Single stand-alone port for E1 and Fractional E1 networks

CT-ETU01A

Provides digital access solution for E1 and Fractional E1 network services termination.
Features user replaceable dataport modules for a number of interface standards; including Ethernet bridge, router, V.35, X.21, RS-530, RS-449, G.703 64Kbps Co-directional and RS-232.
Supports local control and diagnostics via LCD display. Keypad and LED status indicators are located on the front panel as well as via a menu driven RS-232 console port in conjunction with a standard terminal.

Item	Description
Framing	Framed CCS (PCM31) CAS (PCM30) / Unframed CRC4 on/off
Line Code	AMI/ HDB3
LCD display	16×2 character LCD
Bit rate	Backlight N×56K or N×64Kbps, where N=1~31 in CCS or 1~30 in CAS
Relative receive level	0 to -43dB
Pulse	Nominal 2.37V ±10% for 75ohm
Amplitude	Nominal 3.00V ±10% for 120ohm Zero amplitude ±0.1V
Jitter performance	According to ITU-T G.823
Connectors	BNC(unbalanced), RJ-48(balanced)
Clock modes	Clock modes 0-4 Receive, Transmit and Sync
Diagnostics	Local loopback,Digital remote loopback, Test pattern
Indicators	LEDs (Power, TD, RD, Signal loss, Sync loss, Error and test)
Standards	ITU-T G.703/G.704/G.706 & G.732
Power Input	AC: 90-250VAC, DC: 18-72 VCD
Power Consumption	10W
Dimensions	250 × 195 × 45 mm (D × W × H)
Weight	1.5kg
Temperature	0 ~ 50°C (Operating), -1 ~ 70°C (Storage)
Humidity	10 ~ 90% non-condensing
Certification	CE, FCC

Order Code	Description
CT-ETU01A/AC	1U, 19/2", Data port to framed E1 with 100 ~240VAC
CT-ETU01A/DC	1U, 19/2", Data port to framed E1 with -48VDC
CT-ETU/TTU-X21	X.21 interface module

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