Tektronix RTX130B, Service Manual

Page: 33 / 180

Specifications
RTX130B QAM & VSB RF Signal Generator Service Manual
1-11
Table 1-2: Mainframe (Cont.)
Characteristics Description
Printer port Supports SPP (Standard Parallel Port), EPP (Enhanced Parallel Port ), and ECP (Extended
Capabilities Port) modes.
Connector type D-sub, 25 pin
Pin assignments 1 STROBE 14 AUTOLF
2 D0 15 ERR
3 D1 16 INIT
4 D2 17 SELECT
5 D3 18 GND
6 D4 19 GND
7 D5 20 GND
8 D6 21 GND
9 D7 22 GND
10 ACK 23 GND
11 BUSY 24 GND
12 Paper Empty 25 GND
13 SELECT
Serial interface (Com) RS-232C
Connector type D-sub, 9 pin
Pin assignments 1 DCD 6 DSR
2 RX 7 RTS
3 TX 8 CTS
4 DTR 9 RI
5 GND
IEEE1394B interface
Compliant IEEE1394B--2002
Pin assignments 1 TPB-- 6 VG
2 TPB+ 7 NC
3 TPA-- 8 VP
4 TPA+ 9 TPB (R)
5 TPA (R)
AC line power
Rating Voltage 100 VAC to 240 VAC, CAT II
Voltage Range 90 VAC to 250 VAC
Frequency Range 50 Hz to 60 Hz
Maximum power 180 VA
Maximum current 1.3 A
Main fuse data 5 A Time--delayed, 250 V (not operator replaceable)
2 A Time--delayed, 250 V (not operator replaceable)