68P80801E30-A 5/1/2002 6-17
Gen 3 Site Controller System Manual Chapter 6 System Testing
T1 Connection Test
T1 Connection Test
The T1 connection test requires an external test set capable of generating a
Quasi Random Signal Sequence (QRSS) bit pattern. The test set must also
have the ability to perform a loop-back test.
T1 Custom Test Cable
A custom interface cable is required to connect the test set to the circuit
selected for testing. Use locally procured parts and the pin-out shown in
Figure 6-1 to assemble this cable.
T1 Sest Setup
The following T1 test procedure uses the TTC Fireberd T1 test set.
1. Connect the 15-pin connector test cable to the T1 test set.
Figure 6-2 shows this connection.
DB-15 MALE
CONNECTOR
RJ-48
MODULAR
PLUG
TO/FROM
T1 TEST
SET
TO/FROM
SURGE
SUPPRESSOR
INPUT
iSC059
031999JNM
1
2
3
4
12
11
9
GROUNDED
SHIELD
1 (ring)
2 (tip)
3 n/u
4 (ring)
5 (tip)
6 n/u
7 gnd
8 gnd
R1
T1
R
T
Figure 6-1 Pin-outs for the T1 test cable
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