Cabletron Systems CyberSWITCH CSX500 Specifications download pdf (Page 97)

Wide Area - 1 and 2 Configuration Windows

QuickSET Configuration Guide 81

Sync Clock Speed — Displays your conﬁgured receive clock speed. The default setting for this

ﬁeld is 64000 bits per second. Select the down arrow button to make your selection from the list of

clock speeds (if it is not listed, type the value in).

Sync Flow Control — Displays the source of the Clear To Send (CTS) and the Force Data Set

Ready (DSR) signals.

The CTS signal is an input to the device. The device can either use or ignore the CTS signal.

Clicking on the box indicates that the device ignores the CTS signal from an external DCE (Data

Communications Equipment) and forces the signal high. The off setting indicates that the CTS

signal is received from an external DCE. The default setting is off. The DSR signal is an input to

the device. Clicking on the box indicates that DSR signal is internally forced high. The off setting

indicates that the DSR signal is received from an external DCE. The default setting is off.

Protocol — T.he Protocol panel lets you select one of four protocols: Point-to-Point, HDLC

(High ‘Level Data Link Control), Frame Relay Point-to-Point, Frame Relay Point-to-Multipoint.

High Level Data Link Control lets you select either Full or Fractional mode for all or half of the

time slots (for a single interface number and alias). Point-to-Point protocol lets you select an

interface number for each time slot. Frame Relay Point-to-Multipoint allows only one interface

number and alias, but allows multiple DLCIs. Frame Relay Point-to-Point allows multiple

interface numbers, aliases, and DLCIs.

Link Management Protocol — If Frame Relay is the selected protocol, this ﬁeld displays Q.933

Annex A, T1.617 Annex D, and T1.617 Annex D 1994. The default for Frame Relay is T1.617

Annex D. This ﬁeld is grayed out and not used for PPP.

DLCI Setup Button — The DLCI Setup button displays the DLCIs window shown in

Figure 88. The DLCIs window shows a list of Interface Numbers, Aliases, and DLCIs (Data Link

Connection Identiﬁers). Use the Add button and the Add DLCI window (Figure 89) to make

entries to this table. Use the Delete button to delete the entry highlighted. Click Done when you

have ﬁnished.

RS422 RS530 Alt A RS530 Alt A 9380125

RS422 RS530A Alt A RS530A Alt A 9380127

Table 5 Sync Port Types

Sync Port Type

Interface

Type

Cable Type

Cabletron

Part Number

1 2 ... 92 93 94 95 96 97 98 99 100 101 102 ... 163 164

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Cabletron Systems CyberSWITCH CSX500 Specifications Page 97