RAD Data comm HCD-E1

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 mus

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

rovides both transmit and

receive clocks to the DTE connected to it.

DTE1 The data channel

rovides the receive clock to

the DTE connected to it while receivin

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<CR>. HCD-E1displays the first line of the time slot map of the channel currently beingconfigured. 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 thetime slot manually. To do this, proceed as follows:4. Use the spacebar to move between time slots. For each time slot, selectbetween DATA (time slot allocated to the channel) and NC (notconnected) by pressing F or B.