Specifications

Chapter 5 Troubleshooting and Diagnostics Installation and Operation Manual
5-2 Configuration for Diagnostic Tests ASMi-52CD Ver. 1.0
5.2 Configuration for Diagnostic Tests
The ASMi-52CD supports both local analog and remote digital loopbacks as per
ITU V.54 for V.35 and RS-530 interfaces only. The loopback is performed via the
standard pins of the synchronous interface.
 To enable loopback tests:
1. From the Main menu, select Modem Diagnostics.
2. Select the ASMi-52CD slot.
The Modem Diagnostics menu shown in
Figure 5-1 appears.
3. Move the cursor to LOCAL LOOPBACK and/or REMOTE LOOPBACK field by
pressing <Tab> and select ENABLE by typing <f> or <b>, and pressing <Tab>
again.
MODEM DIAGNOSTICS
MODEM NAME:ASMi-52CD
DEFINE MODEM PORT NUMBER : 1
MODEM STATUS : MASTER PERMANENT
SELECT MODEM : MODEM 1 LOCAL
LOOP & BERT : ANA LOOP TIMEOUT(MIN) : N/A
REMOTE DIG ENABLE : N/A LOOP TIMEOUT(0-4095 MIN) : 5 MIN
BERT RESULTS : N/A
LED TEST : OFF
LOCAL LOOPBACK : ENABLE
REMOTE LOOPBACK : ENABLE
REMOTE DIG : N/A
ENABLE TEST FROM REM MODEM : N/A
BERT ERR INJECTION : NO ERR
Figure 5-1. Modem Diagnostic Screen
Bolded rows in Figure 5-1 indicate parameters applicable to ASMi-52CD.
Non-bolded parameters listed on the screen are applicable to other modems
installed in the LRS-24 hub.
The Modem Diagnostics screen fields and the options for each field are explained
in
Table 5-1.