Specification |
ANSI T1.102, T1.403 |
Framing |
D4, ESF |
Insertion and extraction |
ABCD bits |
Line code |
AMI |
Zero bits |
Selectable B8ZS, jammed bit (ZCS) or no zero code suppression |
Alarm signal capabilities |
Yellow and red |
Counts |
Bipolar violation, F(t) error, and CRC error |
Robbed bit |
Selectable on a per-trunk basis |
Loopback |
Per channel and overall under software control. Automatic remote loopback with CSU option. |
Interfaces |
Four trunks: Two Dialogic® MD1 RJ-45 interfaces, each with two trunks |