1 Circuit between MA-215, MA-235-1, or MA-235-2 and CSU
Figure 3-14 shows the normal connections between the T1 I/O connector on an MA-217B and the T1
I/O connector on a channel service unit (CSU).
Figure 3-14. T1 Circuit Connection between MA-217B and CSU
Warning! The multiplexer and the CSU must both be set to use the same T1 frame format (ESF or
SF) and line coding (B8ZS or AMI).