Product Description
Adtran DS3 Network Interface Unit 1213075L2
The Adtran 1213075L2 is a network interface unit that provides a demarcation and loopback point for DS3 circuits. The NIU3 PM can be deployed as a single unit or in two different shelf configurations with up to 12 units.
Adtran 1213075L2 Features:
- DS3 C-Bit and M13 framing or unframed
- Bypass relays ensure virtually uninterrupted data transmission during card failure, removal, or power loss
- BNC network and customer connections
- Loopback in response to FEAC and in-band M13 codes
- Midsize flush mounted jacks for nonintrusive monitoring in both network and customer directions
- Recessed front panel pushbutton loopback control
- Performance and status information reports via DS3 network performance report messaging (NPRM)
- 50-character scratch pad
- RS-232 craft interface
- 20, 60, 120-minute, and 24 hour test time out
- 24 VDC or 48 VDC power for standalone or shelf enclosures
- 120 VAC independent power options
- Dual power feeds in shelf configuration
- Internal test pattern generation/detection
- Performance history displays for intervals of 15 minutes, 60 minutes, 24 hours, and 30 days
- Customer transmit level setting
- Comprehensive troubleshooting screens including receive level and frequency offset warnings
Each Adtran DS3 Includes:
- (1) 1213075L2
- 1212073L1
- 1175043L3 Power Supply
- 1 Year Warranty
