Verilink QUAD/IMUX (880-502392-001) Product Manual - Manual (Page 68)

T1 Configuration Menus
4-16
Verilink QUAD/IMUX User Manual
5 TM—TM stands for Test Mode, it is a lead defined in many synchronous serial
interface protocols which the DCE (IMUX 2160) can use to indicate to the DTE
that the DCE is in a test mode.
In automatic DTE handshake mode TM is on during a test and off when there is
no test.
In manual DTE handshake mode TM is forced off at all times, even during a test,
if this field says NO or forced on at all times, even when there is no test, if this
field says YES.
Lines Equipped This informational field indicates which ports the IMUX has been configured to
use by way of the Q1 and Q2 commands. The ports of the first QUAD 2164
module are listed as one through four and the ports of any second QUAD 2164
module display under the numbers five through eight. An XXXX indicates a selected
port, a blank space indicates that port has not been selected.
Lines Active Shows which lines are currently in use by the IMUX 2160 module. An XXXX is
displayed if the IMUX 2160 module uses a line an equipped port has active Frame
Sync and Clear To Send signals.
Frame Status Shows that the selected IMUX 2160 module has recognized and synchronized
with the IMUX frame structure on the incoming (RX) signal on these lines.
CTS Status Shows that the selected IMUX 2160 module has received (via IMUX Frame
signalling bits) confirmation of frame detection and synchronization by the far-
end IMUX 2160 module on these lines.
CRC Status Shows that a Cyclic Redundancy Check error was detected in one or more of a
group of five IMUX frames on these lines.
Far CRC Status Shows that a Cyclic Redundancy Check error was detected by the far-end IMUX, in
one or more of a group of five IMUX frames on these lines.
X Main Menu—Use this option to return to the Main Menu .
Command Description