Patton electronic 2701/I ユーザーズマニュアル

2

1.1

Compliance ...................................................................................  4

EMC Compliance..........................................................................  4
Safety Compliance: ......................................................................  4
PSTN Regulatory Compliance:.....................................................  4

1.2

CE Notice......................................................................................  5

1.3

Authorized European Representative ...........................................  5

1.4

Service ..........................................................................................  5

1.5

Safety When Working With Electricity ..........................................  6

2.1

Features........................................................................................  7

2.2

Description ....................................................................................  7

3.1

Applications ..................................................................................  9

4.1

DIP Switch Configuration ............................................................  11

Switch SW1 ................................................................................  12

Switch SW-1 through SW1-5 ............................................... 12
SW1-6 and SW1-7 Clock Modes ......................................... 13

Switch SW2 ................................................................................  14

Switch SW2-1 Line Coding: HDB3 (default) ........................ 14
Switch SW2-2: CRC-4 Multiframe  ....................................... 15
Switch SW2-3 Data Inversion .............................................. 15
Switch SW2-4: Remote Digital Loopback Type ................... 15
Switch SW2-5 Front Panel Switches ................................... 16
Switch SW2-6: V.54 Response Disabled (default)  .............. 16

5.1

Connecting to the G.703 Network...............................................  17

Connecting Dual Coaxial Cable (75 ohm) to the G.703 Network  17
Opening the Case.......................................................................  18
Connecting the Twisted Pair (120 ohm) to the G.703 Network ..  18

5.2

Connecting the 10Base-T Ethernet Port to a PC (DTE) .............  19

5.3

Connecting the 10Base-T Ethernet Port to a Hub ......................  19

5.4

Power Connection ......................................................................  20

Universal AC Power (100–240 VAC)..........................................  20
DC Power ...................................................................................  20

6.1

Power-up ....................................................................................  21

6.2

LED Status Monitors ...................................................................  21

6.3

Loop (V.54 & Telco) Diagnostics ................................................  23

Operating Local Loopback (LL) ..................................................  23
Operating Remote Digital Loopback (RL)...................................  24
CSU Loop ...................................................................................  24
Using the V.52 (BER) Test Pattern Generator ...........................  25