Verilink 1558D (34-00255) Product Manual - Manual (Page 16)

Installation 2-8 1558D APS CSU/DSU
Figure 2-2 Local 1558D Test Diagram, Path A and Path B
Bantam Patch Cord
Path NET A
SUPV STATUS
A LOCKED B
A
B
ALM LOS LP
A
SELECT
AUTO
PATH
B
STATUS
PATH
RX BRDG
TX BRDG
N
E
T
A
RX BRDG
TX BRDG
N
E
T
B
SD RD TEST
STATUS
PATH
NORM
LOOP
LL RL
PWR
Bantam Patch Cord
Path NET B
SUPV STATUS
A LOCKED B
A
B
ALM LOS LP
A
SELECT
AUTO
PATH
B
STATUS
PATH
RX BRDG
TX BRDG
N
E
T
A
RX BRDG
TX BRDG
N
E
T
B
SD RD TEST
STATUS
PATH
NORM
LOOP
LL RL
PWR
COM BUS NET B NET A
IN OUT
GND N.
O.
COM N.
C.
ALARM
S1 S2 S3 S4 ON
OFF
ON
OFF
V.35
DCE/V.35
DTE/V.35
Data Communications
Speed - 1.536 Mbps
Clocking - DCE
Pattern - QRSS
BERT Test Set
Active Path (A or B)
DTE Port
1558A (near) 1558A (Far)
V.54 Loop
BERT Test Set
V.54 Loop Testing