ADTRAN 1200305L1 system manual Ccitt X.21/V.11 Connector Pinout, M Pinout

ATLAS 550 System Manual				Section 2, Engineering Guidelines
Connector type		CCITT X.21/V.11
System part number		4200754L3
		Table 22. CCITT X.21/V.11 Connector Pinout
PIN	SIGNAL DESCRIPTION		PIN	SIGNAL DESCRIPTION
1	Shield (Ground)		8	Signal Ground
2	Transmit Data (A)		9	Transmit Data (B)
3	Request to Send (A)		10	Request to Send (B)
4	Received Data (A)		11	Received Data (B)
5	Carrier Detect (A)		12	Carrier Detect (B)
6	Transmit/Receive Clock (A)		13	Transmit/Received Clock (B)
7	Ext. Transmit Clock (A)		14	Ext. Transmit Clock (B)
15	Not Used

Octal E&M Option Module (P/N 1200313L1)

Each port of the Octal E&M Option Module has a single 8-pin modular jack. A suitable mating connector is AMP # 2-383021-5. The Octal E&M module is an E-lead originate signaling circuit suitable for connec- tion to an M-lead originate trunk circuit. The pinout is shown in Table 23, and the E&M signaling types are shown in Table 24.

		Table 23. E&M Pinout
PIN	Signal	DESCRIPTION
1	Ring	VF input (4W mode, 600Ω nominal)
		Tip/Ring (2W mode, 600Ω + 2.1 6uF nominal)
2	Tip
3	E	Customer Originate
4	SG	Signal Ground
5	SB	Signal Battery
6	M	Network Originate
7	Tip 1	VF output (4W mode, 600Ω nominal)
8	Ring 1

61200305L1-1F © 2002 ADTRAN, Inc. 41