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RAD Data comm HCD-E1 User Manual

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HCD-E1 Installation & Operation Manual

Chapter 4 - Control from the Supervisory Port

11/01/00 19:23

HCD-E1 Command Set Description

4-21

Designation Function

Values

START_TS

Selects the starting time slot for SEQ
or ALT time slot allocation

Any number in the range of 0 to 31, consistent with the
desired number of user time slots. The sum of the
START_TS and of the SPEED divided by MULTIPLIER must
not exceed 32.

Default: N/A

CTS

Selects the state of the CTS line in
the data channel.
For a channel with Ethernet
interface, this field always shows
N/A, and cannot be changed

ON

CTS continuously on

=RTS CTS line follows the RTS line
N/A

Not applicable

Default: ON

FIFO_SIZE

Selects the FIFO buffer size of the
data channel. This parameter is
used in the DTE2 mode. In the
other modes, HCD-E1 sets the
buffer size automatically. The
AUTO values are listed in Table 1-1.

AUTO

Automatic size selection.

32, 60, 104,144 Buffer size in bits (corresponds to

FIFO lengths of ±16, ±30, ±52, and

±72 bits).

Default:

AUTO

CLOCK_
MODE

Selects the clocking mode of the
given data channel.

DCE The data channel provides both transmit and

receive clocks to the DTE connected to it.

DTE1 The data channel provides the receive clock to

the DTE connected to it while receiving the

transmit clock from it.

DTE2 The data channel receives both the transmit and

receive clocks from the DCE connected to it.

Default: DCE

ETHERNET_
MODE

Selects the Ethernet LAN traffic
transfer mode. For a channel with
serial data interface, this field always
shows N/A, and cannot be changed

HALF_DUP Half duplex operation
FULL_DUP Full duplex operation
N/A

Not applicable

Default: HALF_DUP

BRIDGING

Reserved for future use.
To select the Ethernet traffic control
function, use Ethernet bridge DIP
switch SW-1, section 3 (see
Appendix C).

For a channel with serial data interface, this field always
shows N/A.
For a channel with Ethernet interface, this field must be
always set to FILTER, independently of the selected
Ethernet traffic control function.

3. Change the desired parameters (if needed) and press. HCD-E1

displays the first line of the time slot map of the channel currently being
configured. A typical display is shown below:

TS_0

TS_1

TS_2

...

TS_9

NC

DATA

NC

...

NC

If you have selected USER under MAP_TYPE, you will have to select the
time slot manually. To do this, proceed as follows:

4. Use the spacebar to move between time slots. For each time slot, select

between DATA (time slot allocated to the channel) and NC (not
connected) by pressing F or B.