User manual

Chapter 1. Introduction
1-2 E&M+ Dual Voice Option Module User Manual 61200105L3-1A
Functional Description
The E&M+ voice module fits into the TSU’s option slot, and, once
installed, the TSU governs the E&M+ voice module’s operation
and control. To configure the E&M+ voice module, use the TSU
front panel, or use ADTRAN’s personal computer (PC) manage-
ment program, T-Watch PRO. (The internal E&M+ voice module
menus are automatically installed when it is plugged into the TSU.)
Features
Features of the E&M+ voice module include the following:
• 64 kbps voice port operation
• Menu configurable Tx and Rx levels (TLPs)
• 2W and 4W E&M signaling as well as 2W and 4W TO
operation
• E-lead originate E&M interface
• Type I, II, and V signaling
• Extensive testing capabilities:
- Rx and Tx signal bit monitoring
- E-lead and M-lead status monitoring
- Integral 1 kHz tone generation sends test tone towards near
or far end
- Manual control of Tx A and B signal bits
- Manual control of E-lead output
- Bidirectional analog loopback
- Loopback control by means of 2713 Hz tone from network
side
• E&M+ plug-on board provides the TSU with four voice ports
in one option slot
• Selectable E-lead force busy for carrier failure
• Full V.34 modem capable (28.8 kbps)