|
Interface |
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, red, and blue |
|
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. |
|
Connectors |
Four-trunk variant: Four RJ-48C interfaces Eight-trunk variant: Eight RJ-48C interfaces or one Dialogic® MD1 RJ-21 interface Sixteen-trunk variant: Two Dialogic® MD1 RJ-21 interfaces |