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ASM-20 Installation and Operation Manual Chapter 1 Introduction
Technical Specifications 1-7
1.4 Technical Specifications
Transmission Line
Type
Unloaded twisted pair 19 to 26 AWG
Range
See Table 1-1
Level
Strap-selectable to 0 dBm or -6 dBm
Transmit Impedance
150Ω or LOW (strap selectable)
Receive Impedance
150Ω or HIGH (strap selectable)
Return Loss
Greater than 15 dB
Carrier
Controlled by RTS or constantly ON
Modulation
Conditional diphase European Std. D1
Digital Interface
Type
V.24/RS-232 via 25-pin D-type, (up to 64 kbps
only), female connector
V.35 via 34-pin female connector
X.21 via 15-pin D-type female connector
RS-530 (RS-422) via 25-pin D-type female
connector
V.36 (RS-449) via 37-pin female connector using
mechanical cable adapter provided with the
product
G.703 Codirectional (64 kbps) via terminal block
or RJ-45
Built-in Ethernet bridge via RJ-45 connector or
BNC
Data Rates - selectable
Sync:
19.2, 32, 48, 56, 64, 72, 96, 112, 128, 144, 192,
256 kbps
Async:
19.2, 28.8, 38.4, 57.6, 115.2 kbps
RTS/CTS Delay
Switch selectable to:
- 0 ms
- 9 ms
- 70 ms
Length of Word
8, 9, 10, 11
Stop Bits
1, 1.5, 2