• Optional remote Windows-based GUI management with built-in modem

• Front panel T1 test switches and status LEDs

• Back panel analog channel option, test switches, and status LEDs

• Built-in T1 self-test and telephone line ringing and tone tests

• Terminates 1.536 Mbps (24 channels) of usable bandwidth

• Integrated intelligent CSU: DS1 or DSX-1 signal levels from 0 to –30 dB

• D4 (SF), ESF framing, and SLC-96 framing with TR-08 option

• AMI or B8ZS line coding

• Clock source: Enhanced Stratum 4 (master) or synchronized to T1 line Telcordia™ TR-08 shelf, A, B, C, or D function

(optional)

• FXS 12-channel card: Supports CLASS features; provides loop-start, ground-start, E&M signaling conversion and calling party disconnect

• BRFXS/DPO 12-channel card: Supports CLASS features; operates as a Battery Reversal FXS loop-start card (BRFXS) or a Dial Pulse Origination (DPO) card

FXO/DPT 12-channel card: Supports CLASS features; operates in FXO loop or ground-start signaling or Dial Pulse Terminate (DPT) signaling; E&M signaling conversion and calling party disconnect

• 4 FXO + 8 FXS modular voice card: Supports 4 FXO/DPT circuits and 8 FXS circuits as described above

• 4-Wire E&M /TO 12-channel card: Supports signaling types I, II, IV or V; uses up to 4 signaling and transmission pairs per channel (E/M, SG/SB, T/R and TI/RI)

• 2-Wire E&M/TO 12-channel card: Supports signaling types I, II, IV or V; uses up to 3 signaling and transmission pairs per channel (E/M, SG/SB and T/R)

• Patented automatic two-wire analog impedance adjustment adapts to various modems and line lengths

• Full compatibility with V.34 (33.6 Kbps) and V.90 (56 Kbps) modems

• Optional alarm dial-out notification over integrated modem (remote management option)

• External alarm contact for visible or audible alarms

• –48 VDC @ 1A input from battery source

• Optional 115 VAC/75 W power converter

• Optional 220 VAC/50 Hz to –48 VDC converter module for international applications

• Solid-state fuseless overvoltage and over-current protection

• FCC Part 68: CS-03 listed — telephone line interfaces

• FCC Part 15: Class A Radiated Emissions Control

• NRTL safety listed: UL 1459, CSA

• National Electrical Code 1996 safety requirements

• Dimensions:

- 1.75 in. (H) x 17 in. (W) x 17.75 in. (D)

- 4.45 cm (H) x 43.18 cm (W) x 45.09 cm (D)

• Weight: 14.5 lb. (6.6 kg) fully loaded

• Rackmount: 19 in. (48.26 cm) or 23 in. (58.42 cm)

• Twenty-four Access Bank Is can be mounted in a standard 7 ft. (2.13 m), 23 in. (58.42 cm) equipment rack

• Optional Trimount bracket to wall mount 3 Access Banks and power converters

• Normal operating temperature: 32° to 122°F (0° to 50°C)

• Solid-state over-temperature protection

• Relative humidity (non-condensing) range: 0% to 95%

• Optional Customer Premises Equipment Battery

Backup unit (120 VAC to –48 VDC power) for up to eight hours of uninterrupted power protection

• Flush wall mount, desktop or 19 in. rack mount (multi-function brackets included)

• Optional tri-mount bracket for wall mounting of three Access Banks and power converters