Transition Networks C4TEF10XX-10X Switch Set #2 - Serial Options, 5, 6, 7, 8 - Loop-Back Settings

S4TEF10xx-10x

Installation -- Continued

Switch Set #1 - T1/E1 Options

5, 6, 7, 8 - Loop-Back Settings

The loop-back setting is used for installation and network debugging procedures. Each of the T1/E1 ports can be individually set for loop-back mode:

• Switch 5 controls T1/E1 port 1	• Switch 6 controls T1/E1 port 2
• Switch 7 controls T1/E1 port 3	• Switch 8 controls T1/E1 port 4

When the loop-back switch for a particular T1/E1 port is enabled, the port loops the signal from the receive port back to the transmit port. The loop-back test scenarios are described in detail on page 16.

5 6

up up

Disable Loop-Back on T1/E1 port 1 Disable Loop-Back on T1/E1 port 2

down down

Enable Loop-Back on T1/E1 port 1	Enable Loop Back on T1/E1 port 2
7	8

Installation -- Continued

Switch Set #2 - Serial Options

1, 2, 3 - Serial Connection Speed Line Settings

Switches 1, 2, and 3 on switch set #2 are used to set the serial connection speed.

1	2	3	1	2	3
1200 baud			19200 baud
2400 baud			38400 baud
4800 baud			57600 baud
9600 baud			115200 baud

up up

Disable Loop-Back on T1/E1 port 3 Disable Loop-Back on T1/E1 port 4

down down

Enable Loop-Back on T1/E1 port 3 Enable Loop-Back on T1/E1 port 4

4. Enable / Disable Parity

When parity is enabled, an additional bit is added to the 8-bit signal to identify whether the signal is sent successfully. Use switch 5 to send odd or even signal parity.

up - Disable parity.

down - Enable parity.

4

up

Disable Parity

down

Enable Parity

9 - Transmit AIS

up - Enables the transmit AIS (Alarm Indication Signal) on loss of the carrier signal. This function is un-framed and applies to ALL channels, both copper and fiber.

down - Disables the transmit AIS function.

9

up

Enable

down

Disable

	5
5. Parity Select	up
up - Select odd serial parity.	Odd Serial Parity
down - Select even serial parity.	down
This switch is inactive if switch 4 is (up).	Even Serial Parity

10 - RS-232 Port Mode

up - Data port mode (normal operation). Transmits data to a desk top computer or other data collection device

down - Local (auxiliary) management mode. See the SNMP section (page 11) for the commands that are supported via the RS-232 connector.

10

up

Data port mode

down

Local management mode

4 24-Hour Technical Support: 1-800-260-1312International: 00-1-952-941-7600 techsupport@transition.com -- Click the “Transition Now” link for a live Web chat. 5