GAI-Tronics 69320-001 Voice Network Adapter (VNA) - Manual (Page 10)

Pub. 42004-681L2A
Model 69320-001 Voice Network Adapter Page: 10 of 14
\\s_eng\gtcproddocs\standard ioms - current release\42004 instr. manuals\42004-681l2a.doc
06/04
For Front Panel DIP switch #1 (SW2) (Line Build 0), Front Panel DIP switch #2 (Line Build 1), and Front
Panel DIP switch #3 (Line Build 2) select the closest matching distance from the following two tables. If
the S3 T1 Interface switch settings are not listed in the table, then select all OPEN for the VNA Line Build
switches.
S3 (XMIT EQUALIZATION) on T1 Interface
0' 75' 150' 225' 300' 375' 450' 525' 600' 675' 750' 825'+
S3-1 - - - X X X - - - X X X
S3-2 - - - - - - X X X X X X
S3-3 - - - X X X - - - X X X
S3-4 - - - - - - X X X X X X
S3-5
X - - X - - X - - X - -
S3-6 - X - - X - - X - - X -
S3-7
- - X - - X - - X - - X
S3-8 - - - - - - - - - - - -
“X” means closed; “-” means open.
Line Build on VNA
Build 0 Build 1 Build 2 Distance
Open Open Open DSX-1 (0 to 133 feet) / 0 dB CSU
Open Open Closed DSX-1 (133 to 266 feet)
Open Closed Open DSX-1 (266 to 399 feet)
Open Closed Closed DSX-1 (399 to 533 feet)
Closed Open Open DSX-1 (533 to 655 feet)
Closed Open Closed -7.5 dB CSU
Closed Closed Open -15 dB CSU
Closed Closed Closed -22.5 dB CSU
Front Panel DIP switch #4 (SW2) (Receive Equalizer Gain Limit) should be set to OPEN.
Front Panel DIP switch #5 (SW2) (Lamp Test) should be set to OPEN.
Front Panel DIP switch #6 (SW2) (Customer Disconnect Enable) should be set to OPEN.
Front Panel DIP switch #7 (SW2) (Local Loop Back) should be set to OPEN.
Front Panel DIP switch #8 (SW2) (Remote Loop Back) should be set to OPEN.