User manual
KRAMER: SIMPLE CREATIVE TECHNOLOGY 
Technical Specifications 
28 
Table 16: Technical Specifications of the TP-121/TP-122/TP-123/TP-124 
TP-121  TP-122  TP-123  TP-124 
INPUTS:  VIDEO: 1 
VGA/UXGA on a 
15-pin HD 
connector 
AUDIO: 1 audio 
ANALOG 3.5mm 
mini jack 
1 RJ-45 LINE IN 
connector 
VIDEO: 1 
VGA/UXGA on a 
15-pin HD 
connector 
AUDIO: 1 audio 
ANALOG 3.5mm 
mini jack 
1 RJ-45 LINE IN 
connector 
OUTPUTS:  1 RJ-45 OUT 
connector 
VIDEO: 1 
VGA/UXGA on a 
15-pin HD 
connector 
AUDIO:  
1 audio S/PDIF 
RCA connector 
1 audio ANALOG 
3.5mm mini jack 
1 RJ-45 OUT 
connector 
VIDEO: 1 
VGA/UXGA on a 15-
pin HD connector 
AUDIO:  
1 audio S/PDIF 
RCA connector 
1 audio ANALOG 
3.5mm mini jack 
MAX. OUTPUT LEVEL:    VIDEO: 1V 
AUDIO: 2.5V 
VIDEO: 1V 
AUDIO: 2.5V 
CONTROLS:    Level: –7.5dB to 
+4.4dB, 
EQ.: 0dB to 
+33dBm (130m) @ 
50MHz 
RS-232 2 PIN 
Terminal Block 
RS-232 2 PIN 
Terminal Block 
Level: –7.5dB to 
+4.4dB, 
EQ.: 0dB to +33dBm 
(130m) @ 50MHz 
BANDWIDTH (-3dB)
1
AUDIO: 20Hz – 20kHz@0.5dB : 
S/N RATIO:  VIDEO: 58dB unweighted, 68.3dB @5MHz weighted 
AUDIO: <–80dB 
TOTAL GAIN:  AUDIO: Analog/analog: 0dB; Analog/SPDIF: –12dBFS 
COUPLING:  AC 
TND+N:  AUDIO: <0.01% 
POWER SOURCE:  12V DC 130mA (TP-121) 
12V DC 190mA (TP-122) 
12V DC 540mA (TP-121/TP-122 pair 
when powered from TP-121 via Power 
Connect) 
12V DC 390mA (TP-121/TP-122 pair 
when powered from TP-122 via Power 
Connect) 
12V DC 130mA (TP-123) 
12V DC 200mA (TP-124) 
12V DC 550mA (TP-123/TP-124 pair 
when powered from TP-123 via Power 
Connect) 
12V DC 390mA (TP-123/TP-124 pair 
when powered from TP-124 via Power 
Connect) 
DIMENSIONS:  12.1cm x 7.18cm x 2.42cm (4.76" x 2.83" x 0.95") W, D, H 
WEIGHT:  0.3kg (0.67lbs) approx. 
ACCESSORIES:  Power supply 
OPTIONS:  19” rack mount 
1 For the Transmitter/Receiver pair 










