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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 mus
t
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
p
rovides both transmit and
receive clocks to the DTE connected to it.
DTE1 The data channel
p
rovides the receive clock to
the DTE connected to it while receivin
g
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-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.