Black Box ME0006A-10BT, Руководство пользователя

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2-WIRE SHORT-RANGE DSL LINE DRIVER (HDSL) WITH 10BASE-T
Table 6-1. LED descriptions.
LOCAL REMOTE
10BT DSL Status NS ER TM 10BT DSL Status NS ER TM
Power On G* Off F On Off Off G* Off F On Off Off
DSL Link G* G F Off Off Off G* Off F Off Off Off
Link Brk G* Off F Off Off Off G* Off F Off Off Off
Brk + 10s G* Off F On Off Off G* Off F On Off Off
RDL G* G F Off Off On G* Off F Off Off On
RDL + 511 G* Off F Off Off On G* Off F Off Off On
With DTE Connected With DTE Connected
Mark G* G F Off Off Off G* G F Off Off Off
Space G* G F Off Off Off G* G F Off Off Off
Data G* G F Off Off Off G* G F Off Off Off
Link Brk = DSL Link Broken
Brk + 10s = 10 seconds following link break
G = Green
F = Flashing
G* = Green if a valid 10BASE-T connection is detected
6.3 Test Modes
The HDSL Line Driver offers proprietary remote loopback test modes, plus a built-
in V.52 BER test-pattern generator to evaluate the communication status between
units. Activate this test mode by toggling the test mode switch on the front panel of
the unit.
6.3.1 O
VERVIEW
Figure 6-2 shows the major elements used in the loopback and 511 pattern tests
available in the HDSL Line Driver. Each block has several functions. Following
Figure 6-2 are descriptions of the elements during test modes.