Lucent Technologies 555-661-140 manual 400EM Tie Trunk Module DIP Switches, Simplex Mode

MERLIN LEGEND Communications System Release 6.1	Issue 1
Installation 555-661-140	August 1998
Installing the Control Unit	Page 2-36
Installing the Modules

■E&M Mode

—Type 1 Standard (default factory setting). This setting is used to connect two systems through local telephone company facilities.

—Type 1 Compatible. This setting connects two systems directly (without using local telephone company facilities).

■Simplex Mode

—Type 5. This setting is used on 4-wire (2-pair) circuits.

400EM (Tie Trunk) Module DIP Switches

During installation of 400EM (Tie Trunk) modules, refer to Table 2–4 and Table 2–5, and to Figure 2-11 on page 2-38 for the correct DIP switch settings for varying signaling protocols.

Table 2-4. Setting the 400EM (Tie Trunk) Module DIP Switches

	Ports		DIP		Signaling Type
				1S (Default)
(as numbered in			Switch	and 1C		1C and 1S	5
Figure 2-11)			Position	Unprotected		Protected	Simplex
				E&M Mode		E&M Mode	Mode
			1	ON		OFF	OFF or ON
			2	ON		OFF	OFF or ON
2		4	3	OFF		OFF	ON
			4	OFF		OFF	ON
			5	OFF		OFF	ON
			6	ON		OFF	OFF or ON
			7	ON		OFF	OFF or ON
1		3	8	OFF		OFF	ON
			9	OFF		OFF	ON
			10	OFF		OFF	ON