Zhone Technologies IMACS-200 2 E&M, FXS and Alarm input connector, Pair female amphenol connector

Connector Pin-outs System Installation

Table 2-4. V.35 DB25 female connector

Pin	Signal	Source	V.35 (with PRM-1261F cable)
23	External Transmit Clock A
24	Terminal Timing A	Not Used	U
25	Test Mode	DCE	NN

Note: For purposes of connection and function, the IMACS-200 should be considered a DCE.

2.4.2E&M, FXS and Alarm input connector

Table 2-5lists the connector pinouts for the E&M circuits, FXS circuit and the provided alarm input points. For E&M, “R”, “T” and “M” are consider input direction, “R1”, “T1” and “E” are considered output direction, and “SB” and “SG” are considered direction-neutral.

Table 2-5. 25-pair female amphenol connector

Port	Designation	Pin	Port	Designation	Pin
E&M	T-1	26	E&M	T-4	38
Port 1			Port 4
E&M	R-1	1	E&M	R-4	13
Port1			Port4
E&M	T1-1	27	E&M	T1-4	39
Port 1			Port 4
E&M	R1-1	2	E&M	R1-4	14
Port 1			Port 4
E&M	E-1	28	E&M	E-4	40
Port 1			Port 4
E&M	M-1	3	E&M	M-4	15
Port 1			Port 4
E&M	SG-1	29	E&M	SG-4	41
Port 1			Port 4
E&M	SB-1	4	E&M	SB-4	16
Port 1			Port 4
E&M	T-2	30	FXS	T-1	42
Port 2			Port 1
E&M	R-2	5	FXS	R-1	17
Port 2			Port 1

2-8 System Installation